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From Jamie Johnson <jej2...@gmail.com>
Subject Re: Solr 4.2 Cloud Replication Replica has higher version than Master?
Date Thu, 04 Apr 2013 02:17:18 GMT
sorry that should say none of the _* files were present, not one....


On Wed, Apr 3, 2013 at 10:16 PM, Jamie Johnson <jej2003@gmail.com> wrote:

> I have since removed the files but when I had looked there was an index
> directory, the only files I remember being there were the segments, one of
> the _* files were present.  I'll watch it to see if it happens again but it
> happened on 2 of the shards while heavy indexing.
>
>
> On Wed, Apr 3, 2013 at 10:13 PM, Mark Miller <markrmiller@gmail.com>wrote:
>
>> Is that file still there when you look? Not being able to find an index
>> file is not a common error I've seen recently.
>>
>> Do those replicas have an index directory or when you look on disk, is it
>> an index.timestamp directory?
>>
>> - Mark
>>
>> On Apr 3, 2013, at 10:01 PM, Jamie Johnson <jej2003@gmail.com> wrote:
>>
>> > so something is still not right.  Things were going ok, but I'm seeing
>> this
>> > in the logs of several of the replicas
>> >
>> > SEVERE: Unable to create core: dsc-shard3-core1
>> > org.apache.solr.common.SolrException: Error opening new searcher
>> >        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:822)
>> >        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:618)
>> >        at
>> > org.apache.solr.core.CoreContainer.createFromZk(CoreContainer.java:967)
>> >        at
>> > org.apache.solr.core.CoreContainer.create(CoreContainer.java:1049)
>> >        at
>> org.apache.solr.core.CoreContainer$3.call(CoreContainer.java:634)
>> >        at
>> org.apache.solr.core.CoreContainer$3.call(CoreContainer.java:629)
>> >        at
>> > java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>> >        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>> >        at
>> > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
>> >        at
>> > java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>> >        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>> >        at
>> >
>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>> >        at
>> >
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>> >        at java.lang.Thread.run(Thread.java:662)
>> > Caused by: org.apache.solr.common.SolrException: Error opening new
>> searcher
>> >        at
>> org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:1435)
>> >        at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:1547)
>> >        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:797)
>> >        ... 13 more
>> > Caused by: org.apache.solr.common.SolrException: Error opening Reader
>> >        at
>> >
>> org.apache.solr.search.SolrIndexSearcher.getReader(SolrIndexSearcher.java:172)
>> >        at
>> >
>> org.apache.solr.search.SolrIndexSearcher.<init>(SolrIndexSearcher.java:183)
>> >        at
>> >
>> org.apache.solr.search.SolrIndexSearcher.<init>(SolrIndexSearcher.java:179)
>> >        at
>> org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:1411)
>> >        ... 15 more
>> > Caused by: java.io.FileNotFoundException:
>> > /cce2/solr/data/dsc-shard3-core1/index/_13x.si (No such file or
>> directory)
>> >        at java.io.RandomAccessFile.open(Native Method)
>> >        at java.io.RandomAccessFile.<init>(RandomAccessFile.java:216)
>> >        at
>> > org.apache.lucene.store.MMapDirectory.openInput(MMapDirectory.java:193)
>> >        at
>> >
>> org.apache.lucene.store.NRTCachingDirectory.openInput(NRTCachingDirectory.java:232)
>> >        at
>> >
>> org.apache.lucene.codecs.lucene40.Lucene40SegmentInfoReader.read(Lucene40SegmentInfoReader.java:50)
>> >        at
>> org.apache.lucene.index.SegmentInfos.read(SegmentInfos.java:301)
>> >        at
>> >
>> org.apache.lucene.index.StandardDirectoryReader$1.doBody(StandardDirectoryReader.java:56)
>> >        at
>> >
>> org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:783)
>> >        at
>> >
>> org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:52)
>> >        at
>> > org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:88)
>> >        at
>> >
>> org.apache.solr.core.StandardIndexReaderFactory.newReader(StandardIndexReaderFactory.java:34)
>> >        at
>> >
>> org.apache.solr.search.SolrIndexSearcher.getReader(SolrIndexSearcher.java:169)
>> >        ... 18 more
>> >
>> >
>> >
>> > On Wed, Apr 3, 2013 at 8:54 PM, Jamie Johnson <jej2003@gmail.com>
>> wrote:
>> >
>> >> Thanks I will try that.
>> >>
>> >>
>> >> On Wed, Apr 3, 2013 at 8:28 PM, Mark Miller <markrmiller@gmail.com>
>> wrote:
>> >>
>> >>>
>> >>>
>> >>> On Apr 3, 2013, at 8:17 PM, Jamie Johnson <jej2003@gmail.com> wrote:
>> >>>
>> >>>> I am not using the concurrent low pause garbage collector, I could
>> look
>> >>> at
>> >>>> switching, I'm assuming you're talking about adding
>> >>> -XX:+UseConcMarkSweepGC
>> >>>> correct?
>> >>>
>> >>> Right - if you don't do that, the default is almost always the
>> throughput
>> >>> collector (I've only seen OSX buck this trend when apple handled
>> java).
>> >>> That means stop the world garbage collections, so with larger heaps,
>> that
>> >>> can be a fair amount of time that no threads can run. It's not that
>> great
>> >>> for something as interactive as search generally is anyway, but it's
>> always
>> >>> not that great when added to heavy load and a 15 sec session timeout
>> >>> between solr and zk.
>> >>>
>> >>>
>> >>> The below is odd - a replica node is waiting for the leader to see it
>> as
>> >>> recovering and live - live means it has created an ephemeral node for
>> that
>> >>> Solr corecontainer in zk - it's very strange if that didn't happen,
>> unless
>> >>> this happened during shutdown or something.
>> >>>
>> >>>>
>> >>>> I also just had a shard go down and am seeing this in the log
>> >>>>
>> >>>> SEVERE: org.apache.solr.common.SolrException: I was asked to wait on
>> >>> state
>> >>>> down for 10.38.33.17:7576_solr but I still do not see the requested
>> >>> state.
>> >>>> I see state: recovering live:false
>> >>>>       at
>> >>>>
>> >>>
>> org.apache.solr.handler.admin.CoreAdminHandler.handleWaitForStateAction(CoreAdminHandler.java:890)
>> >>>>       at
>> >>>>
>> >>>
>> org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:186)
>> >>>>       at
>> >>>>
>> >>>
>> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
>> >>>>       at
>> >>>>
>> >>>
>> org.apache.solr.servlet.SolrDispatchFilter.handleAdminRequest(SolrDispatchFilter.java:591)
>> >>>>       at
>> >>>>
>> >>>
>> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
>> >>>>       at
>> >>>>
>> >>>
>> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:141)
>> >>>>       at
>> >>>>
>> >>>
>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307)
>> >>>>       at
>> >>>>
>> >>>
>> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:453)
>> >>>>       at
>> >>>>
>> >>>
>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
>> >>>>       at
>> >>>>
>> >>>
>> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:560)
>> >>>>       at
>> >>>>
>> >>>
>> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
>> >>>>
>> >>>> Nothing other than this in the log jumps out as interesting though.
>> >>>>
>> >>>>
>> >>>> On Wed, Apr 3, 2013 at 7:47 PM, Mark Miller <markrmiller@gmail.com>
>> >>> wrote:
>> >>>>
>> >>>>> This shouldn't be a problem though, if things are working as they
>> are
>> >>>>> supposed to. Another node should simply take over as the overseer
>> and
>> >>>>> continue processing the work queue. It's just best if you configure
>> so
>> >>> that
>> >>>>> session timeouts don't happen unless a node is really down. On the
>> >>> other
>> >>>>> hand, it's nicer to detect that faster. Your tradeoff to make.
>> >>>>>
>> >>>>> - Mark
>> >>>>>
>> >>>>> On Apr 3, 2013, at 7:46 PM, Mark Miller <markrmiller@gmail.com>
>> wrote:
>> >>>>>
>> >>>>>> Yeah. Are you using the concurrent low pause garbage collector?
>> >>>>>>
>> >>>>>> This means the overseer wasn't able to communicate with zk for 15
>> >>>>> seconds - due to load or gc or whatever. If you can't resolve the
>> root
>> >>>>> cause of that, or the load just won't allow for it, next best thing
>> >>> you can
>> >>>>> do is raise it to 30 seconds.
>> >>>>>>
>> >>>>>> - Mark
>> >>>>>>
>> >>>>>> On Apr 3, 2013, at 7:41 PM, Jamie Johnson <jej2003@gmail.com>
>> wrote:
>> >>>>>>
>> >>>>>>> I am occasionally seeing this in the log, is this just a timeout
>> >>> issue?
>> >>>>>>> Should I be increasing the zk client timeout?
>> >>>>>>>
>> >>>>>>> WARNING: Overseer cannot talk to ZK
>> >>>>>>> Apr 3, 2013 11:14:25 PM
>> >>>>>>> org.apache.solr.cloud.DistributedQueue$LatchChildWatcher process
>> >>>>>>> INFO: Watcher fired on path: null state: Expired type None
>> >>>>>>> Apr 3, 2013 11:14:25 PM
>> >>>>> org.apache.solr.cloud.Overseer$ClusterStateUpdater
>> >>>>>>> run
>> >>>>>>> WARNING: Solr cannot talk to ZK, exiting Overseer main queue loop
>> >>>>>>> org.apache.zookeeper.KeeperException$SessionExpiredException:
>> >>>>>>> KeeperErrorCode = Session expired for /overseer/queue
>> >>>>>>>     at
>> >>>>>>>
>> org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
>> >>>>>>>     at
>> >>>>>>>
>> org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
>> >>>>>>>     at
>> >>> org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1468)
>> >>>>>>>     at
>> >>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:236)
>> >>>>>>>     at
>> >>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:233)
>> >>>>>>>     at
>> >>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:65)
>> >>>>>>>     at
>> >>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:233)
>> >>>>>>>     at
>> >>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.cloud.DistributedQueue.orderedChildren(DistributedQueue.java:89)
>> >>>>>>>     at
>> >>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.cloud.DistributedQueue.element(DistributedQueue.java:131)
>> >>>>>>>     at
>> >>>>>>>
>> >>> org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:326)
>> >>>>>>>     at
>> >>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:128)
>> >>>>>>>     at java.lang.Thread.run(Thread.java:662)
>> >>>>>>>
>> >>>>>>>
>> >>>>>>>
>> >>>>>>> On Wed, Apr 3, 2013 at 7:25 PM, Jamie Johnson <jej2003@gmail.com>
>> >>>>> wrote:
>> >>>>>>>
>> >>>>>>>> just an update, I'm at 1M records now with no issues.  This looks
>> >>>>>>>> promising as to the cause of my issues, thanks for the help.  Is
>> the
>> >>>>>>>> routing method with numShards documented anywhere?  I know
>> >>> numShards is
>> >>>>>>>> documented but I didn't know that the routing changed if you
>> don't
>> >>>>> specify
>> >>>>>>>> it.
>> >>>>>>>>
>> >>>>>>>>
>> >>>>>>>> On Wed, Apr 3, 2013 at 4:44 PM, Jamie Johnson <jej2003@gmail.com
>> >
>> >>>>> wrote:
>> >>>>>>>>
>> >>>>>>>>> with these changes things are looking good, I'm up to 600,000
>> >>>>> documents
>> >>>>>>>>> without any issues as of right now.  I'll keep going and add
>> more
>> >>> to
>> >>>>> see if
>> >>>>>>>>> I find anything.
>> >>>>>>>>>
>> >>>>>>>>>
>> >>>>>>>>> On Wed, Apr 3, 2013 at 4:01 PM, Jamie Johnson <
>> jej2003@gmail.com>
>> >>>>> wrote:
>> >>>>>>>>>
>> >>>>>>>>>> ok, so that's not a deal breaker for me.  I just changed it to
>> >>> match
>> >>>>> the
>> >>>>>>>>>> shards that are auto created and it looks like things are
>> happy.
>> >>>>> I'll go
>> >>>>>>>>>> ahead and try my test to see if I can get things out of sync.
>> >>>>>>>>>>
>> >>>>>>>>>>
>> >>>>>>>>>> On Wed, Apr 3, 2013 at 3:56 PM, Mark Miller <
>> >>> markrmiller@gmail.com
>> >>>>>> wrote:
>> >>>>>>>>>>
>> >>>>>>>>>>> I had thought you could - but looking at the code recently, I
>> >>> don't
>> >>>>>>>>>>> think you can anymore. I think that's a technical limitation
>> more
>> >>>>> than
>> >>>>>>>>>>> anything though. When these changes were made, I think support
>> >>> for
>> >>>>> that was
>> >>>>>>>>>>> simply not added at the time.
>> >>>>>>>>>>>
>> >>>>>>>>>>> I'm not sure exactly how straightforward it would be, but it
>> >>> seems
>> >>>>>>>>>>> doable - as it is, the overseer will preallocate shards when
>> >>> first
>> >>>>> creating
>> >>>>>>>>>>> the collection - that's when they get named shard(n). There
>> would
>> >>>>> have to
>> >>>>>>>>>>> be logic to replace shard(n) with the custom shard name when
>> the
>> >>>>> core
>> >>>>>>>>>>> actually registers.
>> >>>>>>>>>>>
>> >>>>>>>>>>> - Mark
>> >>>>>>>>>>>
>> >>>>>>>>>>> On Apr 3, 2013, at 3:42 PM, Jamie Johnson <jej2003@gmail.com>
>> >>>>> wrote:
>> >>>>>>>>>>>
>> >>>>>>>>>>>> answered my own question, it now says compositeId.  What is
>> >>>>>>>>>>> problematic
>> >>>>>>>>>>>> though is that in addition to my shards (which are say
>> >>>>> jamie-shard1)
>> >>>>>>>>>>> I see
>> >>>>>>>>>>>> the solr created shards (shard1).  I assume that these were
>> >>> created
>> >>>>>>>>>>> because
>> >>>>>>>>>>>> of the numShards param.  Is there no way to specify the
>> names of
>> >>>>> these
>> >>>>>>>>>>>> shards?
>> >>>>>>>>>>>>
>> >>>>>>>>>>>>
>> >>>>>>>>>>>> On Wed, Apr 3, 2013 at 3:25 PM, Jamie Johnson <
>> >>> jej2003@gmail.com>
>> >>>>>>>>>>> wrote:
>> >>>>>>>>>>>>
>> >>>>>>>>>>>>> ah interesting....so I need to specify num shards, blow out
>> zk
>> >>> and
>> >>>>>>>>>>> then
>> >>>>>>>>>>>>> try this again to see if things work properly now.  What is
>> >>> really
>> >>>>>>>>>>> strange
>> >>>>>>>>>>>>> is that for the most part things have worked right and on
>> >>> 4.2.1 I
>> >>>>>>>>>>> have
>> >>>>>>>>>>>>> 600,000 items indexed with no duplicates.  In any event I
>> will
>> >>>>>>>>>>> specify num
>> >>>>>>>>>>>>> shards clear out zk and begin again.  If this works properly
>> >>> what
>> >>>>>>>>>>> should
>> >>>>>>>>>>>>> the router type be?
>> >>>>>>>>>>>>>
>> >>>>>>>>>>>>>
>> >>>>>>>>>>>>> On Wed, Apr 3, 2013 at 3:14 PM, Mark Miller <
>> >>>>> markrmiller@gmail.com>
>> >>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>
>> >>>>>>>>>>>>>> If you don't specify numShards after 4.1, you get an
>> implicit
>> >>> doc
>> >>>>>>>>>>> router
>> >>>>>>>>>>>>>> and it's up to you to distribute updates. In the past,
>> >>>>> partitioning
>> >>>>>>>>>>> was
>> >>>>>>>>>>>>>> done on the fly - but for shard splitting and perhaps other
>> >>>>>>>>>>> features, we
>> >>>>>>>>>>>>>> now divvy up the hash range up front based on numShards and
>> >>> store
>> >>>>>>>>>>> it in
>> >>>>>>>>>>>>>> ZooKeeper. No numShards is now how you take complete
>> control
>> >>> of
>> >>>>>>>>>>> updates
>> >>>>>>>>>>>>>> yourself.
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>>>> - Mark
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>>>> On Apr 3, 2013, at 2:57 PM, Jamie Johnson <
>> jej2003@gmail.com>
>> >>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>> The router says "implicit".  I did start from a blank zk
>> >>> state
>> >>>>> but
>> >>>>>>>>>>>>>> perhaps
>> >>>>>>>>>>>>>>> I missed one of the ZkCLI commands?  One of my shards from
>> >>> the
>> >>>>>>>>>>>>>>> clusterstate.json is shown below.  What is the process
>> that
>> >>>>> should
>> >>>>>>>>>>> be
>> >>>>>>>>>>>>>> done
>> >>>>>>>>>>>>>>> to bootstrap a cluster other than the ZkCLI commands I
>> listed
>> >>>>>>>>>>> above?  My
>> >>>>>>>>>>>>>>> process right now is run those ZkCLI commands and then
>> start
>> >>>>> solr
>> >>>>>>>>>>> on
>> >>>>>>>>>>>>>> all of
>> >>>>>>>>>>>>>>> the instances with a command like this
>> >>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>> java -server -Dshard=shard5 -DcoreName=shard5-core1
>> >>>>>>>>>>>>>>> -Dsolr.data.dir=/solr/data/shard5-core1
>> >>>>>>>>>>>>>> -Dcollection.configName=solr-conf
>> >>>>>>>>>>>>>>> -Dcollection=collection1
>> >>>>>>>>>>> -DzkHost=so-zoo1:2181,so-zoo2:2181,so-zoo3:2181
>> >>>>>>>>>>>>>>> -Djetty.port=7575 -DhostPort=7575 -jar start.jar
>> >>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>> I feel like maybe I'm missing a step.
>> >>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>> "shard5":{
>> >>>>>>>>>>>>>>>   "state":"active",
>> >>>>>>>>>>>>>>>   "replicas":{
>> >>>>>>>>>>>>>>>     "10.38.33.16:7575_solr_shard5-core1":{
>> >>>>>>>>>>>>>>>       "shard":"shard5",
>> >>>>>>>>>>>>>>>       "state":"active",
>> >>>>>>>>>>>>>>>       "core":"shard5-core1",
>> >>>>>>>>>>>>>>>       "collection":"collection1",
>> >>>>>>>>>>>>>>>       "node_name":"10.38.33.16:7575_solr",
>> >>>>>>>>>>>>>>>       "base_url":"http://10.38.33.16:7575/solr",
>> >>>>>>>>>>>>>>>       "leader":"true"},
>> >>>>>>>>>>>>>>>     "10.38.33.17:7577_solr_shard5-core2":{
>> >>>>>>>>>>>>>>>       "shard":"shard5",
>> >>>>>>>>>>>>>>>       "state":"recovering",
>> >>>>>>>>>>>>>>>       "core":"shard5-core2",
>> >>>>>>>>>>>>>>>       "collection":"collection1",
>> >>>>>>>>>>>>>>>       "node_name":"10.38.33.17:7577_solr",
>> >>>>>>>>>>>>>>>       "base_url":"http://10.38.33.17:7577/solr"}}}
>> >>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>> On Wed, Apr 3, 2013 at 2:40 PM, Mark Miller <
>> >>>>> markrmiller@gmail.com
>> >>>>>>>>>>>>
>> >>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>> It should be part of your clusterstate.json. Some users
>> have
>> >>>>>>>>>>> reported
>> >>>>>>>>>>>>>>>> trouble upgrading a previous zk install when this change
>> >>> came.
>> >>>>> I
>> >>>>>>>>>>>>>>>> recommended manually updating the clusterstate.json to
>> have
>> >>> the
>> >>>>>>>>>>> right
>> >>>>>>>>>>>>>> info,
>> >>>>>>>>>>>>>>>> and that seemed to work. Otherwise, I guess you have to
>> >>> start
>> >>>>>>>>>>> from a
>> >>>>>>>>>>>>>> clean
>> >>>>>>>>>>>>>>>> zk state.
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>> If you don't have that range information, I think there
>> >>> will be
>> >>>>>>>>>>>>>> trouble.
>> >>>>>>>>>>>>>>>> Do you have an router type defined in the
>> clusterstate.json?
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>> - Mark
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>> On Apr 3, 2013, at 2:24 PM, Jamie Johnson <
>> >>> jej2003@gmail.com>
>> >>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>> Where is this information stored in ZK?  I don't see it
>> in
>> >>> the
>> >>>>>>>>>>> cluster
>> >>>>>>>>>>>>>>>>> state (or perhaps I don't understand it ;) ).
>> >>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>> Perhaps something with my process is broken.  What I do
>> >>> when I
>> >>>>>>>>>>> start
>> >>>>>>>>>>>>>> from
>> >>>>>>>>>>>>>>>>> scratch is the following
>> >>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>> ZkCLI -cmd upconfig ...
>> >>>>>>>>>>>>>>>>> ZkCLI -cmd linkconfig ....
>> >>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>> but I don't ever explicitly create the collection.  What
>> >>>>> should
>> >>>>>>>>>>> the
>> >>>>>>>>>>>>>> steps
>> >>>>>>>>>>>>>>>>> from scratch be?  I am moving from an unreleased
>> snapshot
>> >>> of
>> >>>>> 4.0
>> >>>>>>>>>>> so I
>> >>>>>>>>>>>>>>>> never
>> >>>>>>>>>>>>>>>>> did that previously either so perhaps I did create the
>> >>>>>>>>>>> collection in
>> >>>>>>>>>>>>>> one
>> >>>>>>>>>>>>>>>> of
>> >>>>>>>>>>>>>>>>> my steps to get this working but have forgotten it along
>> >>> the
>> >>>>> way.
>> >>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>> On Wed, Apr 3, 2013 at 2:16 PM, Mark Miller <
>> >>>>>>>>>>> markrmiller@gmail.com>
>> >>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>> Thanks for digging Jamie. In 4.2, hash ranges are
>> >>> assigned up
>> >>>>>>>>>>> front
>> >>>>>>>>>>>>>>>> when a
>> >>>>>>>>>>>>>>>>>> collection is created - each shard gets a range, which
>> is
>> >>>>>>>>>>> stored in
>> >>>>>>>>>>>>>>>>>> zookeeper. You should not be able to end up with the
>> same
>> >>> id
>> >>>>> on
>> >>>>>>>>>>>>>>>> different
>> >>>>>>>>>>>>>>>>>> shards - something very odd going on.
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>> Hopefully I'll have some time to try and help you
>> >>> reproduce.
>> >>>>>>>>>>> Ideally
>> >>>>>>>>>>>>>> we
>> >>>>>>>>>>>>>>>>>> can capture it in a test case.
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>> - Mark
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>> On Apr 3, 2013, at 1:13 PM, Jamie Johnson <
>> >>> jej2003@gmail.com
>> >>>>>>
>> >>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>> no, my thought was wrong, it appears that even with
>> the
>> >>>>>>>>>>> parameter
>> >>>>>>>>>>>>>> set I
>> >>>>>>>>>>>>>>>>>> am
>> >>>>>>>>>>>>>>>>>>> seeing this behavior.  I've been able to duplicate it
>> on
>> >>>>> 4.2.0
>> >>>>>>>>>>> by
>> >>>>>>>>>>>>>>>>>> indexing
>> >>>>>>>>>>>>>>>>>>> 100,000 documents on 10 threads (10,000 each) when I
>> get
>> >>> to
>> >>>>>>>>>>> 400,000
>> >>>>>>>>>>>>>> or
>> >>>>>>>>>>>>>>>>>> so.
>> >>>>>>>>>>>>>>>>>>> I will try this on 4.2.1. to see if I see the same
>> >>> behavior
>> >>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>> On Wed, Apr 3, 2013 at 12:37 PM, Jamie Johnson <
>> >>>>>>>>>>> jej2003@gmail.com>
>> >>>>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>> Since I don't have that many items in my index I
>> >>> exported
>> >>>>> all
>> >>>>>>>>>>> of
>> >>>>>>>>>>>>>> the
>> >>>>>>>>>>>>>>>>>> keys
>> >>>>>>>>>>>>>>>>>>>> for each shard and wrote a simple java program that
>> >>> checks
>> >>>>> for
>> >>>>>>>>>>>>>>>>>> duplicates.
>> >>>>>>>>>>>>>>>>>>>> I found some duplicate keys on different shards, a
>> grep
>> >>> of
>> >>>>> the
>> >>>>>>>>>>>>>> files
>> >>>>>>>>>>>>>>>> for
>> >>>>>>>>>>>>>>>>>>>> the keys found does indicate that they made it to the
>> >>> wrong
>> >>>>>>>>>>> places.
>> >>>>>>>>>>>>>>>> If
>> >>>>>>>>>>>>>>>>>> you
>> >>>>>>>>>>>>>>>>>>>> notice documents with the same ID are on shard 3 and
>> >>> shard
>> >>>>> 5.
>> >>>>>>>>>>> Is
>> >>>>>>>>>>>>>> it
>> >>>>>>>>>>>>>>>>>>>> possible that the hash is being calculated taking
>> into
>> >>>>>>>>>>> account only
>> >>>>>>>>>>>>>>>> the
>> >>>>>>>>>>>>>>>>>>>> "live" nodes?  I know that we don't specify the
>> >>> numShards
>> >>>>>>>>>>> param @
>> >>>>>>>>>>>>>>>>>> startup
>> >>>>>>>>>>>>>>>>>>>> so could this be what is happening?
>> >>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>> grep -c "7cd1a717-3d94-4f5d-bcb1-9d8a95ca78de" *
>> >>>>>>>>>>>>>>>>>>>> shard1-core1:0
>> >>>>>>>>>>>>>>>>>>>> shard1-core2:0
>> >>>>>>>>>>>>>>>>>>>> shard2-core1:0
>> >>>>>>>>>>>>>>>>>>>> shard2-core2:0
>> >>>>>>>>>>>>>>>>>>>> shard3-core1:1
>> >>>>>>>>>>>>>>>>>>>> shard3-core2:1
>> >>>>>>>>>>>>>>>>>>>> shard4-core1:0
>> >>>>>>>>>>>>>>>>>>>> shard4-core2:0
>> >>>>>>>>>>>>>>>>>>>> shard5-core1:1
>> >>>>>>>>>>>>>>>>>>>> shard5-core2:1
>> >>>>>>>>>>>>>>>>>>>> shard6-core1:0
>> >>>>>>>>>>>>>>>>>>>> shard6-core2:0
>> >>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>> On Wed, Apr 3, 2013 at 10:42 AM, Jamie Johnson <
>> >>>>>>>>>>> jej2003@gmail.com>
>> >>>>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>> Something interesting that I'm noticing as well, I
>> just
>> >>>>>>>>>>> indexed
>> >>>>>>>>>>>>>>>> 300,000
>> >>>>>>>>>>>>>>>>>>>>> items, and some how 300,020 ended up in the index.
>>  I
>> >>>>> thought
>> >>>>>>>>>>>>>>>> perhaps I
>> >>>>>>>>>>>>>>>>>>>>> messed something up so I started the indexing again
>> and
>> >>>>>>>>>>> indexed
>> >>>>>>>>>>>>>>>> another
>> >>>>>>>>>>>>>>>>>>>>> 400,000 and I see 400,064 docs.  Is there a good
>> way to
>> >>>>> find
>> >>>>>>>>>>>>>>>> possibile
>> >>>>>>>>>>>>>>>>>>>>> duplicates?  I had tried to facet on key (our id
>> field)
>> >>>>> but
>> >>>>>>>>>>> that
>> >>>>>>>>>>>>>>>> didn't
>> >>>>>>>>>>>>>>>>>>>>> give me anything with more than a count of 1.
>> >>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>> On Wed, Apr 3, 2013 at 9:22 AM, Jamie Johnson <
>> >>>>>>>>>>> jej2003@gmail.com>
>> >>>>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>> Ok, so clearing the transaction log allowed things
>> to
>> >>> go
>> >>>>>>>>>>> again.
>> >>>>>>>>>>>>>> I
>> >>>>>>>>>>>>>>>> am
>> >>>>>>>>>>>>>>>>>>>>>> going to clear the index and try to replicate the
>> >>>>> problem on
>> >>>>>>>>>>>>>> 4.2.0
>> >>>>>>>>>>>>>>>>>> and then
>> >>>>>>>>>>>>>>>>>>>>>> I'll try on 4.2.1
>> >>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>> On Wed, Apr 3, 2013 at 8:21 AM, Mark Miller <
>> >>>>>>>>>>>>>> markrmiller@gmail.com
>> >>>>>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>> No, not that I know if, which is why I say we
>> need to
>> >>>>> get
>> >>>>>>>>>>> to the
>> >>>>>>>>>>>>>>>>>> bottom
>> >>>>>>>>>>>>>>>>>>>>>>> of it.
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>> - Mark
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>> On Apr 2, 2013, at 10:18 PM, Jamie Johnson <
>> >>>>>>>>>>> jej2003@gmail.com>
>> >>>>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>> Mark
>> >>>>>>>>>>>>>>>>>>>>>>>> It's there a particular jira issue that you think
>> >>> may
>> >>>>>>>>>>> address
>> >>>>>>>>>>>>>>>> this?
>> >>>>>>>>>>>>>>>>>> I
>> >>>>>>>>>>>>>>>>>>>>>>> read
>> >>>>>>>>>>>>>>>>>>>>>>>> through it quickly but didn't see one that jumped
>> >>> out
>> >>>>>>>>>>>>>>>>>>>>>>>> On Apr 2, 2013 10:07 PM, "Jamie Johnson" <
>> >>>>>>>>>>> jej2003@gmail.com>
>> >>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>> I brought the bad one down and back up and it
>> did
>> >>>>>>>>>>> nothing.  I
>> >>>>>>>>>>>>>> can
>> >>>>>>>>>>>>>>>>>>>>>>> clear
>> >>>>>>>>>>>>>>>>>>>>>>>>> the index and try4.2.1. I will save off the logs
>> >>> and
>> >>>>> see
>> >>>>>>>>>>> if
>> >>>>>>>>>>>>>> there
>> >>>>>>>>>>>>>>>>>> is
>> >>>>>>>>>>>>>>>>>>>>>>>>> anything else odd
>> >>>>>>>>>>>>>>>>>>>>>>>>> On Apr 2, 2013 9:13 PM, "Mark Miller" <
>> >>>>>>>>>>> markrmiller@gmail.com>
>> >>>>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>> It would appear it's a bug given what you have
>> >>> said.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>> Any other exceptions would be useful. Might be
>> >>> best
>> >>>>> to
>> >>>>>>>>>>> start
>> >>>>>>>>>>>>>>>>>>>>>>> tracking in
>> >>>>>>>>>>>>>>>>>>>>>>>>>> a JIRA issue as well.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>> To fix, I'd bring the behind node down and back
>> >>>>> again.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>> Unfortunately, I'm pressed for time, but we
>> really
>> >>>>> need
>> >>>>>>>>>>> to
>> >>>>>>>>>>>>>> get
>> >>>>>>>>>>>>>>>> to
>> >>>>>>>>>>>>>>>>>>>>>>> the
>> >>>>>>>>>>>>>>>>>>>>>>>>>> bottom of this and fix it, or determine if it's
>> >>>>> fixed in
>> >>>>>>>>>>>>>> 4.2.1
>> >>>>>>>>>>>>>>>>>>>>>>> (spreading
>> >>>>>>>>>>>>>>>>>>>>>>>>>> to mirrors now).
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>> - Mark
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>> On Apr 2, 2013, at 7:21 PM, Jamie Johnson <
>> >>>>>>>>>>> jej2003@gmail.com
>> >>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> Sorry I didn't ask the obvious question.  Is
>> >>> there
>> >>>>>>>>>>> anything
>> >>>>>>>>>>>>>>>> else
>> >>>>>>>>>>>>>>>>>>>>>>> that I
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> should be looking for here and is this a bug?
>> >>> I'd
>> >>>>> be
>> >>>>>>>>>>> happy
>> >>>>>>>>>>>>>> to
>> >>>>>>>>>>>>>>>>>>>>>>> troll
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> through the logs further if more information
>> is
>> >>>>>>>>>>> needed, just
>> >>>>>>>>>>>>>>>> let
>> >>>>>>>>>>>>>>>>>> me
>> >>>>>>>>>>>>>>>>>>>>>>>>>> know.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> Also what is the most appropriate mechanism to
>> >>> fix
>> >>>>>>>>>>> this.
>> >>>>>>>>>>>>>> Is it
>> >>>>>>>>>>>>>>>>>>>>>>>>>> required to
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> kill the index that is out of sync and let
>> solr
>> >>>>> resync
>> >>>>>>>>>>>>>> things?
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> On Tue, Apr 2, 2013 at 5:45 PM, Jamie Johnson
>> <
>> >>>>>>>>>>>>>>>> jej2003@gmail.com
>> >>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> sorry for spamming here....
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> shard5-core2 is the instance we're having
>> issues
>> >>>>>>>>>>> with...
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> Apr 2, 2013 7:27:14 PM
>> >>>>>>>>>>> org.apache.solr.common.SolrException
>> >>>>>>>>>>>>>>>> log
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> SEVERE: shard update error StdNode:
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> http://10.38.33.17:7577/solr/dsc-shard5-core2/:org.apache.solr.common.SolrException
>> >>>>>>>>>>>>>>>>>>>>>>>>>> :
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> Server at
>> >>>>>>>>>>>>>>>> http://10.38.33.17:7577/solr/dsc-shard5-core2returned
>> >>>>>>>>>>>>>>>>>>>>>>> non
>> >>>>>>>>>>>>>>>>>>>>>>>>>> ok
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> status:503, message:Service Unavailable
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:373)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:181)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.update.SolrCmdDistributor$1.call(SolrCmdDistributor.java:332)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.update.SolrCmdDistributor$1.call(SolrCmdDistributor.java:306)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>> java.util.concurrent.FutureTask.run(FutureTask.java:138)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>> java.util.concurrent.FutureTask.run(FutureTask.java:138)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> at java.lang.Thread.run(Thread.java:662)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> On Tue, Apr 2, 2013 at 5:43 PM, Jamie
>> Johnson <
>> >>>>>>>>>>>>>>>>>> jej2003@gmail.com>
>> >>>>>>>>>>>>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> here is another one that looks interesting
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> Apr 2, 2013 7:27:14 PM
>> >>>>>>>>>>>>>> org.apache.solr.common.SolrException
>> >>>>>>>>>>>>>>>> log
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> SEVERE:
>> org.apache.solr.common.SolrException:
>> >>>>>>>>>>> ClusterState
>> >>>>>>>>>>>>>>>> says
>> >>>>>>>>>>>>>>>>>>>>>>> we are
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> the leader, but locally we don't think so
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.update.processor.DistributedUpdateProcessor.doDefensiveChecks(DistributedUpdateProcessor.java:293)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.update.processor.DistributedUpdateProcessor.setupRequest(DistributedUpdateProcessor.java:228)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.update.processor.DistributedUpdateProcessor.processAdd(DistributedUpdateProcessor.java:339)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.update.processor.LogUpdateProcessor.processAdd(LogUpdateProcessorFactory.java:100)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.handler.loader.XMLLoader.processUpdate(XMLLoader.java:246)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> org.apache.solr.handler.loader.XMLLoader.load(XMLLoader.java:173)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.handler.UpdateRequestHandler$1.load(UpdateRequestHandler.java:92)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:74)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>> org.apache.solr.core.SolrCore.execute(SolrCore.java:1797)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:637)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> at
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:343)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> On Tue, Apr 2, 2013 at 5:41 PM, Jamie
>> Johnson <
>> >>>>>>>>>>>>>>>>>> jej2003@gmail.com
>> >>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Looking at the master it looks like at some
>> >>> point
>> >>>>>>>>>>> there
>> >>>>>>>>>>>>>> were
>> >>>>>>>>>>>>>>>>>>>>>>> shards
>> >>>>>>>>>>>>>>>>>>>>>>>>>> that
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> went down.  I am seeing things like what is
>> >>>>> below.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> NFO: A cluster state change: WatchedEvent
>> >>>>>>>>>>>>>>>> state:SyncConnected
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> type:NodeChildrenChanged path:/live_nodes,
>> has
>> >>>>>>>>>>> occurred -
>> >>>>>>>>>>>>>>>>>>>>>>>>>> updating... (live
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> nodes size: 12)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Apr 2, 2013 8:12:52 PM
>> >>>>>>>>>>>>>>>>>>>>>>> org.apache.solr.common.cloud.ZkStateReader$3
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> process
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> INFO: Updating live nodes... (9)
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Apr 2, 2013 8:12:52 PM
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> org.apache.solr.cloud.ShardLeaderElectionContext
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> runLeaderProcess
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> INFO: Running the leader process.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Apr 2, 2013 8:12:52 PM
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> org.apache.solr.cloud.ShardLeaderElectionContext
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> shouldIBeLeader
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> INFO: Checking if I should try and be the
>> >>> leader.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Apr 2, 2013 8:12:52 PM
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> org.apache.solr.cloud.ShardLeaderElectionContext
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> shouldIBeLeader
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> INFO: My last published State was Active,
>> it's
>> >>>>> okay
>> >>>>>>>>>>> to be
>> >>>>>>>>>>>>>>>> the
>> >>>>>>>>>>>>>>>>>>>>>>> leader.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Apr 2, 2013 8:12:52 PM
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> org.apache.solr.cloud.ShardLeaderElectionContext
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> runLeaderProcess
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> INFO: I may be the new leader - try and
>> sync
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> On Tue, Apr 2, 2013 at 5:09 PM, Mark
>> Miller <
>> >>>>>>>>>>>>>>>>>>>>>>> markrmiller@gmail.com
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I don't think the versions you are
>> thinking
>> >>> of
>> >>>>>>>>>>> apply
>> >>>>>>>>>>>>>> here.
>> >>>>>>>>>>>>>>>>>>>>>>> Peersync
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> does not look at that - it looks at
>> version
>> >>>>>>>>>>> numbers for
>> >>>>>>>>>>>>>>>>>>>>>>> updates in
>> >>>>>>>>>>>>>>>>>>>>>>>>>> the
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> transaction log - it compares the last
>> 100 of
>> >>>>> them
>> >>>>>>>>>>> on
>> >>>>>>>>>>>>>>>> leader
>> >>>>>>>>>>>>>>>>>>>>>>> and
>> >>>>>>>>>>>>>>>>>>>>>>>>>> replica.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> What it's saying is that the replica
>> seems to
>> >>>>> have
>> >>>>>>>>>>>>>> versions
>> >>>>>>>>>>>>>>>>>>>>>>> that
>> >>>>>>>>>>>>>>>>>>>>>>>>>> the leader
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> does not. Have you scanned the logs for
>> any
>> >>>>>>>>>>> interesting
>> >>>>>>>>>>>>>>>>>>>>>>> exceptions?
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Did the leader change during the heavy
>> >>> indexing?
>> >>>>>>>>>>> Did
>> >>>>>>>>>>>>>> any zk
>> >>>>>>>>>>>>>>>>>>>>>>> session
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> timeouts occur?
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> - Mark
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> On Apr 2, 2013, at 4:52 PM, Jamie Johnson
>> <
>> >>>>>>>>>>>>>>>> jej2003@gmail.com
>> >>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I am currently looking at moving our Solr
>> >>>>> cluster
>> >>>>>>>>>>> to
>> >>>>>>>>>>>>>> 4.2
>> >>>>>>>>>>>>>>>> and
>> >>>>>>>>>>>>>>>>>>>>>>>>>> noticed a
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> strange issue while testing today.
>> >>>>> Specifically
>> >>>>>>>>>>> the
>> >>>>>>>>>>>>>>>> replica
>> >>>>>>>>>>>>>>>>>>>>>>> has a
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> higher
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> version than the master which is causing
>> the
>> >>>>>>>>>>> index to
>> >>>>>>>>>>>>>> not
>> >>>>>>>>>>>>>>>>>>>>>>>>>> replicate.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Because of this the replica has fewer
>> >>> documents
>> >>>>>>>>>>> than
>> >>>>>>>>>>>>>> the
>> >>>>>>>>>>>>>>>>>>>>>>> master.
>> >>>>>>>>>>>>>>>>>>>>>>>>>> What
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> could cause this and how can I resolve it
>> >>>>> short of
>> >>>>>>>>>>>>>> taking
>> >>>>>>>>>>>>>>>>>>>>>>> down the
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> index
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> and scping the right version in?
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> MASTER:
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Last Modified:about an hour ago
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Num Docs:164880
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Max Doc:164880
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Deleted Docs:0
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Version:2387
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Segment Count:23
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> REPLICA:
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Last Modified: about an hour ago
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Num Docs:164773
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Max Doc:164773
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Deleted Docs:0
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Version:3001
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Segment Count:30
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> in the replicas log it says this:
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> INFO: Creating new http client,
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>
>> >>>
>> config:maxConnectionsPerHost=20&maxConnections=10000&connTimeout=30000&socketTimeout=30000&retry=false
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Apr 2, 2013 8:15:06 PM
>> >>>>>>>>>>> org.apache.solr.update.PeerSync
>> >>>>>>>>>>>>>>>> sync
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> INFO: PeerSync: core=dsc-shard5-core2
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> url=
>> >>> http://10.38.33.17:7577/solrSTARTreplicas=[
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>> http://10.38.33.16:7575/solr/dsc-shard5-core1/
>> >>>>> ]
>> >>>>>>>>>>>>>>>>>> nUpdates=100
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Apr 2, 2013 8:15:06 PM
>> >>>>>>>>>>> org.apache.solr.update.PeerSync
>> >>>>>>>>>>>>>>>>>>>>>>>>>> handleVersions
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> INFO: PeerSync: core=dsc-shard5-core2
>> url=
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> http://10.38.33.17:7577/solr
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Received 100 versions from
>> >>>>>>>>>>>>>>>>>>>>>>> 10.38.33.16:7575/solr/dsc-shard5-core1/
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Apr 2, 2013 8:15:06 PM
>> >>>>>>>>>>> org.apache.solr.update.PeerSync
>> >>>>>>>>>>>>>>>>>>>>>>>>>> handleVersions
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> INFO: PeerSync: core=dsc-shard5-core2
>> url=
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> http://10.38.33.17:7577/solr  Our
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> versions are newer.
>> >>>>>>>>>>> ourLowThreshold=1431233788792274944
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> otherHigh=1431233789440294912
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Apr 2, 2013 8:15:06 PM
>> >>>>>>>>>>> org.apache.solr.update.PeerSync
>> >>>>>>>>>>>>>>>> sync
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> INFO: PeerSync: core=dsc-shard5-core2
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> url=http://10.38.33.17:7577/solrDONE.
>> sync
>> >>>>>>>>>>> succeeded
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> which again seems to point that it
>> thinks it
>> >>>>> has a
>> >>>>>>>>>>>>>> newer
>> >>>>>>>>>>>>>>>>>>>>>>> version of
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> the
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> index so it aborts.  This happened while
>> >>>>> having 10
>> >>>>>>>>>>>>>> threads
>> >>>>>>>>>>>>>>>>>>>>>>> indexing
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 10,000
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> items writing to a 6 shard (1 replica
>> each)
>> >>>>>>>>>>> cluster.
>> >>>>>>>>>>>>>> Any
>> >>>>>>>>>>>>>>>>>>>>>>> thoughts
>> >>>>>>>>>>>>>>>>>>>>>>>>>> on
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> this
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> or what I should look for would be
>> >>> appreciated.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>>>>>>
>> >>>>>>>>>
>> >>>>>>>>
>> >>>>>>
>> >>>>>
>> >>>>>
>> >>>
>> >>>
>> >>
>>
>>
>

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