ignite-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Dmitriy Setrakyan <dsetrak...@apache.org>
Subject Re: Help with tuning for larger clusters
Date Thu, 29 Oct 2015 05:46:00 GMT
Should we add some of these performance and tuning tips to our
documentation?

http://apacheignite.gridgain.org/docs/performance-tips

D.

On Wed, Oct 28, 2015 at 7:04 AM, Denis Magda <dmagda@gridgain.com> wrote:

> Hi Joe,
>
> No problems, I'll guide you until we get to the bottom.
>
> Do you start pre-loading the caches with data right after the cluster is
> ready? If so let's postpone doing this until you have a stable cluster with
> caches rebalanced and ready to be used.
>
> Please, do the following as the next steps:
>
> 1) Set 'failureDetectionTimeout' to a bigger value (~ 15 secs);
>
> 2) Set CacheConfiguration.setRebalanceTimeout to a value that is
> approximately equal to the time when all the nodes are joined the topology
> (~ 1 minute or so).
>
> 3) Enable verbose logging for every node by passing -DIGNITE_QUEIT=false
> parameter to virtual machine arguments list. If you use ignite.sh script
> then just pass '-v' flag.
>
> 4) Enable garbage collection logs for every node by passing this string to
> virtual machine arguments list -Xloggc:./gc.log -XX:+PrintGCDetails
> -verbose:gc
>
> When you did a test run taking into account all the points above please
> gather all the logs (including garbage collection logs) and send us for
> further investigation.
>
> Regards,
> Denis
>
>
> On 10/28/2015 1:40 PM, dev@eiler.net wrote:
>
> Thanks for the info Denis.
>
> Removing the failureDetectionTimeout and using the networkTimeout seems to
> allow the nodes to join the topology in about the same amount of time. I'm
> still only having occasional success running anything (even just the pi
> estimator)
>
> I seem to always see a bunch of warnings...a summary is dumped below along
> with my config at the end, any guidance you can provide is appreciated.
>
> Thanks,
> Joe
>
> Every node seems to see a bunch of "Retrying preload partition", with the
> lowest locNodeOrder having fewer nodes in the remaining
>
> [14:52:38,979][WARN
> ][ignite-#104%sys-null%][GridDhtPartitionsExchangeFuture] Retrying preload
> partition exchange due to timeout [done=false, dummy=false,
> exchId=GridDhtPartitionExchangeId [topVer=AffinityTopologyVersion
> [topVer=62, minorTopVer=0], nodeId=fd9620f5, evt=NODE_JOINED], rcvdIds=[],
> rmtIds=[0ab29a08, 5216f6ba, f882885f, 0d232f1a, b74f5ebb, 5790761a,
> 55d2082e, b1bf93b3, 2fd79f9f, a899ccce, 3dd74aba, 320d05fd, 0d44a4b3,
> 9a00f235, 4426467e, 7837fdfc, e8778da0, 4a988e3e, f8cabdbb, 494ad6fd,
> 7c05abfb, 5902c851, c406028e, a0b57685, e213b903, c85a0b46, df981c08,
> 187cd54f, f0b7b298, 94ec7576, 041975f5, aecba5d0, 5549256d, f9b5a77a,
> 596d0df7, 26266d8c, 0e664e25, 97d112b2, aac08043, 6b81a2b1, 5a2a1012,
> 534ac94b, b34cb942, 837785eb, 966d70b2, 3aab732e, 4e34ad89, 6df0ffff,
> 4c7c3c47, 85eea5fe, 1c5e2f6b, 3f426f4e, 27a9bef9, cd874e96, dc3256a7,
> 4da50521, 1d370c9e, 19c334eb, 24be15dd, 6c922af3, 01ea2812],
> remaining=[0ab29a08, 5216f6ba, f882885f, 0d232f1a, b74f5ebb, 5790761a,
> 55d2082e, b1bf93b3, 2fd79f9f, a899ccce, 3dd74aba, 320d05fd, 0d44a4b3,
> 9a00f235, 4426467e, 7837fdfc, e8778da0, 4a988e3e, f8cabdbb, 494ad6fd,
> 7c05abfb, 5902c851, c406028e, a0b57685, e213b903, c85a0b46, df981c08,
> 187cd54f, f0b7b298, 94ec7576, 041975f5, aecba5d0, 5549256d, f9b5a77a,
> 596d0df7, 26266d8c, 0e664e25, 97d112b2, aac08043, 6b81a2b1, 5a2a1012,
> 534ac94b, b34cb942, 837785eb, 966d70b2, 3aab732e, 4e34ad89, 6df0ffff,
> 4c7c3c47, 85eea5fe, 1c5e2f6b, 3f426f4e, 27a9bef9, cd874e96, dc3256a7,
> 4da50521, 1d370c9e, 19c334eb, 24be15dd, 6c922af3, 01ea2812], init=true,
> initFut=true, ready=true, replied=false, added=true, oldest=0d44a4b3,
> oldestOrder=1, evtLatch=0, locNodeOrder=62,
> locNodeId=fd9620f5-3ebb-4a71-a482-73d6a81b1688]
>
>
> [14:38:41,893][WARN
> ][ignite-#95%sys-null%][GridDhtPartitionsExchangeFuture] Retrying preload
> partition exchange due to timeout [done=false, dummy=false,
> exchId=GridDhtPartitionExchangeId [topVer=AffinityTopologyVersion
> [topVer=25, minorTopVer=0], nodeId=df981c08, evt=NODE_JOINED],
> rcvdIds=[7c05abfb, b34cb942, e213b903, 320d05fd, 5902c851, f0b7b298,
> 1d370c9e, 0d232f1a, 494ad6fd, 5a2a1012, b1bf93b3, 55d2082e, 7837fdfc,
> 85eea5fe, 4e34ad89, 5790761a, 3f426f4e, aac08043, 187cd54f, 01ea2812,
> c406028e, 24be15dd, 966d70b2], rmtIds=[0d232f1a, 5790761a, 55d2082e,
> b1bf93b3, aac08043, 5a2a1012, b34cb942, 320d05fd, 966d70b2, 4e34ad89,
> 85eea5fe, 7837fdfc, 3f426f4e, 1d370c9e, 494ad6fd, 7c05abfb, 5902c851,
> c406028e, 24be15dd, e213b903, df981c08, 187cd54f, f0b7b298, 01ea2812],
> remaining=[df981c08], init=true, initFut=true, ready=true, replied=false,
> added=true, oldest=0d44a4b3, oldestOrder=1, evtLatch=0, locNodeOrder=1,
> locNodeId=0d44a4b3-4d10-4f67-b8bd-005be226b1df]
>
>
> I also see a little over half the nodes getting "Still waiting for initial
> partition map exchange" warnings like this
>
>
> [14:39:37,848][WARN ][main][GridCachePartitionExchangeManager] Still
> waiting for initial partition map exchange
> [fut=GridDhtPartitionsExchangeFuture [dummy=false, forcePreload=false,
> reassign=false, discoEvt=DiscoveryEvent [evtNode=TcpDiscoveryNode
> [id=27a9bef9-de04-486d-aac0-bfa749e9007d, addrs=[0:0:0:0:0:0:0:1%1,
> 10.148.0.87, 10.159.1.182, 127.0.0.1], sockAddrs=[
> r1i4n10.redacted.com/10.148.0.87:47500, /0:0:0:0:0:0:0:1%1:47500, /
> 10.159.1.182:47500, /10.148.0.87:47500, /10.159.1.182:47500, /
> 127.0.0.1:47500], discPort=47500, order=48, intOrder=48,
> lastExchangeTime=1445974777828, loc=true, ver=1.4.0#19691231-sha1:00000000,
> isClient=false], topVer=48, nodeId8=27a9bef9, msg=null, type=NODE_JOINED,
> tstamp=1445974647187], rcvdIds=GridConcurrentHashSet [elements=[]],
> rmtIds=[0ab29a08-9c95-4054-8035-225f5828b3d4,
> 0d232f1a-0f46-4798-a39a-63a17dc4dc7f, f9b5a77a-a4c1-46aa-872e-aeaca9b76ee3,
> 596d0df7-3edf-4078-8f4a-ffa3d96296c6, 5790761a-aeeb-44d1-9fce-3fee31ef39b7,
> 55d2082e-3517-4828-8d47-57b4ed5a41bc, 26266d8c-cc87-4472-9fa4-c526d6da2233,
> 0e664e25-8dde-4df8-966b-53b60f9a1087, b1bf93b3-24bb-4520-ade0-31d05a93558d,
> aac08043-875a-485a-ab2c-cd7e66d68f8f, 2fd79f9f-9590-41d2-962e-004a3d7690b5,
> 5a2a1012-0766-448c-9583-25873c305de9, 534ac94b-8dd1-4fa8-a481-539fa4f4ce55,
> b34cb942-e960-4a00-b4fb-10add6466a93, 320d05fd-e021-40ac-83bc-62f54756771b,
> 0d44a4b3-4d10-4f67-b8bd-005be226b1df, 837785eb-24e0-496a-a0cc-f795b64b5929,
> 9a00f235-3b6a-4be5-b0e3-93cd1beacaf4, 966d70b2-e1dc-4e20-9876-b63736545abd,
> 3aab732e-a075-4b19-9525-e97a1260a4fe, 4e34ad89-fa46-4503-a599-b8c937ca1f47,
> 4c7c3c47-6e5c-4c15-80a9-408192596bc2, 85eea5fe-9aff-4821-970c-4ce006ee853a,
> 7837fdfc-6255-4784-8088-09d4e6e37bb9, 3f426f4e-2d0c-402a-a4af-9d7656f46484,
> e8778da0-a764-4ad9-afba-8a748564e12a, 4a988e3e-3434-4271-acd6-af2a1e30524c,
> cd874e96-63cf-41c9-8e8a-75f3223bfe9d, f8cabdbb-875a-480b-8b5e-4b5313c5fcbd,
> dc3256a7-ae23-4c2e-b375-55e2884e045d, 4da50521-aad0-48a4-9f79-858bbc2e6b89,
> 1d370c9e-250f-4733-8b8a-7b6f5c6e1b2b, 494ad6fd-1637-44b8-8d3a-1fa19681ba64,
> 7c05abfb-dba1-43c3-a8b1-af504762ec60, 5902c851-5275-41fd-89c4-cd6390c88670,
> 19c334eb-5661-4697-879d-1082571dfef8, c406028e-768e-404e-8417-40d2960c4ba3,
> a0b57685-e5dc-498c-99a4-33b1aef32632, 24be15dd-45f7-4980-b4f8-3176ab67e8f6,
> e213b903-107b-4465-8fe1-78b7b393d631, df981c08-148d-4266-9ea7-163168012968,
> 187cd54f-396b-4c3c-9bfc-9883ac37f556, f0b7b298-6432-477a-85a0-83e29e8c5380,
> 94ec7576-7a02-4c08-8739-4e0fc52a3d3a, 041975f5-990a-4792-b384-eded32966783,
> 01ea2812-5005-4152-af2e-2586bf65b4c6,
> aecba5d0-9d9b-4ab6-9018-62f5abb7b809], exchId=GridDhtPartitionExchangeId
> [topVer=AffinityTopologyVersion [topVer=48, minorTopVer=0],
> nodeId=27a9bef9, evt=NODE_JOINED], init=true, ready=true, replied=false,
> added=true, initFut=GridFutureAdapter [resFlag=2, res=true,
> startTime=1445974657836, endTime=1445974658400, ignoreInterrupts=false,
> lsnr=null, state=DONE], topSnapshot=null, lastVer=null,
> partReleaseFut=GridCompoundFuture [lsnrCalls=3, finished=true, rdc=null,
> init=true, res=java.util.concurrent.atomic.AtomicMarkableReference@6b58be0e,
> err=null, done=true, cancelled=false, err=null, futs=[true, true, true]],
> skipPreload=false, clientOnlyExchange=false,
> oldest=0d44a4b3-4d10-4f67-b8bd-005be226b1df, oldestOrder=1, evtLatch=0,
> remaining=[0ab29a08-9c95-4054-8035-225f5828b3d4,
> 0d232f1a-0f46-4798-a39a-63a17dc4dc7f, f9b5a77a-a4c1-46aa-872e-aeaca9b76ee3,
> 596d0df7-3edf-4078-8f4a-ffa3d96296c6, 5790761a-aeeb-44d1-9fce-3fee31ef39b7,
> 55d2082e-3517-4828-8d47-57b4ed5a41bc, 26266d8c-cc87-4472-9fa4-c526d6da2233,
> 0e664e25-8dde-4df8-966b-53b60f9a1087, b1bf93b3-24bb-4520-ade0-31d05a93558d,
> aac08043-875a-485a-ab2c-cd7e66d68f8f, 2fd79f9f-9590-41d2-962e-004a3d7690b5,
> 5a2a1012-0766-448c-9583-25873c305de9, 534ac94b-8dd1-4fa8-a481-539fa4f4ce55,
> b34cb942-e960-4a00-b4fb-10add6466a93, 320d05fd-e021-40ac-83bc-62f54756771b,
> 0d44a4b3-4d10-4f67-b8bd-005be226b1df, 837785eb-24e0-496a-a0cc-f795b64b5929,
> 9a00f235-3b6a-4be5-b0e3-93cd1beacaf4, 966d70b2-e1dc-4e20-9876-b63736545abd,
> 3aab732e-a075-4b19-9525-e97a1260a4fe, 4e34ad89-fa46-4503-a599-b8c937ca1f47,
> 4c7c3c47-6e5c-4c15-80a9-408192596bc2, 85eea5fe-9aff-4821-970c-4ce006ee853a,
> 7837fdfc-6255-4784-8088-09d4e6e37bb9, 3f426f4e-2d0c-402a-a4af-9d7656f46484,
> e8778da0-a764-4ad9-afba-8a748564e12a, 4a988e3e-3434-4271-acd6-af2a1e30524c,
> cd874e96-63cf-41c9-8e8a-75f3223bfe9d, f8cabdbb-875a-480b-8b5e-4b5313c5fcbd,
> dc3256a7-ae23-4c2e-b375-55e2884e045d, 4da50521-aad0-48a4-9f79-858bbc2e6b89,
> 1d370c9e-250f-4733-8b8a-7b6f5c6e1b2b, 494ad6fd-1637-44b8-8d3a-1fa19681ba64,
> 7c05abfb-dba1-43c3-a8b1-af504762ec60, 5902c851-5275-41fd-89c4-cd6390c88670,
> 19c334eb-5661-4697-879d-1082571dfef8, c406028e-768e-404e-8417-40d2960c4ba3,
> a0b57685-e5dc-498c-99a4-33b1aef32632, 24be15dd-45f7-4980-b4f8-3176ab67e8f6,
> e213b903-107b-4465-8fe1-78b7b393d631, df981c08-148d-4266-9ea7-163168012968,
> 187cd54f-396b-4c3c-9bfc-9883ac37f556, f0b7b298-6432-477a-85a0-83e29e8c5380,
> 94ec7576-7a02-4c08-8739-4e0fc52a3d3a, 041975f5-990a-4792-b384-eded32966783,
> 01ea2812-5005-4152-af2e-2586bf65b4c6,
> aecba5d0-9d9b-4ab6-9018-62f5abb7b809], super=GridFutureAdapter [resFlag=0,
> res=null, startTime=1445974657836, endTime=0, ignoreInterrupts=false,
> lsnr=null, state=INIT]]]
>
>
>
> Then on the occasions when mapreduce jobs fail I will see one node with
> (it isn't always the same node)
>
>
> [14:52:57,080][WARN ][grid-nio-worker-3-#135%null%][TcpCommunicationSpi]
> Closing NIO session because of unhandled exception [cls=class
> o.a.i.i.util.nio.GridNioException, msg=Connection timed out]
> [14:52:59,123][WARN ][grid-nio-worker-3-#135%null%][TcpCommunicationSpi]
> Failed to process selector key (will close): GridSelectorNioSessionImpl
> [selectorIdx=3, queueSize=0, writeBuf=java.nio.DirectByteBuffer[pos=0
> lim=32768 cap=32768], readBuf=java.nio.DirectByteBuffer[pos=0 lim=32768
> cap=32768], recovery=GridNioRecoveryDescriptor [acked=3, resendCnt=0,
> rcvCnt=0, reserved=true, lastAck=0, nodeLeft=false, node=TcpDiscoveryNode
> [id=837785eb-24e0-496a-a0cc-f795b64b5929, addrs=[0:0:0:0:0:0:0:1%1,
> 10.148.0.81, 10.159.1.176, 127.0.0.1], sockAddrs=[/10.159.1.176:47500,
> /0:0:0:0:0:0:0:1%1:47500, r1i4n4.redacted.com/10.148.0.81:47500, /
> 10.148.0.81:47500, /10.159.1.176:47500, /127.0.0.1:47500],
> discPort=47500, order=45, intOrder=45, lastExchangeTime=1445974625750,
> loc=false, ver=1.4.0#19691231-sha1:00000000, isClient=false],
> connected=true, connectCnt=1, queueLimit=5120], super=GridNioSessionImpl
> [locAddr=/10.159.1.112:46222, rmtAddr=/10.159.1.176:47100,
> createTime=1445974646591, closeTime=0, bytesSent=30217, bytesRcvd=9,
> sndSchedTime=1445975577912, lastSndTime=1445975577912,
> lastRcvTime=1445974655114, readsPaused=false,
> filterChain=FilterChain[filters=[GridNioCodecFilter
> [parser=o.a.i.i.util.nio.GridDirectParser@44de55ba, directMode=true],
> GridConnectionBytesVerifyFilter], accepted=false]]
> [14:52:59,124][WARN ][grid-nio-worker-3-#135%null%][TcpCommunicationSpi]
> Closing NIO session because of unhandled exception [cls=class
> o.a.i.i.util.nio.GridNioException, msg=Connection timed out]
> [14:53:00,105][WARN ][grid-nio-worker-3-#135%null%][TcpCommunicationSpi]
> Failed to process selector key (will close): GridSelectorNioSessionImpl
> [selectorIdx=3, queueSize=0, writeBuf=java.nio.DirectByteBuffer[pos=0
> lim=32768 cap=32768], readBuf=java.nio.DirectByteBuffer[pos=0 lim=32768
> cap=32768], recovery=GridNioRecoveryDescriptor [acked=0, resendCnt=0,
> rcvCnt=0, reserved=true, lastAck=0, nodeLeft=false, node=TcpDiscoveryNode
> [id=4426467e-b4b4-4912-baa1-d7cc839d9188, addrs=[0:0:0:0:0:0:0:1%1,
> 10.148.0.106, 10.159.1.201, 127.0.0.1], sockAddrs=[/10.159.1.201:47500,
> /0:0:0:0:0:0:0:1%1:47500, r1i5n11.redacted.com/10.148.0.106:47500, /
> 10.148.0.106:47500, /10.159.1.201:47500, /127.0.0.1:47500],
> discPort=47500, order=57, intOrder=57, lastExchangeTime=1445974625790,
> loc=false, ver=1.4.0#19691231-sha1:00000000, isClient=false],
> connected=true, connectCnt=1, queueLimit=5120], super=GridNioSessionImpl
> [locAddr=/10.159.1.112:60869, rmtAddr=/10.159.1.201:47100,
> createTime=1445974654478, closeTime=0, bytesSent=22979, bytesRcvd=0,
> sndSchedTime=1445975577912, lastSndTime=1445975577912,
> lastRcvTime=1445974654478, readsPaused=false,
> filterChain=FilterChain[filters=[GridNioCodecFilter
> [parser=o.a.i.i.util.nio.GridDirectParser@44de55ba, directMode=true],
> GridConnectionBytesVerifyFilter], accepted=false]]
> [14:53:00,105][WARN ][grid-nio-worker-3-#135%null%][TcpCommunicationSpi]
> Closing NIO session because of unhandled exception [cls=class
> o.a.i.i.util.nio.GridNioException, msg=Connection timed out]
>
>
> I've tried adjusting the timeout settings further but haven't had much
> success.
>
> Here is what my config looks like, it is obviously heavily based off the
> hadoop example config.
>
>
> <?xml version="1.0" encoding="UTF-8"?>
> <beans ns1:schemaLocation="http://www.springframework.org/schema/beans
>        http://www.springframework.org/schema/beans/spring-beans.xsd
> http://www.springframework.org/schema/util
> http://www.springframework.org/schema/util/spring-util.xsd"
> <http://www.springframework.org/schema/beans%C2%A0%C2%A0%C2%A0%C2%A0%C2%A0%C2%A0http://www.springframework.org/schema/beans/spring-beans.xsd%C2%A0%C2%A0%C2%A0%C2%A0%C2%A0%C2%A0http://www.springframework.org/schema/util%C2%A0%C2%A0%C2%A0%C2%A0%C2%A0%C2%A0%C2%A0http://www.springframework.org/schema/util/spring-util.xsd>
> xmlns="http://www.springframework.org/schema/beans"
> <http://www.springframework.org/schema/beans> xmlns:ns1=
> "http://www.w3.org/2001/XMLSchema-instance"
> <http://www.w3.org/2001/XMLSchema-instance>>
>   <description>
>         Spring file for Ignite node configuration with IGFS and Apache
> Hadoop map-reduce support enabled.
>         Ignite node will start with this configuration by default.
>     </description>
>   <bean
> class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"
> id="propertyConfigurer">
>     <property name="systemPropertiesModeName"
> value="SYSTEM_PROPERTIES_MODE_FALLBACK" />
>     <property name="searchSystemEnvironment" value="true" />
>   </bean>
>   <bean abstract="true"
> class="org.apache.ignite.configuration.FileSystemConfiguration"
> id="igfsCfgBase">
>     <property name="blockSize" value="#{128 * 1024}" />
>     <property name="perNodeBatchSize" value="512" />
>     <property name="perNodeParallelBatchCount" value="16" />
>     <property name="prefetchBlocks" value="32" />
>   </bean>
>   <bean abstract="true"
> class="org.apache.ignite.configuration.CacheConfiguration"
> id="dataCacheCfgBase">
>     <property name="cacheMode" value="PARTITIONED" />
>     <property name="atomicityMode" value="TRANSACTIONAL" />
>     <property name="writeSynchronizationMode" value="FULL_SYNC" />
>     <property name="backups" value="0" />
>     <property name="affinityMapper">
>       <bean class="org.apache.ignite.igfs.IgfsGroupDataBlocksKeyMapper">
>         <constructor-arg value="512" />
>       </bean>
>     </property>
>     <property name="startSize" value="#{100*1024*1024}" />
>     <property name="offHeapMaxMemory" value="0" />
>   </bean>
>   <bean abstract="true"
> class="org.apache.ignite.configuration.CacheConfiguration"
> id="metaCacheCfgBase">
>     <property name="cacheMode" value="REPLICATED" />
>     <property name="atomicityMode" value="TRANSACTIONAL" />
>     <property name="writeSynchronizationMode" value="FULL_SYNC" />
>   </bean>
>   <bean class="org.apache.ignite.configuration.IgniteConfiguration"
> id="grid.cfg">
>     <property name="failureDetectionTimeout" value="3000" />
>     <property name="hadoopConfiguration">
>       <bean class="org.apache.ignite.configuration.HadoopConfiguration">
>         <property name="finishedJobInfoTtl" value="30000" />
>       </bean>
>     </property>
>     <property name="connectorConfiguration">
>       <bean
> class="org.apache.ignite.configuration.ConnectorConfiguration">
>         <property name="port" value="11211" />
>       </bean>
>     </property>
>     <property name="fileSystemConfiguration">
>       <list>
>         <bean
> class="org.apache.ignite.configuration.FileSystemConfiguration"
> parent="igfsCfgBase">
>           <property name="name" value="igfs" />
>           <property name="metaCacheName" value="igfs-meta" />
>           <property name="dataCacheName" value="igfs-data" />
>           <property name="ipcEndpointConfiguration">
>             <bean
> class="org.apache.ignite.igfs.IgfsIpcEndpointConfiguration">
>               <property name="type" value="TCP" />
>               <property name="host" value="r1i0n12" />
>               <property name="port" value="10500" />
>             </bean>
>           </property>
>         </bean>
>       </list>
>     </property>
>     <property name="cacheConfiguration">
>       <list>
>         <bean class="org.apache.ignite.configuration.CacheConfiguration"
> parent="metaCacheCfgBase">
>           <property name="name" value="igfs-meta" />
>         </bean>
>         <bean class="org.apache.ignite.configuration.CacheConfiguration"
> parent="dataCacheCfgBase">
>           <property name="name" value="igfs-data" />
>         </bean>
>       </list>
>     </property>
>     <property name="includeEventTypes">
>       <list>
>         <ns2:constant
> static-field="org.apache.ignite.events.EventType.EVT_TASK_FAILED" xmlns:ns2=
> "http://www.springframework.org/schema/util"
> <http://www.springframework.org/schema/util> />
>         <ns2:constant
> static-field="org.apache.ignite.events.EventType.EVT_TASK_FINISHED"
> xmlns:ns2="http://www.springframework.org/schema/util"
> <http://www.springframework.org/schema/util> />
>         <ns2:constant
> static-field="org.apache.ignite.events.EventType.EVT_JOB_MAPPED" xmlns:ns2=
> "http://www.springframework.org/schema/util"
> <http://www.springframework.org/schema/util> />
>       </list>
>     </property>
>     <property name="discoverySpi">
>       <bean class="org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi">
>         <property name="ipFinder">
>           <bean
> class="org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder">
>             <property name="addresses">
>               <list>
>                 <value>r1i0n12:47500</value>
>               </list>
>             </property>
>           </bean>
>         </property>
>       </bean>
>     </property>
>   </bean>
> </beans>
>
>
>
> Quoting Denis Magda <dmagda@gridgain.com> <dmagda@gridgain.com>:
>
> Hi Joe,
>
> Great!
>
> Please see below
>
> On 10/27/2015 9:37 AM, dev@eiler.net wrote:
>
> Reducing the port range (to a single port) and lowering the
> IgniteConfiguration.setFailureDetectionTimeout to 1000 helped speed up
> everybody joining the topology and I was able to get a pi estimator run on
> 64 nodes.
>
>
> I suspect that the reason was in the number of ports specified in the
> range.  By some reason it takes significant time to get a response from
> TCP/IP stack that a connection can't be established on a particular port
> number.
> Please try to reduce the port range, lower
> TcpDiscoverySpi.setNetworkTimeout, keep
> IgniteConfiguration.setFailureDetectionTimeout's default value and share
> results with us.
>
> Thanks again for the help, I'm over the current hurdle.
> Joe
>
>
> Quoting dev@eiler.net:
>
> Thanks for the quick response Denis.
>
> I did a port range of 10 ports. I'll take a look at the
> failureDetectionTimeout and networkTimeout.
>
> Side question: Is there an easy way to map between the programmatic API
> and the spring XML properties? For instance I was trying to find the
> correct xml incantation for TcpDiscoverySpi.setMaxMissedHeartbeats(int) and
> I might have a similar issue finding
> IgniteConfiguration.setFailureDetectionTimeout(long). It seems like I can
> usually drop the set and adjust capitalization (setFooBar() == <property
> name="fooBar")
>
> Yes, your understanding is correct.
>
> Please pardon my ignorance on terminology:
> Are the nodes I run ignite.sh on considered server nodes or cluster nodes
> (I would have thought they are the same)
>
> Actually we have a notion of server and client nodes. This page contains
> extensive information on the type of nodes:
> https://apacheignite.readme.io/docs/clients-vs-servers
>
> A cluster node is just a server or client node.
>
> Regards,
> Denis
>
> Thanks,
> Joe
>
> Quoting Denis Magda <dmagda@gridgain.com> <dmagda@gridgain.com>:
>
> Hi Joe,
>
> How big is a port range, that you specified in your discovery
> configuration, for a every single node?
> Please take into account that the discovery may iterate over every port
> from the range before one node connects to the other and depending on the
> TCP related settings of your network it may take significant time before
> the cluster is assembled.
>
> Here I would recommend you to reduce the port range as much as possible
> and to play with the following network related parameters:
> - Try to use the failure detection timeout instead of setting socket, ack
> and many other timeouts explicitly (
> https://apacheignite.readme.io/docs/cluster-config#failure-detection-timeout
> );
> - Try to play with TcpDiscoverySpi.networkTimeout because this timeout is
> considered during the time when a cluster node tries to join a cluster.
>
> In order to help you with the hanging compute tasks and to give you more
> specific recommendations regarding the slow join process please provide us
> with the following:
> - config files for server and cluster nodes;
> - log files from all the nodes. Please start the nodes with
> -DIGNITE_QUIET=false virtual machine property. If you start the nodes using
> ignite.sh/bat then just pass '-v' as an argument to the script.
> - thread dumps for the nodes that are hanging waiting for the compute
> tasks to be completed.
>
> Regards,
> Denis
>
> On 10/26/2015 6:56 AM, dev@eiler.net wrote:
>
> Hi all,
>
> I have been experimenting with ignite and have run into a problem scaling
> up to larger clusters.
>
> I am playing with only two different use cases, 1) a Hadoop MapReduce
> accelerator 2) an in memory data grid (no secondary file system) being
> accessed by frameworks using the HDFS
>
> Everything works fine with a smaller cluster (8 nodes) but with a larger
> cluster (64 nodes) it takes a couple of minutes for all the nodes to
> register with the cluster(which would be ok) and mapreduce jobs just hang
> and never return.
>
> I've compiled the latest Ignite 1.4 (with ignite.edition=hadoop) from
> source, and am using it with Hadoop 2.7.1 just trying to run things like
> the pi estimator and wordcount examples.
>
> I started with the config/hadoop/default-config.xml
>
> I can't use multicast so I've configured it to use static IP based
> discovery with just a single node/port range.
>
> I've increased the heartbeat frequency to 10000 and that seemed to help
> make things more stable once all the nodes do join the cluster. I've also
> played with increasing both the socket timeout and the ack timeout but that
> seemed to just make it take longer for nodes to attempt to join the cluster
> after a failed attempt.
>
> I have access to a couple of different clusters, we allocate resources
> with slurm so I get a piece of a cluster to play with (hence the
> no-multicast restriction). The nodes all have fast networks (FDR
> InfiniBand) and a decent amount of memory (64GB-128GB) but no local storage
> (or swap space).
>
> As mentioned earlier, I disable the secondaryFilesystem.
>
> Any advice/hints/example xml configs would be extremely welcome.
>
>
> I also haven't been seeing the expected performance using the hdfs api to
> access ignite. I've tried both using the hdfs cli to do some simple timings
> of put/get and a little java program that writes then reads a file.  Even
> with small files (500MB) that should be kept completely in a single node, I
> only see about 250MB/s for writes and reads are much slower than that (4x
> to 10x).  The writes are better than hdfs (our hdfs is backed with pretty
> poor storage) but reads are much slower. Now I haven't tried scaling this
> at all but with an 8 node ignite cluster and a single "client" access a
> single file I would hope for something closer to memory speeds. (if you
> would like me to split this into another message to the list just let me
> know, I'm assuming the cause it the same---I missed a required config
> setting ;-) )
>
> Thanks in advance for any help,
> Joe
>
>
>
>
>
>
>
>
>
>
>
>

Mime
View raw message