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From CassUser CassUser <cassu...@gmail.com>
Subject Re: Starting up cassandra 0.7
Date Thu, 18 Nov 2010 00:00:54 GMT
Bryan added a patch.  Can someone please review?  Thanks.

On Wed, Nov 17, 2010 at 12:10 PM, CassUser CassUser <cassuser@gmail.com>wrote:

> We are putting together a patch for that.  Also updating the unit test to
> capture this case.  It wasn't failing as a result of it being backwards.
>
>
> On Wed, Nov 17, 2010 at 11:51 AM, CassUser CassUser <cassuser@gmail.com>wrote:
>
>> Thanks for looking into that. I created a jira issue for it:
>>
>> https://issues.apache.org/jira/browse/CASSANDRA-1753
>>
>>
>>
>> On Wed, Nov 17, 2010 at 11:28 AM, Aaron Morton <aaron@thelastpickle.com>wrote:
>>
>>> That does look like a bug
>>> http://www.mail-archive.com/dev@cassandra.apache.org/msg01167.html
>>>
>>>  <http://www.mail-archive.com/dev@cassandra.apache.org/msg01167.html>
>>> Aaron
>>>
>>>
>>> On 17 Nov, 2010,at 03:55 PM, Aaron Morton <aaron@thelastpickle.com>
>>> wrote:
>>>
>>> It's certainly looks suspect. I've had a look at the code around
>>> SSTableImport and SSTableExport and the isDeleted value for the col is based
>>> on IColumn.isMarkedForDelete read when the data was exported. I'll try to
>>> have a look tonight, or if someone is still up in the states they may help.
>>> The current 0.7 branch has the same code.
>>>
>>> Are there any other errors in the log?
>>>
>>> The code sample you've got there uses the TimestampClocks that were once
>>> a part of the 0.7 development, but have been removed. So your data sample
>>> may not be usable going forwards. Can you jump to beta3?
>>>
>>> Aaron
>>>
>>>
>>>
>>> On 17 Nov, 2010,at 02:03 PM, CassUser CassUser <cassuser@gmail.com>
>>> wrote:
>>>
>>>  Looking at this closer.  I noticed the following in the SSTableImport
>>> Class:
>>>
>>>             if (col.isDeleted) {
>>>                 cfamily.addColumn(path, hexToBytes(col.value), new
>>> TimestampClock(col.timestamp));
>>>             } else {
>>>                 cfamily.addTombstone(path, hexToBytes(col.value), new
>>> TimestampClock(col.timestamp));
>>>             }
>>>
>>> This appears to be backwards.
>>>
>>>
>>> On Tue, Nov 16, 2010 at 4:03 PM, CassUser CassUser <cassuser@gmail.com>wrote:
>>>
>>>> Looked at how DatabaseDescriptor is loading the yaml file.  Using that
>>>> approach solves the problem with the column_families mapping exception.
>>>>
>>>> The problems we are running into currently is regarding a known dataset
>>>> not being loaded into our test instance correctly.
>>>>
>>>> Steps:
>>>> 1.  Create temp directory to host cassandra test instance
>>>> 2.  Create keyspace directories
>>>> 3  Update yaml file, and copy to test location
>>>> 4.  Add schema from yaml using DatabaseDescriptor.
>>>> readTablesFromYaml() & DatabaseDescriptor.
>>>> setTableDefinition
>>>> 4.  Use SSTableImport.importJson to setup a known dataset.  We have JSON
>>>> files converted to 0.7 compliant (byte [] rows)
>>>> 5.  Start Cassandra instance using the EmbeddedCassandraService class
>>>>
>>>> Everything appears to work from the log messages.  I get the message "
>>>> Sampling index for ..", and finally "Listening for thrift clients...".  When
>>>> i use a client to query the data in test instance, I notice keys with no
>>>> columns/values stored (via keyrange slice).  Using a open ended column slice
>>>> for a known key I'm getting zero results.
>>>>
>>>> I'm currently running cassandra 0.7. beta2.  Is the steps I've outlined
>>>> above suppose to work in 0.7?  We did something similar in 0.6.4 without
any
>>>> problems.  Is there known bugs I can look into?
>>>>
>>>> Thanks.
>>>>
>>>>
>>>>
>>>>
>>>> On Tue, Nov 16, 2010 at 12:24 PM, Aaron Morton <aaron@thelastpickle.com
>>>> > wrote:
>>>>
>>>>> I've not used the embedded service.
>>>>>
>>>>> The code in o.a.c.service.EmbeddedCassandraService says it will read
>>>>> the yaml file. If the cluster does not have a schema stored I think it
will
>>>>> load the one from yaml.
>>>>>
>>>>> Have you tried starting it up with an empty system data dir ? Does it
>>>>> pickup the schema from the yaml?
>>>>>
>>>>> Aaron
>>>>>
>>>>>
>>>>> On 17 Nov, 2010,at 09:17 AM, CassUser CassUser <cassuser@gmail.com>
>>>>> wrote:
>>>>>
>>>>>
>>>>> Loading yaml file like so:
>>>>>         FileInputStream yamlInputStream = new FileInputStream(
>>>>>                 configTemplateFile);
>>>>>         Constructor constructor = new Constructor(Config.class);
>>>>>         Yaml yaml = new Yaml(new Loader(constructor));
>>>>>         Config conf = (Config) yaml.load(yamlInputStream);
>>>>>
>>>>> Fails on the last line.
>>>>>
>>>>> Although if i have the CFs defined like this:
>>>>> keyspaces:
>>>>> - column_families:
>>>>>   - !!org.apache.cassandra.config.RawColumnFamily
>>>>>     column_metadata: []
>>>>>     column_type: null
>>>>>     comment: null
>>>>>     compare_subcolumns_with: null
>>>>>     compare_with: BytesType
>>>>>     default_validation_class: null
>>>>>     gc_grace_seconds: 864000
>>>>>     keys_cached: 200000.0
>>>>>     max_compaction_threshold: 32
>>>>>     min_compaction_threshold: 4
>>>>>     name: Similarity
>>>>>     preload_row_cache: false
>>>>>     read_repair_chance: 1.0
>>>>>     rows_cached: 0.0
>>>>>
>>>>>
>>>>> it appears to startup.  Any idea whats going on here?
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Nov 16, 2010 at 11:58 AM, CassUser CassUser <
>>>>> cassuser@gmail.com> wrote:
>>>>>
>>>>>>
>>>>>> This is embedded for testing cassandra 0.7 beta2.  using
>>>>>> EmbeddedCassandraService.
>>>>>>
>>>>>> and manually adding schema programmatically using:
>>>>>>         for (KSMetaData table :
>>>>>> DatabaseDescriptor.readTablesFromYaml()) {
>>>>>>             for (CFMetaData cfm : table.cfMetaData().values()) {
>>>>>>                 CFMetaData.map(cfm);
>>>>>>             }
>>>>>>             DatabaseDescriptor.setTableDefinition(table,
>>>>>>                     DatabaseDescriptorgetDefsVersion());
>>>>>>         }
>>>>>>
>>>>>> Is this the correct way to start up a test server, with the schema
>>>>>> loaded?
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, Nov 16, 2010 at 11:41 AM, Aaron Morton <
>>>>>> aaron@thelastpickle.com> wrote:
>>>>>>
>>>>>>>
>>>>>>> AFAIK the ArrayStoreException is similar to a type mismatch Is
it
>>>>>>> possible you have something mixed up in your class path or source
code if
>>>>>>> you built from source?
>>>>>>>
>>>>>>> It looks like the column family info was deserialised into a
>>>>>>> o.a.c.config.RawColumnFamily but when that object was added to
the
>>>>>>> RawColumnFamily[] array on o.a.c.config.RawKeyspace if was the
wrong type.
>>>>>>>
>>>>>>> Have you tried a clean build ? There are some things in the call
>>>>>>> stack which look custom, are you starting from the command line
or is this
>>>>>>> embedded for testing?
>>>>>>>
>>>>>>> Hope that helps.
>>>>>>> Aaron
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On 17 Nov, 2010,at 08:09 AM, CassUser CassUser <cassuser@gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Here is the yaml:
>>>>>>>
>>>>>>> # Cassandra YAML generated from previous config
>>>>>>> # Configuration wiki:
>>>>>>> http://wiki.apache.org/cassandra/StorageConfiguration
>>>>>>>  authenticator: org.apache.cassandraauth.AllowAllAuthenticator
>>>>>>>
>>>>>>>
>>>>>>> auto_bootstrap: false
>>>>>>> binary_memtable_throughput_in_mb: 256
>>>>>>> cluster_name: Test Cluster
>>>>>>> column_index_size_in_kb: 64
>>>>>>> commitlog_rotation_threshold_in_mb: 128
>>>>>>> commitlog_sync: periodic
>>>>>>> commitlog_sync_period_in_ms: 10000
>>>>>>> compaction_thread_priority: 1
>>>>>>> concurrent_reads: 8
>>>>>>> concurrent_writes: 32
>>>>>>> disk_access_mode: auto
>>>>>>> dynamic_snitch: false
>>>>>>> endpoint_snitch: org.apache.cassandra.locator.SimpleSnitch
>>>>>>> request_scheduler: org.apache.cassandra.scheduler.RoundRobinScheduler
>>>>>>> request_scheduler_id: keyspace
>>>>>>> hinted_handoff_enabled: true
>>>>>>> in_memory_compaction_limit_in_mb: 128
>>>>>>> index_interval: 128
>>>>>>> keyspaces:
>>>>>>>     - name: myKeyspace
>>>>>>>
>>>>>>>       replica_placement_strategy:
>>>>>>> orgapache.cassandra.locator.SimpleStrategy
>>>>>>>
>>>>>>>
>>>>>>>       replication_factor: 1
>>>>>>>       column_families:
>>>>>>>         - name: Standard1
>>>>>>>           rows_cached: 100
>>>>>>>           keys_cached: 1
>>>>>>>           compare_with: UTF8Type
>>>>>>> memtable_flush_after_mins: 60
>>>>>>> memtable_operations_in_millions: 0.3
>>>>>>> memtable_throughput_in_mb: 64
>>>>>>> partitioner: org.apache.cassandra.dht.RandomPartitioner
>>>>>>> phi_convict_threshold: 8
>>>>>>> rpc_keepalive: true
>>>>>>> rpc_port: 9160
>>>>>>> rpc_timeout_in_ms: 10000
>>>>>>> sliced_buffer_size_in_kb: 64
>>>>>>> snapshot_before_compaction: false
>>>>>>> storage_port: 7000
>>>>>>> thrift_framed_transport_size_in_mb: 15
>>>>>>> thrift_max_message_length_in_mb: 16
>>>>>>>
>>>>>>> and here is the exception i'm receiving:
>>>>>>>
>>>>>>> Caused by: Can't construct a java object for tag:yaml.org,2002:org.apachecassandra.config.Config;
>>>>>>> exception=Cannot create property=keyspaces for Java
>>>>>>> Bean=org.apache.cassandra.config.Config@12e43f1; Cannot create
>>>>>>> property=column_families for
>>>>>>> JavaBean=org.apache.cassandra.config.RawKeyspace@1a8bd74;
>>>>>>> null
>>>>>>>  in "<reader>", line 3, column 1:
>>>>>>>     authenticator: org.apache.cassan ...
>>>>>>>     ^
>>>>>>>
>>>>>>>         at
>>>>>>> org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.construct(Constructor.java:372)
>>>>>>>         at
>>>>>>> org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructorjava:177)
>>>>>>>          at
>>>>>>> org.yaml.snakeyamlconstructor.BaseConstructorconstructDocument(BaseConstructor.java:136)
>>>>>>>
>>>>>>>
>>>>>>>         at
>>>>>>> org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:122)
>>>>>>>         at org.yaml.snakeyaml.Loader.load(Loader.java:52)
>>>>>>>         at org.yaml.snakeyaml.Yaml.load(Yaml.java:166)
>>>>>>>         at
>>>>>>> com.atsid.cassandra.testutils.CassandraTestRunner.updateYamlConfig(CassandraTestRunner.java:134)
>>>>>>>         at
>>>>>>> com.atsid.cassandra.testutils.CassandraTestRunner.init(CassandraTestRunner.java:119)
>>>>>>>         at
>>>>>>> com.atsid.cassandra.testutils.CassandraTestRunner.main(CassandraTestRunner.java:272)
>>>>>>>         ... 6 more
>>>>>>> Caused by: org.yaml.snakeyaml.error.YAMLException: Cannot create
>>>>>>> property=keyspaces for JavaBean=org.apache.cassandraconfig.Config@12e43f1;
>>>>>>> Cannot cr
>>>>>>> eate property=column_families for
>>>>>>> JavaBean=org.apache.cassandra.config.RawKeyspace@1a8bd74; null
>>>>>>>         at
>>>>>>> org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.constructJavaBean2ndStep(Constructor.java:305)
>>>>>>>         at
>>>>>>> org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.construct(Constructor.java:184)
>>>>>>>         at
>>>>>>> org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.construct(Constructor.java:370)
>>>>>>>         ... 14 more
>>>>>>> Caused by: org.yaml.snakeyaml.error.YAMLException: Cannot create
>>>>>>> property=column_families for
>>>>>>> JavaBean=org.apache.cassandra.config.RawKeyspace@1a8bd74
>>>>>>> ; null
>>>>>>>         at
>>>>>>> org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.constructJavaBean2ndStep(Constructor.java:305)
>>>>>>>         at
>>>>>>> org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.construct(Constructor.java:184)
>>>>>>>         at
>>>>>>> org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructor.java:177)
>>>>>>>         at
>>>>>>> org.yaml.snakeyaml.constructor.BaseConstructor.constructSequenceStep2(BaseConstructor.java:239)
>>>>>>>         at
>>>>>>> org.yaml.snakeyaml.constructor.BaseConstructor.constructSequence(BaseConstructor.java:233)
>>>>>>>         at
>>>>>>> org.yaml.snakeyaml.constructorConstructor$ConstructSequence.construct(Constructor.java:543)
>>>>>>>
>>>>>>>         at
>>>>>>> org.yaml.snakeyaml.constructor.BaseConstructorconstructObject(BaseConstructor.java:177)
>>>>>>>         at
>>>>>>> org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.constructJavaBean2ndStep(Constructor.java:298)
>>>>>>>         ... 16 more
>>>>>>> Caused by: java.lang.ArrayStoreException
>>>>>>>         at java.lang.System.arraycopy(Native Method)
>>>>>>>         at java.util.Arrays.copyOf(Arrays.java:2763)
>>>>>>>         at java.util.ArrayList.toArray(ArrayList.java:305)
>>>>>>>         at
>>>>>>> org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.constructJavaBean2ndStep(Constructor.java:301)
>>>>>>>         ... 23 more
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>

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