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https://issues.apache.org/jira/browse/CASSANDRA-1012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12860031#action_12860031
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Erick Tryzelaar edited comment on CASSANDRA-1012 at 4/22/10 5:42 PM:
---------------------------------------------------------------------
You're right, I messed up copying. Here's the real results:
------
getting against machine1:
machine1 log:
DEBUG [pool-1-thread-9] 2010-04-22 14:35:59,972 CassandraServer.java (line 232)
get_slice
DEBUG [ROW-READ-STAGE:7] 2010-04-22 14:35:59,972 StorageProxy.java (line 757)
weakreadlocal reading SliceByNamesReadCommand(table='Keyspace1', key=31,
columnParent='QueryPath(columnFamilyName='Standard1', superColumnName='null',
columnName='null')', columns=[6a6f626964,])
machine2 log: (nothing)
machine3 log: (nothing)
------
getting against machine2:
machine1 log:
DEBUG [ROW-READ-STAGE:8] 2010-04-22 14:38:06,078 ReadVerbHandler.java (line 94)
Read key [...@488ddb93; sending response to 5414@/10.0.0.2
machine2 log:
DEBUG [pool-1-thread-6] 2010-04-22 14:38:32,488 CassandraServer.java (line 232)
get_slice
DEBUG [pool-1-thread-6] 2010-04-22 14:38:32,488 StorageProxy.java (line 341)
weakreadremote reading SliceByNamesReadCommand(table='Keyspace1', key=31,
columnParent='QueryPath(columnFamilyName='Standard1', superColumnName='null',
columnName='null')', columns=[6a6f626964,])
DEBUG [pool-1-thread-6] 2010-04-22 14:38:32,489 StorageProxy.java (line 352)
weakreadremote reading SliceByNamesReadCommand(table='Keyspace1', key=31,
columnParent='QueryPath(columnFamilyName='Standard1', superColumnName='null',
columnName='null')', columns=[6a6f626964,]) from 5498@/10.0.0.1
DEBUG [RESPONSE-STAGE:6] 2010-04-22 14:38:32,491 ResponseVerbHandler.java (line
44) Processing response on an async result from 5498@/10.0.0.1
machine3 log: (nothing)
------
and nodetool does agree with machine1:
% nodetool -h machine1 ring
Address Status Load Range
Ring
mGdY41r8RNGYLXsF
10.0.0.1 Up 20.23 KB A7fozEmmpyDXlE7e
|<--|
10.0.0.3 Up 5.44 KB fQKDOQPHr2x8n1zG
| |
10.0.0.2 Up 5.44 KB mGdY41r8RNGYLXsF
|-->|
% nodetool -h machine2 ring
Address Status Load Range
Ring
mGdY41r8RNGYLXsF
10.0.0.1 Up 20.23 KB A7fozEmmpyDXlE7e
|<--|
10.0.0.3 Up 5.44 KB fQKDOQPHr2x8n1zG
| |
10.0.0.2 Up 5.44 KB mGdY41r8RNGYLXsF
|-->|
% nodetool -h machine3 ring
Address Status Load Range
Ring
mGdY41r8RNGYLXsF
10.0.0.1 Up 20.23 KB A7fozEmmpyDXlE7e
|<--|
10.0.0.3 Up 5.44 KB fQKDOQPHr2x8n1zG
| |
10.0.0.2 Up 5.44 KB mGdY41r8RNGYLXsF
|-->|
was (Author: erickt):
You're right, I messed up copying. Here's the real results:
------
getting against machine1:
machine1 log:
DEBUG [pool-1-thread-9] 2010-04-22 14:35:59,972 CassandraServer.java (line 232)
get_slice
DEBUG [ROW-READ-STAGE:7] 2010-04-22 14:35:59,972 StorageProxy.java (line 757)
weakreadlocal reading SliceByNamesReadCommand(table='Keyspace1', key=31,
columnParent='QueryPath(columnFamilyName='Standard1', superColumnName='null',
columnName='null')', columns=[6a6f626964,])
machine2 log: (nothing)
machine3 log: (nothing)
------
getting against machine2:
machine1 log:
DEBUG [ROW-READ-STAGE:8] 2010-04-22 14:38:06,078 ReadVerbHandler.java (line 94)
Read key [...@488ddb93; sending response to 5414@/10.0.0.2
machine2 log:
DEBUG [pool-1-thread-6] 2010-04-22 14:38:32,488 CassandraServer.java (line 232)
get_slice
DEBUG [pool-1-thread-6] 2010-04-22 14:38:32,488 StorageProxy.java (line 341)
weakreadremote reading SliceByNamesReadCommand(table='Keyspace1', key=31,
columnParent='QueryPath(columnFamilyName='Standard1', superColumnName='null',
columnName='null')', columns=[6a6f626964,])
DEBUG [pool-1-thread-6] 2010-04-22 14:38:32,489 StorageProxy.java (line 352)
weakreadremote reading SliceByNamesReadCommand(table='Keyspace1', key=31,
columnParent='QueryPath(columnFamilyName='Standard1', superColumnName='null',
columnName='null')', columns=[6a6f626964,]) from 5498@/10.0.0.1
DEBUG [RESPONSE-STAGE:6] 2010-04-22 14:38:32,491 ResponseVerbHandler.java (line
44) Processing response on an async result from 5498@/10.0.0.1
machine3 log: (nothing)
> Problems reading remote rows in trunk?
> --------------------------------------
>
> Key: CASSANDRA-1012
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1012
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.7
> Reporter: Erick Tryzelaar
>
> I've run into a problem with my small 3 node cluster where quorum reads do
> not return anything. I'm inserting 10 rows into a fresh database with
> replication factor 3. I've inserted with QUORUM, but when I try to read back
> at QUORUM no data gets returned. However, if I use the consistency level ONE,
> I do get results.
> I've dug a bit into this problem, and it appears that internally
> ThriftServer.getSlice is finding the column family for the given key, but
> it's not finding any of the columns, so thrift doesn't return anything.
> In order to confirm there being a problem, I dropped the RF down to 1 and
> rebuilt the cluster. I then reinserted some data, and I can only read data
> off of one machine.
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