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From "Stu Hood" <stu.h...@rackspace.com>
Subject RE: more info CASSANDRA-1472
Date Mon, 01 Nov 2010 04:50:48 GMT
I can't reproduce this, but I've posted a rebased version on #1472 that you can try out. Thanks
for trying it out!


-----Original Message-----
From: "dragos cernahoschi" <dragos.cernahoschi@gmail.com>
Sent: Friday, October 29, 2010 10:38am
To: dev@cassandra.apache.org
Subject: more info CASSANDRA-1472

The stress.py command:

1. python contrib/py_stress/stress.py -C 32 -x keys_bitmap

2. more info from stack trace:

10/10/29 18:15:28 INFO db.Memtable: Writing
Memtable-Standard1@23048841(17806140
bytes, 349140 operations)
10/10/29 18:15:29 INFO service.GCInspector: GC for PS MarkSweep: 789 ms,
7178512 reclaimed leaving 320182640 used; max is 1383202816
10/10/29 18:15:31 ERROR service.AbstractCassandraDaemon: Fatal exception in
thread Thread[FlushWriter:1,5,main]
java.lang.RuntimeException: java.lang.ArrayIndexOutOfBoundsException: 1
    at
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34)
    at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
    at java.util.concurrent.FutureTask$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: java.lang.ArrayIndexOutOfBoundsException: 1
    at
org.apache.avro.io.ResolvingDecoder.readEnum(ResolvingDecoder.java:177)
    at
org.apache.avro.generic.GenericDatumReader.readEnum(GenericDatumReader.java:172)
    at
org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:115)
    at
org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:118)
    at
org.apache.avro.generic.GenericDatumReader.readRecord(GenericDatumReader.java:142)
    at
org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:114)
    at
org.apache.avro.generic.GenericDatumReader.readRecord(GenericDatumReader.java:142)
    at
org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:114)
    at
org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:105)
    at
org.apache.cassandra.io.SerDeUtils.deserializeWithSchema(SerDeUtils.java:112)
    at
org.apache.cassandra.io.sstable.bitidx.BitmapIndexReader.open(BitmapIndexReader.java:87)
    at
org.apache.cassandra.io.sstable.SSTableWriter.closeAndOpenReader(SSTableWriter.java:196)
    at
org.apache.cassandra.io.sstable.SSTableWriter.closeAndOpenReader(SSTableWriter.java:178)
    at
org.apache.cassandra.db.Memtable.writeSortedContents(Memtable.java:160)
    at org.apache.cassandra.db.Memtable.access$1(Memtable.java:152)
    at org.apache.cassandra.db.Memtable$1.runMayThrow(Memtable.java:172)
    at
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
    ... 6 more
10/10/29 18:15:38 INFO service.GCInspector: GC for PS MarkSweep: 896 ms,
72939816 reclaimed leaving 341851792 used; max is 1359740928
10/10/29 18:15:38 INFO service.GCInspector: GC for PS Scavenge: 312 ms,
188201560 reclaimed leaving 414791608 used; max is 1359740928
10/10/29 18:15:40 INFO db.ColumnFamilyStore: switching in a fresh Memtable
for Standard1 at
CommitLogContext(file='/home/dragos/cassandra/commitlog/CommitLog-1288365280350.log',
position=111458032)
10/10/29 18:15:40 INFO db.ColumnFamilyStore: Enqueuing flush of
Memtable-Standard1@25762909(17806140 bytes, 349140 operations)
10/10/29 18:15:40 INFO db.Memtable: Writing
Memtable-Standard1@25762909(17806140
bytes, 349140 operations)
10/10/29 18:15:43 INFO service.GCInspector: GC for PS MarkSweep: 1309 ms,
293768 reclaimed leaving 456751520 used; max is 1349451776
10/10/29 18:15:43 INFO service.GCInspector: Pool Name
Active   Pending
10/10/29 18:15:43 INFO service.GCInspector:
ResponseStage                     0         0
10/10/29 18:15:43 INFO service.GCInspector:
ReadStage                         0         0
10/10/29 18:15:43 INFO service.GCInspector:
ReadRepair                        0         0
10/10/29 18:15:43 INFO service.GCInspector: MutationStage
32        49
10/10/29 18:15:43 INFO service.GCInspector:
GossipStage                       0         0
10/10/29 18:15:43 INFO service.GCInspector:
AntientropyStage                  0         0
10/10/29 18:15:43 INFO service.GCInspector:
MigrationStage                    0         0
10/10/29 18:15:43 INFO service.GCInspector:
StreamStage                       0         0
10/10/29 18:15:43 INFO service.GCInspector:
MemtablePostFlusher               1         3
10/10/29 18:15:43 INFO service.GCInspector:
FlushWriter                       1         1
10/10/29 18:15:43 INFO service.GCInspector:
MiscStage                         0         0
10/10/29 18:15:43 INFO service.GCInspector:
FlushSorter                       0         0
10/10/29 18:15:43 INFO service.GCInspector: CompactionManager
n/a         0
10/10/29 18:15:43 INFO service.GCInspector: MessagingService
n/a       0,0
10/10/29 18:15:43 INFO service.GCInspector: ColumnFamily
Memtable ops,data  Row cache size/cap  Key cache size/cap
10/10/29 18:15:43 INFO service.GCInspector:
Keyspace1.Super1                          0,0                 0/0
0/200000
10/10/29 18:15:43 INFO service.GCInspector: Keyspace1.Standard1
67080,3421080                 0/0            0/200000
10/10/29 18:15:43 INFO service.GCInspector:
system.LocationInfo                      1,17
0/0                 1/2
10/10/29 18:15:43 INFO service.GCInspector:
system.HintsColumnFamily                  0,0
0/0                 0/1
10/10/29 18:15:43 INFO service.GCInspector:
system.Migrations                         0,0
0/0                 0/1
10/10/29 18:15:43 INFO service.GCInspector:
system.Schema                             0,0
0/0                 0/1
10/10/29 18:15:43 INFO service.GCInspector:
system.IndexInfo                          0,0
0/0                 0/1
10/10/29 18:15:43 INFO service.GCInspector: GC for PS Scavenge: 398 ms,
234385872 reclaimed leaving 457045288 used; max is 1349451776



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