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From "Michael Vaknine" <micha...@citypath.com>
Subject RE: 1.0.3 cassandra java.lang.AssertionError
Date Sun, 18 Dec 2011 11:05:42 GMT
Hi,
I have a new error on the same cluster is this related to the same error.

25/25
STG-Cass3 INFO [ScheduledTasks:1] 2011-12-18 10:55:28,147 StatusLogger.java
(line 88) Bedrock.BlogEntry                         0,0                 0/0
0/200000
STG-Cass3 INFO [ScheduledTasks:1] 2011-12-18 10:55:28,147 StatusLogger.java
(line 88) City.Attractions            1636995,858216765         30000/30000
30000/30000
STG-Cass3 INFO [ScheduledTasks:1] 2011-12-18 10:55:28,147 StatusLogger.java
(line 88) City.CityResources            117299,86895482           1266/5000
5000/5000
STG-Cass3 INFO [ScheduledTasks:1] 2011-12-18 10:55:28,147 StatusLogger.java
(line 88) City.AttractionCheckins                   0,0                 0/0
588/588
STG-Cass3 ERROR [EXPIRING-MAP-TIMER-1] 2011-12-18 10:55:32,371
AbstractCassandraDaemon.java (line 133) Fatal exception in thread Thread
STG-Cass3 ERROR [EXPIRING-MAP-TIMER-1] 2011-12-18 10:55:32,371
java.lang.AssertionError:
ec2-50-19-254-159.compute-1.amazonaws.com/10.5.7.76
STG-Cass3 ERROR [EXPIRING-MAP-TIMER-1] 2011-12-18 10:55:32,371 at
org.apache.cassandra.service.StorageProxy.scheduleLocalHint(StorageProxy.jav
a:339)
STG-Cass3 ERROR [EXPIRING-MAP-TIMER-1] 2011-12-18 10:55:32,371 at
org.apache.cassandra.net.MessagingService.scheduleMutationHint(MessagingServ
ice.java:201)
STG-Cass3 ERROR [EXPIRING-MAP-TIMER-1] 2011-12-18 10:55:32,371 at
org.apache.cassandra.net.MessagingService.access$500(MessagingService.java:6
4)
STG-Cass3 ERROR [EXPIRING-MAP-TIMER-1] 2011-12-18 10:55:32,371 at
org.apache.cassandra.net.MessagingService$2.apply(MessagingService.java:175)
STG-Cass3 ERROR [EXPIRING-MAP-TIMER-1] 2011-12-18 10:55:32,371 at
org.apache.cassandra.net.MessagingService$2.apply(MessagingService.java:152)
STG-Cass3 ERROR [EXPIRING-MAP-TIMER-1] 2011-12-18 10:55:32,371 at
org.apache.cassandra.utils.ExpiringMap$1.run(ExpiringMap.java:89)
STG-Cass3 ERROR [EXPIRING-MAP-TIMER-1] 2011-12-18 10:55:32,371 at
java.util.TimerThread.mainLoop(Timer.java:512)
STG-Cass3 ERROR [EXPIRING-MAP-TIMER-1] 2011-12-18 10:55:32,371 at
java.util.TimerThread.run(Timer.java:462)

Thanks
Michael

-----Original Message-----
From: Jonathan Ellis [mailto:jbellis@gmail.com] 
Sent: Tuesday, December 13, 2011 6:01 PM
To: dev@cassandra.apache.org
Subject: Re: 1.0.3 cassandra java.lang.AssertionError

It means a garbage collection took 0 ms, which is unexpected.  It's
harmless.

On Tue, Dec 13, 2011 at 1:16 AM, Michael Vaknine <michaelv@citypath.com>
wrote:
> Hi,
> I am running a 4 cluster cassandra with replication factor 3.
> I have upgraded to 1.0.3 from 0.7.6
> After a week of work I get this errors.
> Does someone know what they mean?
>
> Thanks
> Michael
>
>
> STG-Cass1 INFO [COMMIT-LOG-WRITER] 2011-12-12 22:51:19,943
CommitLogSegment.java (line 60) Creating new commitlog segment
/var/lib/cassandra/commitlog/CommitLog-1323730279943.log
> STG-Cass1 INFO [ScheduledTasks:1] 2011-12-12 22:51:40,961 GCInspector.java
(line 123) GC for ParNew: 256 ms for 1 collections, 8255093264 used; max is
12863930368
> STG-Cass2 INFO [ScheduledTasks:1] 2011-12-12 22:52:29,082 GCInspector.java
(line 123) GC for ParNew: 376 ms for 1 collections, 5685486648 used; max is
10716446720
> STG-Cass4 INFO [OptionalTasks:1] 2011-12-12 22:52:29,997
MeteredFlusher.java (line 62) flushing high-traffic column family
CFS(Keyspace='City', ColumnFamily='Attractions') (estimated 1077151192
bytes)
> STG-Cass4 INFO [OptionalTasks:1] 2011-12-12 22:52:29,997
ColumnFamilyStore.java (line 688) Enqueuing flush of
Memtable-Attractions.Attractions_09partition_idx@914182009(1019770/3881818
serialized/live bytes, 30282 ops)
> STG-Cass4 INFO [OptionalTasks:1] 2011-12-12 22:52:29,998
ColumnFamilyStore.java (line 688) Enqueuing flush of
Memtable-Attractions@977851880(193229347/1073269374 serialized/live bytes,
2552353 ops)
> STG-Cass4 INFO [FlushWriter:10] 2011-12-12 22:52:29,998 Memtable.java
(line 239) Writing
Memtable-Attractions.Attractions_09partition_idx@914182009(1019770/3881818
serialized/live bytes, 30282 ops)
> STG-Cass4 INFO [FlushWriter:10] 2011-12-12 22:52:30,060 Memtable.java
(line 275) Completed flushing
/var/lib/cassandra/data/City/Attractions.Attractions_09partition_idx-hb-94-D
ata.db (206749 bytes)
> STG-Cass4 INFO [FlushWriter:10] 2011-12-12 22:52:30,061 Memtable.java
(line 239) Writing Memtable-Attractions@977851880(193229347/1073269374
serialized/live bytes, 2552353 ops)
> STG-Cass4 INFO [CompactionExecutor:25] 2011-12-12 22:52:30,061
CompactionTask.java (line 112) Compacting
[SSTableReader(path='/var/lib/cassandra/data/City/Attractions.Attractions_09
partition_idx-hb-93-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/City/Attractions.Attractions_09p
artition_idx-hb-92-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/City/Attractions.Attractions_09p
artition_idx-hb-94-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/City/Attractions.Attractions_09p
artition_idx-hb-90-Data.db')]
> STG-Cass4 INFO [ScheduledTasks:1] 2011-12-12 22:52:30,468 GCInspector.java
(line 123) GC for ParNew: 249 ms for 1 collections, 6580227336 used; max is
12863930368
> STG-Cass4 INFO [OptionalTasks:1] 2011-12-12 22:52:31,002
MeteredFlusher.java (line 62) flushing high-traffic column family
CFS(Keyspace='User', ColumnFamily='Users') (estimated 874561935 bytes)
> STG-Cass4 INFO [OptionalTasks:1] 2011-12-12 22:52:31,014
ColumnFamilyStore.java (line 688) Enqueuing flush of
Memtable-Users.Users_09partition_idx@547620508(44385880/142668900
serialized/live bytes, 688387 ops)
> STG-Cass4 INFO [OptionalTasks:1] 2011-12-12 22:52:31,014
ColumnFamilyStore.java (line 688) Enqueuing flush of
Memtable-Users@1890450561(79912773/731893035 serialized/live bytes, 1549850
ops)
> STG-Cass4 INFO [CompactionExecutor:25] 2011-12-12 22:52:31,248
CompactionTask.java (line 213) Compacted to .  3,342,843 to 2,631,394 (~78%
of original) bytes for 1 keys at 2.114147MB/s.  Time: 1,187ms.
> STG-Cass4 INFO [FlushWriter:10] 2011-12-12 22:52:34,646 Memtable.java
(line 275) Completed flushing
/var/lib/cassandra/data/City/Attractions-hb-1301-Data.db (91834237 bytes)
> STG-Cass4 INFO [CompactionExecutor:25] 2011-12-12 22:52:34,647
CompactionTask.java (line 112) Compacting
[SSTableReader(path='/var/lib/cassandra/data/City/Attractions-hb-1298-Data.d
b'),
SSTableReader(path='/var/lib/cassandra/data/City/Attractions-hb-1299-Data.db
'),
SSTableReader(path='/var/lib/cassandra/data/City/Attractions-hb-1301-Data.db
'),
SSTableReader(path='/var/lib/cassandra/data/City/Attractions-hb-1300-Data.db
')]
> STG-Cass4 INFO [FlushWriter:10] 2011-12-12 22:52:34,648 Memtable.java
(line 239) Writing
Memtable-Users.Users_09partition_idx@547620508(44385880/142668900
serialized/live bytes, 688387 ops)
> STG-Cass4 INFO [FlushWriter:10] 2011-12-12 22:52:35,036 Memtable.java
(line 275) Completed flushing
/var/lib/cassandra/data/User/Users.Users_09partition_idx-hb-62-Data.db
(4078473 bytes)
> STG-Cass4 INFO [FlushWriter:10] 2011-12-12 22:52:35,036 Memtable.java
(line 239) Writing Memtable-Users@1890450561(79912773/731893035
serialized/live bytes, 1549850 ops)
> STG-Cass4 INFO [FlushWriter:10] 2011-12-12 22:52:38,616 Memtable.java
(line 275) Completed flushing
/var/lib/cassandra/data/User/Users-hb-1335-Data.db (40788153 bytes)
> STG-Cass4 INFO [CompactionExecutor:25] 2011-12-12 22:53:20,669
CompactionTask.java (line 213) Compacted to .  483,546,752 to 240,371,887
(~49% of original) bytes for 23,806 keys at 4.981020MB/s.  Time: 46,022ms.
> STG-Cass4 ERROR [ScheduledTasks:1] 2011-12-12 22:55:26,554
AbstractCassandraDaemon.java (line 133) Fatal exception in thread Thread
> STG-Cass4 ERROR [ScheduledTasks:1] 2011-12-12 22:55:26,554
java.lang.AssertionError
> STG-Cass4 ERROR [ScheduledTasks:1] 2011-12-12 22:55:26,554 at
org.apache.cassandra.service.GCInspector.logGCResults(GCInspector.java:103)
> STG-Cass4 ERROR [ScheduledTasks:1] 2011-12-12 22:55:26,554 at
org.apache.cassandra.service.GCInspector.access$000(GCInspector.java:41)
> STG-Cass4 ERROR [ScheduledTasks:1] 2011-12-12 22:55:26,554 at
org.apache.cassandra.service.GCInspector$1.run(GCInspector.java:85)
> STG-Cass4 ERROR [ScheduledTasks:1] 2011-12-12 22:55:26,554 at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> STG-Cass4 ERROR [ScheduledTasks:1] 2011-12-12 22:55:26,554 at
java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
> STG-Cass4 ERROR [ScheduledTasks:1] 2011-12-12 22:55:26,554 at
java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
> STG-Cass4 ERROR [ScheduledTasks:1] 2011-12-12 22:55:26,554 at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$
101(ScheduledThreadPoolExecutor.java:98)
> STG-Cass4 ERROR [ScheduledTasks:1] 2011-12-12 22:55:26,554 at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeri
odic(ScheduledThreadPoolExecutor.java:181)
> STG-Cass4 ERROR [ScheduledTasks:1] 2011-12-12 22:55:26,554 at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Sch
eduledThreadPoolExecutor.java:205)
> STG-Cass4 ERROR [ScheduledTasks:1] 2011-12-12 22:55:26,554 at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.ja
va:886)
> STG-Cass4 ERROR [ScheduledTasks:1] 2011-12-12 22:55:26,554 at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:9
08)
> STG-Cass4 ERROR [ScheduledTasks:1] 2011-12-12 22:55:26,554 at
java.lang.Thread.run(Thread.java:619)
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com


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