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Date: Mon, 28 Sep 2015 14:39:05 +0000 (UTC)
From: "Paulo Motta (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
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Subject: [jira] [Commented] (CASSANDRA-7276) Include keyspace and table
 names in logs where possible
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    [ https://issues.apache.org/jira/browse/CASSANDRA-7276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14933377#comment-14933377 ] 

Paulo Motta commented on CASSANDRA-7276:
----------------------------------------

[~yukim] mind if I take this for review as it might be related to the recent logging changes?

> Include keyspace and table names in logs where possible
> -------------------------------------------------------
>
>                 Key: CASSANDRA-7276
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7276
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Tyler Hobbs
>            Assignee: Nitzan Volman
>            Priority: Minor
>              Labels: bootcamp, lhf
>             Fix For: 2.1.x
>
>         Attachments: 2.1-CASSANDRA-7276-v1.txt, cassandra-2.1-7276-compaction.txt, cassandra-2.1-7276.txt
>
>
> Most error messages and stacktraces give you no clue as to what keyspace or table was causing the problem.  For example:
> {noformat}
> ERROR [MutationStage:61648] 2014-05-20 12:05:45,145 CassandraDaemon.java (line 198) Exception in thread Thread[MutationStage:61648,5,main]
> java.lang.IllegalArgumentException
>     at java.nio.Buffer.limit(Unknown Source)
>     at org.apache.cassandra.db.marshal.AbstractCompositeType.getBytes(AbstractCompositeType.java:63)
>     at org.apache.cassandra.db.marshal.AbstractCompositeType.getWithShortLength(AbstractCompositeType.java:72)
>     at org.apache.cassandra.db.marshal.AbstractCompositeType.compare(AbstractCompositeType.java:98)
>     at org.apache.cassandra.db.marshal.AbstractCompositeType.compare(AbstractCompositeType.java:35)
>     at edu.stanford.ppl.concurrent.SnapTreeMap$1.compareTo(SnapTreeMap.java:538)
>     at edu.stanford.ppl.concurrent.SnapTreeMap.attemptUpdate(SnapTreeMap.java:1108)
>     at edu.stanford.ppl.concurrent.SnapTreeMap.updateUnderRoot(SnapTreeMap.java:1059)
>     at edu.stanford.ppl.concurrent.SnapTreeMap.update(SnapTreeMap.java:1023)
>     at edu.stanford.ppl.concurrent.SnapTreeMap.putIfAbsent(SnapTreeMap.java:985)
>     at org.apache.cassandra.db.AtomicSortedColumns$Holder.addColumn(AtomicSortedColumns.java:328)
>     at org.apache.cassandra.db.AtomicSortedColumns.addAllWithSizeDelta(AtomicSortedColumns.java:200)
>     at org.apache.cassandra.db.Memtable.resolve(Memtable.java:226)
>     at org.apache.cassandra.db.Memtable.put(Memtable.java:173)
>     at org.apache.cassandra.db.ColumnFamilyStore.apply(ColumnFamilyStore.java:893)
>     at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:368)
>     at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:333)
>     at org.apache.cassandra.db.RowMutation.apply(RowMutation.java:206)
>     at org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:56)
>     at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:60)
>     at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
>     at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
>     at java.lang.Thread.run(Unknown Source)
> {noformat}
> We should try to include info on the keyspace and column family in the error messages or logs whenever possible.  This includes reads, writes, compactions, flushes, repairs, and probably more.


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