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From "Anubhav Kale (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-7276) Include keyspace and table names in logs where possible
Date Fri, 19 Feb 2016 20:32:18 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-7276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15154819#comment-15154819
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Anubhav Kale commented on CASSANDRA-7276:
-----------------------------------------

Submitted. I tested this locally by forcing exceptions through code 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
>            Reporter: Tyler Hobbs
>            Priority: Minor
>              Labels: bootcamp, lhf
>             Fix For: 2.1.x
>
>         Attachments: 0001-Better-Logging-for-KS-and-CF.patch, 0001-Logging-for-Keyspace-and-Tables.patch,
2.1-CASSANDRA-7276-v1.txt, cassandra-2.1-7276-compaction.txt, cassandra-2.1-7276.txt, cassandra-2.1.9-7276-v2.txt,
cassandra-2.1.9-7276.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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