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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2009/08/18 21:20:14 UTC
[jira] Commented: (HBASE-1777) column length is not checked before
saved to memstore
[ https://issues.apache.org/jira/browse/HBASE-1777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12744659#action_12744659 ]
stack commented on HBASE-1777:
------------------------------
Good one Billy. Lets fix in 0.20.1.
> column length is not checked before saved to memstore
> -----------------------------------------------------
>
> Key: HBASE-1777
> URL: https://issues.apache.org/jira/browse/HBASE-1777
> Project: Hadoop HBase
> Issue Type: Bug
> Components: client
> Affects Versions: 0.20.0
> Reporter: Billy Pearson
> Fix For: 0.20.1
>
>
> I added some debuging to line 511 in HFile.java and found that the column is causing my problem it was > max size
> we should check this before saving the record to memstore
> As of 0.20.0-RC2 the server dies and cause the hlogs to be read again by the next region server that gets the region in the end it cause the whole cluster to go down sense the bad data is in the hlog at this point.
> {code}
> 2009-08-18 12:54:16,572 FATAL
> org.apache.hadoop.hbase.regionserver.MemStoreFlusher: Replay of hlog
> required. Forcing server shutdown
> org.apache.hadoop.hbase.DroppedSnapshotException: region:
> webdata,http:\x2F\x2Fanaal-genomen.isporno.nl\x2F,1250569930062
> at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:950)
> at org.apache.hadoop.hbase.regionserver.HRegion.flushcache(HRegion.java:843)
> at org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:241)
> at org.apache.hadoop.hbase.regionserver.MemStoreFlusher.run(MemStoreFlusher.java:149)
> Caused by: java.io.IOException: Key length 183108 > 65536
> at org.apache.hadoop.hbase.io.hfile.HFile$Writer.checkKey(HFile.java:511)
> at org.apache.hadoop.hbase.io.hfile.HFile$Writer.append(HFile.java:479)
> at org.apache.hadoop.hbase.io.hfile.HFile$Writer.append(HFile.java:447)
> at org.apache.hadoop.hbase.regionserver.Store.internalFlushCache(Store.java:525)
> at org.apache.hadoop.hbase.regionserver.Store.flushCache(Store.java:489)
> at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:935)
> ... 3 more
> {code}
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