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From "Billy Pearson (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1777) column length is not checked before saved to memstore
Date Tue, 18 Aug 2009 19:10:14 GMT
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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