[jira] [Created] (HBASE-24364) [Chaos Monkey] Invalid data block encoding in ChangeEncodingAction

["Yi Mei (Jira)" <ji...@apache.org>]

Yi Mei created HBASE-24364:
------------------------------

             Summary: [Chaos Monkey] Invalid data block encoding in ChangeEncodingAction
                 Key: HBASE-24364
                 URL: https://issues.apache.org/jira/browse/HBASE-24364
             Project: HBase
          Issue Type: Bug
            Reporter: Yi Mei


I found the following exception when I run ITBLL:
{code:java}
2020-05-12 11:43:14,201 WARN  [ChaosMonkey] policies.Policy: Exception performing action:
java.lang.IllegalArgumentException: There is no data block encoder for given id '6'
        at org.apache.hadoop.hbase.io.encoding.DataBlockEncoding.getEncodingById(DataBlockEncoding.java:168)
        at org.apache.hadoop.hbase.chaos.actions.ChangeEncodingAction.lambda$perform$0(ChangeEncodingAction.java:50)
        at org.apache.hadoop.hbase.chaos.actions.Action.modifyAllTableColumns(Action.java:356)
        at org.apache.hadoop.hbase.chaos.actions.ChangeEncodingAction.perform(ChangeEncodingAction.java:48)
        at org.apache.hadoop.hbase.chaos.policies.PeriodicRandomActionPolicy.runOneIteration(PeriodicRandomActionPolicy.java:59)
        at org.apache.hadoop.hbase.chaos.policies.PeriodicPolicy.run(PeriodicPolicy.java:41)
        at java.lang.Thread.run(Thread.java:748)
{code}
Because PREFIX_TREE is removed in DataBlockEncoding:
{code:java}
/** Disable data block encoding. */
NONE(0, null),
// id 1 is reserved for the BITSET algorithm to be added later
PREFIX(2, "org.apache.hadoop.hbase.io.encoding.PrefixKeyDeltaEncoder"),
DIFF(3, "org.apache.hadoop.hbase.io.encoding.DiffKeyDeltaEncoder"),
FAST_DIFF(4, "org.apache.hadoop.hbase.io.encoding.FastDiffDeltaEncoder"),
// id 5 is reserved for the COPY_KEY algorithm for benchmarking
// COPY_KEY(5, "org.apache.hadoop.hbase.io.encoding.CopyKeyDataBlockEncoder"),
// PREFIX_TREE(6, "org.apache.hadoop.hbase.codec.prefixtree.PrefixTreeCodec"),
ROW_INDEX_V1(7, "org.apache.hadoop.hbase.io.encoding.RowIndexCodecV1");
{code}



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