Add Delete.setWriteToWAL functionality
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Key: HBASE-3961
URL: https://issues.apache.org/jira/browse/HBASE-3961
Project: HBase
Issue Type: Improvement
Components: client, regionserver
Reporter: Bruno Dumon
For puts, write to WAL can be disabled, but for deletes this functionality is
missing. The regionserver internally already passes around a writeToWAL flag,
but it is not possible to set this from the client.
The attached patch introduces this.
This changes the serialization format of Delete, so bumped up the version.
I verified manually that the WAL is indeed not growing when writeToWAL is set
to false.
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