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https://issues.apache.org/jira/browse/HDDS-2355?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bharat Viswanadham resolved HDDS-2355.
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Resolution: Fixed
> Om double buffer flush termination with rocksdb error
> -----------------------------------------------------
>
> Key: HDDS-2355
> URL: https://issues.apache.org/jira/browse/HDDS-2355
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Bharat Viswanadham
> Assignee: Aravindan Vijayan
> Priority: Blocker
> Fix For: 0.5.0
>
>
> om_1 |java.io.IOException: Unable to write the batch.
> om_1 | at
> [org.apache.hadoop.hdds.utils.db.RDBBatchOperation.commit(RDBBatchOperation.java:48|http://org.apache.hadoop.hdds.utils.db.rdbbatchoperation.commit%28rdbbatchoperation.java:48/])
> om_1 | at
> [org.apache.hadoop.hdds.utils.db.RDBStore.commitBatchOperation(RDBStore.java:240|http://org.apache.hadoop.hdds.utils.db.rdbstore.commitbatchoperation%28rdbstore.java:240/])
> om_1 |at
> org.apache.hadoop.ozone.om.ratis.OzoneManagerDoubleBuffer.flushTransactions(OzoneManagerDoubleBuffer.java:146)
> om_1 |at java.base/java.lang.Thread.run(Thread.java:834)
> om_1 |Caused by: org.rocksdb.RocksDBException:
> WritePrepared/WriteUnprepared txn tag when write_after_commit_ is enabled (in
> default WriteCommitted mode). If it is not due to corruption, the WAL must be
> emptied before changing the WritePolicy.
> om_1 |at org.rocksdb.RocksDB.write0(Native Method)
> om_1 |at org.rocksdb.RocksDB.write(RocksDB.java:1421)
> om_1 | at
> [org.apache.hadoop.hdds.utils.db.RDBBatchOperation.commit(RDBBatchOperation.java:46|http://org.apache.hadoop.hdds.utils.db.rdbbatchoperation.commit%28rdbbatchoperation.java:46/])
>
> In few of my test run's i see this error and OM is terminated.
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