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https://issues.apache.org/jira/browse/IOTDB-1609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17424758#comment-17424758
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Jun Yuan commented on IOTDB-1609:
---------------------------------
It seems not only need to print out the current size, but also fix
BufferOverflowException.
> Print the actual size of plan when it exceeds the wal_buffer_size
> -----------------------------------------------------------------
>
> Key: IOTDB-1609
> URL: https://issues.apache.org/jira/browse/IOTDB-1609
> Project: Apache IoTDB
> Issue Type: Improvement
> Components: Core/Engine
> Reporter: Jialin Qiao
> Assignee: crz
> Priority: Major
> Labels: easy-fix
> Attachments: image-2021-09-02-19-14-55-569.png
>
> Original Estimate: 8h
> Remaining Estimate: 8h
>
> When a plan can not fit into the wal buffer, we throw an exception. However,
> users do not know how to set the wal_buffer_size.
>
> client：
> !image-2021-09-02-19-14-55-569.png!
>
> server：
> {code:java}
> Caused by: java.io.IOException: Log cannot fit into the buffer, please
> increase wal_buffer_sizeCaused by: java.io.IOException: Log cannot fit into
> the buffer, please increase wal_buffer_size at
> org.apache.iotdb.db.writelog.node.ExclusiveWriteLogNode.write(ExclusiveWriteLogNode.java:116)
> at
> org.apache.iotdb.db.engine.storagegroup.TsFileProcessor.insert(TsFileProcessor.java:197)
> ... 16 common frames omitted
> Caused by: java.nio.BufferOverflowException: null at
> java.nio.DirectByteBuffer.put(DirectByteBuffer.java:363) at
> java.nio.ByteBuffer.put(ByteBuffer.java:859) at
> org.apache.iotdb.tsfile.utils.ReadWriteIOUtils.write(ReadWriteIOUtils.java:232)
> at
> org.apache.iotdb.db.qp.physical.crud.InsertRowPlan.putValues(InsertRowPlan.java:391)
> at
> org.apache.iotdb.db.qp.physical.crud.InsertRowPlan.serializeMeasurementsAndValues(InsertRowPlan.java:461)
> at
> org.apache.iotdb.db.qp.physical.crud.InsertRowPlan.subSerialize(InsertRowPlan.java:447)
> at
> org.apache.iotdb.db.qp.physical.crud.InsertRowPlan.serialize(InsertRowPlan.java:441)
> at
> org.apache.iotdb.db.writelog.node.ExclusiveWriteLogNode.putLog(ExclusiveWriteLogNode.java:130)
> at
> org.apache.iotdb.db.writelog.node.ExclusiveWriteLogNode.write(ExclusiveWriteLogNode.java:111)
> ... 17 common frames omitted{code}
>
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