liuguanghua created HDFS-17806:
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Summary: Increase EC file getFileChecksum timeout
Key: HDFS-17806
URL: https://issues.apache.org/jira/browse/HDFS-17806
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: liuguanghua
Assignee: liuguanghua
java.net.SocketTimeoutException: 3000 millis timeout while waiting for channel
to be ready for read. ch : java.nio.channels.SocketChannel[connected
local=/****:48666 remote=/****:50010]
at org.apache.hadoop.net.SocketIOWithTimeout.doIO(SocketIOWithTimeout.java:163)
at org.apache.hadoop.net.SocketInputStream.read(SocketInputStream.java:161)
at org.apache.hadoop.net.SocketInputStream.read(SocketInputStream.java:131)
at org.apache.hadoop.net.SocketInputStream.read(SocketInputStream.java:118)
at java.io.FilterInputStream.read(FilterInputStream.java:83)
at java.io.FilterInputStream.read(FilterInputStream.java:83)
at
org.apache.hadoop.hdfs.protocolPB.PBHelperClient.vintPrefixed(PBHelperClient.java:520)
at
org.apache.hadoop.hdfs.server.datanode.BlockChecksumHelper$BlockGroupNonStripedChecksumComputer.checksumBlock(BlockChecksumHelper.java:632)
at
org.apache.hadoop.hdfs.server.datanode.BlockChecksumHelper$BlockGroupNonStripedChecksumComputer.compute(BlockChecksumHelper.java:493)
at
org.apache.hadoop.hdfs.server.datanode.DataXceiver.blockGroupChecksum(DataXceiver.java:1107)
at
org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opStripedBlockChecksum(Receiver.java:336)
at
org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:123)
at org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:314)
at java.lang.Thread.run(Thread.java:748)
When getFileChecksum with ec file , Datanode will throw SocketTimeoutException
when load is high. We should increase EC socket timeout
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