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HDFS-11363. Need more diagnosis info when seeing Slow waitForAckedSeqno.

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(cherry picked from commit 0914fcca312b5e9d20bcf1b6633bc13c9034ba46)
This commit is contained in:
Xiao Chen 2017-02-02 10:08:27 -08:00
parent c699ce70ea
commit b0a1703f10
1 changed files with 3 additions and 2 deletions
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5
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DataStreamer.java
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@ -847,8 +847,9 @@ void waitForAckedSeqno(long seqno) throws IOException {
} }
long duration = Time.monotonicNow() - begin; long duration = Time.monotonicNow() - begin;
if (duration > dfsclientSlowLogThresholdMs) { if (duration > dfsclientSlowLogThresholdMs) {
LOG.warn("Slow waitForAckedSeqno took " + duration LOG.warn("Slow waitForAckedSeqno took {}ms (threshold={}ms). File being"
+ "ms (threshold=" + dfsclientSlowLogThresholdMs + "ms)"); + " written: {}, block: {}, Write pipeline datanodes: {}.",
duration, dfsclientSlowLogThresholdMs, src, block, nodes);
} }
} }
} }