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HDFS-7932. Speed up the shutdown of datanode during rolling upgrade. Contributed by Kihwal Lee. 

(cherry picked from commit 61a4c7fc98)
This commit is contained in:
Kihwal Lee 2015-03-19 12:29:16 -05:00
parent 4821f0cdb7
commit 4e967d0bcd
2 changed files with 6 additions and 3 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -893,6 +893,8 @@ Release 2.7.0 - UNRELEASED
HDFS-7816. Unable to open webhdfs paths with "+". (wheat9 via kihwal)
HDFS-7932. Speed up the shutdown of datanode during rolling upgrade.(kihwal)
BREAKDOWN OF HDFS-7584 SUBTASKS AND RELATED JIRAS
HDFS-7720. Quota by Storage Type API, tools and ClientNameNode

7
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
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@ -1731,8 +1731,9 @@ public class DataNode extends ReconfigurableBase
// termination of receiver threads.
if (!this.shutdownForUpgrade ||
(this.shutdownForUpgrade && (Time.monotonicNow() - timeNotified
> 2500))) {
> 1000))) {
this.threadGroup.interrupt();
break;
}
LOG.info("Waiting for threadgroup to exit, active threads is " +
this.threadGroup.activeCount());
@ -1743,8 +1744,8 @@ public class DataNode extends ReconfigurableBase
Thread.sleep(sleepMs);
} catch (InterruptedException e) {}
sleepMs = sleepMs * 3 / 2; // exponential backoff
if (sleepMs > 1000) {
sleepMs = 1000;
if (sleepMs > 200) {
sleepMs = 200;
}
}
this.threadGroup = null;