HDFS-742. A down DataNode makes Balancer to hang on repeatingly asking NameNode its partial block list. Contributed by Mit Desai.
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@ -849,6 +849,13 @@ public class Dispatcher {
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+ ", scheduledSize=" + getScheduledSize()
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+ ", srcBlocks#=" + srcBlocks.size());
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}
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// check if time is up or not
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if (Time.monotonicNow() - startTime > MAX_ITERATION_TIME) {
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LOG.info("Time up (max time=" + MAX_ITERATION_TIME/1000
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+ " seconds). Skipping " + this);
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isTimeUp = true;
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continue;
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}
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final PendingMove p = chooseNextMove();
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if (p != null) {
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// Reset no pending move counter
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@ -886,14 +893,6 @@ public class Dispatcher {
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}
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}
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// check if time is up or not
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if (Time.monotonicNow() - startTime > MAX_ITERATION_TIME) {
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LOG.info("Time up (max time=" + MAX_ITERATION_TIME/1000
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+ " seconds). Skipping " + this);
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isTimeUp = true;
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continue;
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}
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// Now we can not schedule any block to move and there are
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// no new blocks added to the source block list, so we wait.
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try {
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