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From dlmarion <...@git.apache.org>
Subject [GitHub] accumulo pull request: ACCUMULO-1755: Modified TSBW so that all cl...
Date Sat, 27 Feb 2016 00:29:24 GMT
Github user dlmarion commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/75#discussion_r54321264
  
    --- Diff: core/src/main/java/org/apache/accumulo/core/client/impl/TabletServerBatchWriter.java
---
    @@ -638,6 +648,21 @@ public MutationWriter(int numSendThreads) {
           queued = new HashSet<String>();
           sendThreadPool = new SimpleThreadPool(numSendThreads, this.getClass().getName());
           locators = new HashMap<String,TabletLocator>();
    +      binTimer.schedule(new TimerTask() {
    +        @Override
    +        public void run() {
    +          MutationSet m = queue.poll();
    +          while (null != m) {
    +            try {
    +              addMutations(m);
    +            } catch (Exception e) {
    +              updateUnknownErrors("Error processing mutation set", e);
    +            }
    +            m = queue.poll();
    +          }
    +        }
    +      }, 0, 500);
    --- End diff --
    
    Well, in the previous revision I was adding a MutationSet to an ExecutorService that had
an unbounded queue and 1 thread. That's not immediate. Can MutationSets be binned concurrently?
If so, then I can change the timer from a fixed delay to fixed rate. Thoughts?


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