Github user keith-turner commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/75#discussion_r54320991
--- 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 --
Ok I think mutations should be binned and sent immediately. There are
currently two cases when mutations are submitted to be binned and sent: when
the users calls flush and when memory 1/2 full. Don't see a good reason to
wait in either case.
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