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From mxm <...@git.apache.org>
Subject [GitHub] flink pull request: Framesize fix
Date Fri, 31 Jul 2015 16:51:37 GMT
Github user mxm commented on a diff in the pull request:

    --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionGraph.java
    @@ -560,53 +621,177 @@ public ExecutionContext getExecutionContext() {
    +	 * This works as cache for already merged accumulators, as, in some cases,
    +	 * we do not want to remerge accumulators as this may lead to duplicate entries.
    +	 */
    +	private Map<String, Accumulator<?, ?>> mergedSmallUserAccumulators;
    --- End diff --
    Why can it lead to duplicate entries? The accumulators should always be merged from scratch.
Every accumulator update message contains the current state of the accumulators.

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