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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ARTEMIS-1476) HdrHistogram support on verbose SyncCalculation
Date Tue, 24 Oct 2017 16:31:00 GMT

    [ https://issues.apache.org/jira/browse/ARTEMIS-1476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16217192#comment-16217192
] 

ASF GitHub Bot commented on ARTEMIS-1476:
-----------------------------------------

Github user michaelandrepearce commented on a diff in the pull request:

    https://github.com/apache/activemq-artemis/pull/1605#discussion_r146618187
  
    --- Diff: artemis-cli/src/main/java/org/apache/activemq/artemis/cli/commands/util/SyncCalculation.java
---
    @@ -54,92 +172,94 @@ public static long syncTest(File datafolder,
                                    String fileName,
                                    int maxAIO,
                                    JournalType journalType) throws Exception {
    -      SequentialFileFactory factory = newFactory(datafolder, fsync, journalType, blockSize
* blocks, maxAIO);
    -
    +      final Supplier<? extends SyncIOCompletion> ioCallbackFactory;
    --- End diff --
    
    can this be just in the verbose section?


> HdrHistogram support on verbose SyncCalculation
> -----------------------------------------------
>
>                 Key: ARTEMIS-1476
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-1476
>             Project: ActiveMQ Artemis
>          Issue Type: Improvement
>          Components: Broker
>            Reporter: Francesco Nigro
>            Assignee: Francesco Nigro
>
> The SyncCalculation::syncTest could benefit of [HdrHistogram|http://hdrhistogram.org/]
support to represent the write latencies percentile distribution while using it as a CLI command
(ie through the perf-journal command).



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