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https://issues.apache.org/jira/browse/ARTEMIS-1476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16217194#comment-16217194
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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_r146618435
--- 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 --
essentially i would be expecting to see no diff in the code, except an if
(verbose) statement with all the change only in that 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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