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https://issues.apache.org/jira/browse/OAK-6209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16436775#comment-16436775
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Maksim Kviatkouski commented on OAK-6209:
-----------------------------------------
Just realized I have a question about approached you proposed to deal with
output. If I create dummy {{OutputStream}} that discards all the output I still
need a way to output essential information like stats. What do you think is the
best way to deal with it? I can think of two solutions:
- Since "must have" output is printed in a very limited number of cases I can
refactor it to make call like ((FilteringPrintStream)
System.out.println)(formattedStatsObj, true) assuming that FilteringPrintStream
will not discard that output due to flag passed.
- Somehow make BenchmarkOutputStrategy to set system output back to regular
output and change it back to what it was after it's done working. I don't like
this approach though since it changes state of a globally available object
which is not really easy to deal with later.
Please let me know if you have more elegant solution.
> The benchmark runner should produce machine-friendly output
> -----------------------------------------------------------
>
> Key: OAK-6209
> URL: https://issues.apache.org/jira/browse/OAK-6209
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: benchmarks
> Reporter: Francesco Mari
> Assignee: Francesco Mari
> Priority: Major
> Attachments: oak-6209.patch, sample-machine-readable-output.txt
>
>
> The benchmark runner currently produce output in the following format.
> {noformat}
> Apache Jackrabbit Oak 1.8-SNAPSHOT
> # LoginTest C min 10% 50% 90% max
> N
> Oak-Segment-Tar 1 472 494 522 552 631
> 115
> # LoginLogoutTest C min 10% 50% 90% max
> N
> Oak-Segment-Tar 1 472 479 513 543 568
> 118
> {noformat}
> While this format is well formatted and easy to read, it's a pain to process
> with standard command line utilities. The benchmark runner should give the
> possibility to produce machine-friendly output, like the following.
> {noformat}
> LoginTest,Oak-Segment-Tar,1,472,494,522,552,631,115
> LoginLogoutTest,Oak-Segment-Tar,1,472,479,513,543,568,118
> {noformat}
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