Raymie Stata created AVRO-2251:
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Summary: Modify Perf.java to better support automation scripts
Key: AVRO-2251
URL: https://issues.apache.org/jira/browse/AVRO-2251
Project: Avro
Issue Type: Test
Reporter: Raymie Stata
Assignee: Raymie Stata
To better support automated performance-test suites, this patch proposes two
new arguments to the 'Perf.java' command-line tool:
The `-o' argument gives 'Perf.java' the name of a file that should get the
results of the run. Currently, Perf.java sends output to System.out – but if
'Perf.java' is invoked using Maven, which is the easiest way to invoke it, then
System.out is polluted with a bunch of other output. Redirecting 'Perf.java'
output metrics to a file makes it easier for automation scripts to process
those metrics.
The `-c [spec]` argument tells 'Perf.java' to generate a comma-separated
output. By default, all benchmark metrics are output, but the optional `spec`
argument can be used to indicate exactly which metrics should be included in
the CSV output. The default output of 'Perf.java' is optimized for human
inspection – for example, it includes the text "ms" in the running-time column
so humans will understand the units of the running-time metric. The `-c`
option will tell 'Perf.java' to generate machine-optimized output that is
easier to consume by automation scripts.
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