[pulsar-perf] Make it possible to disable poolMessages#12090
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merlimat merged 1 commit intoSep 20, 2021
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- JCommander requires passing arity = 1 to boolean parameters that have a default value of true.
lhotari
requested review from
codelipenghui,
eolivelli,
merlimat and
rdhabalia
September 18, 2021 11:58
Contributor
|
LGTM. Should we also cover other similar parameters? |
yuruguo
reviewed
Sep 18, 2021
| public boolean batchIndexAck = false; | ||
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| @Parameter(names = { "-pm", "--pool-messages" }, description = "Use the pooled message") | ||
| @Parameter(names = { "-pm", "--pool-messages" }, description = "Use the pooled message", arity = 1) |
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Good catch！Should other parameter that type is boolean be handled like this? such as --replicated, --batch-index-ack, --auto_ack_chunk_q_full etc.
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It would be a breaking change. This is only necessary for boolean options that default to true.
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It would be a breaking change. This is only necessary for boolean options that default to true. |
yuruguo
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Sep 19, 2021
merlimat
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Sep 20, 2021
codelipenghui
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Sep 24, 2021
- JCommander requires passing arity = 1 to boolean parameters that have a default value of true. (cherry picked from commit 898582b)
bharanic-dev
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Mar 18, 2022
- JCommander requires passing arity = 1 to boolean parameters that have a default value of true.
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Motivation
In Pulsar 2.8.0 with pulsar-perf, I hit the bug #11824 where the
pulsar-perf consumestops consuming some partitions.As a workaround, I tried to pass
-pm falseor--pool-messages falseon the command line, but this resulted in error message:The size of topics list should be equal to --num-topicsThe problem is that JCommander doesn't expect arguments to boolean parameters by default.
This is explained in the JCommander manual and issue comment cbeust/jcommander#129 (comment) .
Modifications
arity = 1to the JCommander Parameter annotation.arity = 1to boolean parameters that have a default value of true.