Re: [PATCH 2/4] fsmonitor: Don't bother pretty-printing JSON from watchman

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On 10/20/2017 9:00 AM, Johannes Schindelin wrote:
Hi Alex,

On Thu, 19 Oct 2017, Alex Vandiver wrote:

This provides small performance savings.

diff --git a/t/t7519/fsmonitor-watchman b/t/t7519/fsmonitor-watchman
index 377edc7be..eba46c78b 100755
--- a/t/t7519/fsmonitor-watchman
+++ b/t/t7519/fsmonitor-watchman
@@ -51,7 +51,7 @@ launch_watchman();
sub launch_watchman { - my $pid = open2(\*CHLD_OUT, \*CHLD_IN, 'watchman -j')
+	my $pid = open2(\*CHLD_OUT, \*CHLD_IN, 'watchman -j --no-pretty')

While I am very much infavor of this change (I was not aware of the
--no-pretty option), I would like to see some statistics on that. Could
you measure the impact, please, and include the results in the commit
message?

Ciao,
Johannes


I was also unaware of the --no-pretty option. I've tested this on Windows running version 4.9.0 of Watchman and verified that it does work correctly. I'm also curious if it produces any measurable difference in performance.



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