在 2019/11/21 21:04, Barak Sason Rofman 写道:
I see two design / implementation problems with that mechanism:
1.
The mutex that guards the log file is likely under constant
contention.
2.
The fact that each worker thread perform the IO by himself, thus
slowing his "real" work.
Initial tests, done by *removing logging from the regression testing,
shows an improvement of about 20% in run time*. This indicates we’re
taking a pretty heavy performance hit just because of the logging
activity.
Hi Barak Sason Rofman. Amazing perf improvement! Could show me the
detail test method ?
Thanks
-Xie
In addition to these problems, the logging module is due for an upgrade:
1.
There are dozens of APIs in the logger, much of them are
deprecated - this makes it very hard for new developers to keep
evolving the project.
2.
One of the key points for Gluster-X, presented in October at
Bangalore, is the switch to a structured logging all across gluster.
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