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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2020/10/09 16:56:23 UTC
[GitHub] [hadoop] steveloughran commented on pull request #2358: HADOOP-17295 Move dedicated pre-logging statements into existing logg…
steveloughran commented on pull request #2358:
URL: https://github.com/apache/hadoop/pull/2358#issuecomment-706292523
> The point is that some simple logging calls are on the hot path and frequently executed. The accumulated overhead for these simple logging calls is larger than other complex logging calls rarely executed.
personally
* I prefer the common log operations (info +) to be efficient.
* and debug level logging to have ~0 overhead when not used.
* but enough debug logging for me to work out what is going wrong when things don't work
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