Re: boost.log's text_multifile_backend is not performant on windows - perhaps it should be documented?

From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2021-03-04 09:34:37

On 3/3/21 11:28 PM, Peter Dimov via Boost wrote:
> Nicholas Neumann wrote:
> 
>> Unfortunately, the performance when using text_multifile_backend on
>> windows is really bad, because the repeated file close operations (one per log
>> record) are unusually slow on windows. Repeatedly logging a string to the
>> same file via text_multifile_backend results in throughput of about 200 log
>> entries per second.
> 
> That's probably a Windows Defender (or another antivirus) "feature". Not that
> this helps.

It does help. Nicholas, could you verify this by adding the directory 
where log files are written to the excluded ones in the AV software you 
have? Or by temporarily disabling the software?