[Bug 222288] g_bio leak after zfs ABD commit

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue Sep 19 10:05:09 UTC 2017


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222288

Borja Marcos <borjam at sarenet.es> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |borjam at sarenet.es

--- Comment #5 from Borja Marcos <borjam at sarenet.es> ---
I've applied the second patch. Seems to be working fine, no leaks.

Only one thing has me slightly puzzled, a very high used UMA slabs count.

ITEM                   SIZE  LIMIT     USED     FREE      REQ FAIL SLEEP

UMA Kegs:               384,      0,     242,       8,     242,   0,   0
UMA Zones:             4736,      0,     259,       0,     259,   0,   0
UMA Slabs:               80,      0,  542261,      39,  553319,   0,   0
UMA Hash:               256,      0,      60,      60,     109,   0,   0

The other server running Elasticsearch, which is still on 11.1-RELEASE and has
also 8 GB of memory, shows this. Note the high number of free UMA slabs.


ITEM                   SIZE  LIMIT     USED     FREE      REQ FAIL SLEEP

UMA Kegs:               384,      0,     240,       0,     240,   0,   0
UMA Zones:             2176,      0,     257,       0,     257,   0,   0
UMA Slabs:               80,      0,  207526,  243674, 2339176,   0,   0


I'll let it run for several days anyway. As I said it's not critical.

Thanks!

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