Bug 1266604 - GFS2: improve performance of gfs2_edit savemeta
GFS2: improve performance of gfs2_edit savemeta
Status: NEW
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: gfs2-utils (Show other bugs)
7.2
Unspecified Unspecified
high Severity medium
: rc
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Assigned To: Andrew Price
cluster-qe@redhat.com
:
Depends On:
Blocks: 1111393 1313485 1497636 1296673
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Reported: 2015-09-25 16:08 EDT by Nate Straz
Modified: 2017-12-11 06:59 EST (History)
8 users (show)

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Story Points: ---
Clone Of: 1162216
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Type: Bug
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RHEL 7.3 requirements from Atomic Host:
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Description Nate Straz 2015-09-25 16:08:54 EDT
+++ This bug was initially created as a clone of Bug #1162216 +++

Description of problem:

While gfs2_edit savemeta performance was improved for RHEL7.2, it still takes a long time to dump a file systems over 1TB in size.  Let's explore what else can be done to improve performance of this debugging task.

 FS   |   gfs2-utils-3.1.7-6.el7 |    gfs2-utils-3.1.8-6.el7
Size  |  elapsed   CPU%   Memory |  elapsed   CPU%   Memory
=============================================================
 10GB |    0:57.72  46%   11852k |    0:15.30  10%   11012k
100GB |   16:48.19  27%   19504k |    9:30.99   3%   11140k
  1TB | 3:27:41     22%   97700k | 2:32:31      2%   12672k

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