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Bug #16024
closedClient: reports that readahead is not working
% Done:
0%
Source:
other
Tags:
new_dev
Backport:
jewel
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
Labels (FS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
We've had one or two previous reports that ceph-fuse is reading slowly and that readahead may not be working, but we didn't get enough details to take them seriously.
Recently, I had an irc conversation in which the user was able to demonstrate that all the OSD read operations ceph-fuse was sending out were sized at 128KB, despite attempting to do streaming reads. I suspect a bug in the readahead code of Client.cc.
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