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From 05/28/2017 to 06/26/2017

06/26/2017

08:25 PM Backport #20027 (Resolved): jewel: Deadlock on two ceph-fuse clients accessing the same file
John Spray
08:24 PM Backport #19846 (Resolved): jewel: write to cephfs mount hangs, ceph-fuse and kernel
John Spray
08:21 PM Backport #20412: test_remote_update_write (tasks.cephfs.test_quota.TestQuota) fails in Jewel 10.2...
Aargh, I think this might just be failing because this is a new test that was written for luminous, where client_quot... John Spray
07:49 PM Backport #20412 (In Progress): test_remote_update_write (tasks.cephfs.test_quota.TestQuota) fails...
I dug into the logs. It looks like the MDS is not sending a quota update to the client. From a brief look at the code... Patrick Donnelly
07:30 PM Bug #20337 (New): test_rebuild_simple_altpool triggers MDS assertion
John Spray
06:54 PM Bug #20337: test_rebuild_simple_altpool triggers MDS assertion
I'm not seeing how Filesystem.are_daemons_healthy is waiting for daemons outside the filesystem: it's inspecting daem... John Spray
06:42 PM Bug #20337 (Need More Info): test_rebuild_simple_altpool triggers MDS assertion
wait_for_daemons should wait for every daemon regardless of filesystem. is there a failure log I can look at? Douglas Fuller
05:26 AM Backport #20140 (Resolved): jewel: Journaler may execute on_safe contexts prematurely
Nathan Cutler

06/25/2017

07:56 AM Backport #20412 (Resolved): test_remote_update_write (tasks.cephfs.test_quota.TestQuota) fails in...
https://github.com/ceph/ceph/pull/15936 Nathan Cutler

06/23/2017

08:14 PM Backport #20404 (Rejected): kraken: cephfs permission denied until second client accesses file
Nathan Cutler
08:14 PM Backport #20403 (Resolved): jewel: cephfs permission denied until second client accesses file
https://github.com/ceph/ceph/pull/16150 Nathan Cutler
12:04 PM Backport #20148 (Resolved): jewel: Too many stat ops when MDS trying to probe a large file
John Spray
08:05 AM Bug #20334: I/O become slowly when multi mds which subtree root has replica
try uploading it somewhere else or send it to my email zyan@redhat.com Zheng Yan
07:51 AM Bug #20334: I/O become slowly when multi mds which subtree root has replica
yanmei ding wrote:
> yanmei ding wrote:
> > Zheng Yan wrote:
> > > please upload detailed log for the slow case.
...
yanmei ding
07:47 AM Bug #20334: I/O become slowly when multi mds which subtree root has replica
yanmei ding wrote:
> Zheng Yan wrote:
> > please upload detailed log for the slow case.
>
> This is a detailed l...
yanmei ding
07:46 AM Bug #20334: I/O become slowly when multi mds which subtree root has replica
Zheng Yan wrote:
> please upload detailed log for the slow case.
This is a detailed log.
Thank you!
yanmei ding
06:43 AM Bug #20334: I/O become slowly when multi mds which subtree root has replica
please upload detailed log for the slow case. Zheng Yan
02:05 AM Bug #20334: I/O become slowly when multi mds which subtree root has replica
John Spray wrote:
> In that case I suggest you wait for 12.1.0 to see if the issue is fixed there.
John Spray: I ...
yanmei ding
03:54 AM Bug #20376 (Fix Under Review): last_epoch_(over|under) in MDBalancer should be updated if mds0 ha...
Patrick Donnelly
12:17 AM Bug #20376: last_epoch_(over|under) in MDBalancer should be updated if mds0 has failed
There is a merge request for this bug fix: https://github.com/ceph/ceph/pull/15825, could you have a review? @Patrick Jianyu Li

06/22/2017

10:51 PM Bug #20376: last_epoch_(over|under) in MDBalancer should be updated if mds0 has failed
Patrick Donnelly
02:20 AM Bug #20376 (Resolved): last_epoch_(over|under) in MDBalancer should be updated if mds0 has failed
When mds0 has failed and started up again, it will reset beat_epoch to zero. In this case, other MDSes should update ... Jianyu Li
05:28 PM Bug #20122: Ceph MDS crash with assert failure
Are you able to reliably reproduce this? Do you have any MDS logs during the failure? Patrick Donnelly
11:08 AM Bug #20340 (Pending Backport): cephfs permission denied until second client accesses file
John Spray
11:07 AM Bug #20338 (Resolved): mem leak in Journaler::_issue_read() in ceph-mds
John Spray
11:06 AM Bug #20165 (Resolved): Deadlock during shutdown in PurgeQueue::_consume
John Spray
10:57 AM Bug #19706: Laggy mon daemons causing MDS failover (symptom: failed to set counters on mds daemon...
The fix is not working in at least some cases. Here's a smoking gun failure:
http://pulpito.ceph.com/jspray-2017-...
John Spray
10:47 AM Feature #20196: mds: early reintegration of strays on hardlink deletion
Zheng's patch for the special case (both links in cache at time of primary unlink) is merged for luminous -- hopefull... John Spray

06/21/2017

10:06 PM Bug #20212 (Fix Under Review): test_fs_new failure on race between pool creation and appearance i...
https://github.com/ceph/ceph/pull/15822 Patrick Donnelly
08:36 PM Bug #20212 (In Progress): test_fs_new failure on race between pool creation and appearance in `df`
Patrick Donnelly
09:12 PM Bug #20254 (Fix Under Review): mds: coverity error in Server::_rename_prepare
https://github.com/ceph/ceph/pull/15818 Patrick Donnelly
08:34 PM Bug #20318 (Fix Under Review): Race in TestExports.test_export_pin
https://github.com/ceph/ceph/pull/15817 Patrick Donnelly
02:58 PM Bug #20334: I/O become slowly when multi mds which subtree root has replica
In that case I suggest you wait for 12.1.0 to see if the issue is fixed there. John Spray
12:52 AM Bug #20334: I/O become slowly when multi mds which subtree root has replica
John Spray wrote:
> yanmei ding: there have been fixes on master since 12.0.3, please could you retest with the tip ...
yanmei ding
10:22 AM Bug #20340: cephfs permission denied until second client accesses file
Thanks for this patch. It seems to fix the problem for our users. Dan van der Ster
07:57 AM Bug #20340 (Fix Under Review): cephfs permission denied until second client accesses file
https://github.com/ceph/ceph/pull/15800 Zheng Yan

06/20/2017

06:25 PM Bug #20170 (Resolved): filelock_interrupt.py fails on multimds
John Spray
06:21 PM Documentation #13311 (Resolved): explain user permission syntax, details
John Spray
06:21 PM Documentation #13311: explain user permission syntax, details
Not sure why this got made a FS ticket, but fortunately I wrote the docs for cephfs client auth caps a while ago so t... John Spray
06:20 PM Feature #8786 (Resolved): ceph kernel module for el7
CephFS kernel module is in RHEL since 7.4. the kmod-* packages are discontinued as per the note at https://github.co... John Spray
06:15 PM Bug #20060 (Resolved): segmentation fault in _do_cap_update
John Spray
06:14 PM Bug #20131 (Resolved): mds/MDBalancer: update MDSRank export_targets according to current balance...
John Spray
06:14 PM Bug #20335 (Resolved): test_migration_on_shutdown, test_grow_shrink failing
John Spray
01:24 PM Bug #20335 (Fix Under Review): test_migration_on_shutdown, test_grow_shrink failing
https://github.com/ceph/ceph/pull/15768 Zheng Yan
06:09 PM Bug #16914 (Fix Under Review): multimds: pathologically slow deletions in some tests
It looks like this case is now working properly with the latest code, so flipping this ticket to need review and remo... John Spray
02:03 PM Bug #18641 (Can't reproduce): mds: stalled clients apparently due to stale sessions
John Spray
02:02 PM Bug #17069 (Closed): multimds: slave rmdir assertion failure
Closing because currently we know that snapshots+multimds is broken. John Spray
02:00 PM Bug #16925 (Can't reproduce): multimds: cfuse (?) hang on fsx.sh workunit
John Spray
01:54 PM Bug #20334: I/O become slowly when multi mds which subtree root has replica
yanmei ding: there have been fixes on master since 12.0.3, please could you retest with the tip of master? John Spray
01:08 PM Bug #20334: I/O become slowly when multi mds which subtree root has replica
Zheng Yan wrote:
> yanmei ding wrote:
> > John Spray wrote:
> > > Yanmei Ding: can you be more specific about how ...
yanmei ding
08:03 AM Bug #20334: I/O become slowly when multi mds which subtree root has replica
yanmei ding wrote:
> John Spray wrote:
> > Yanmei Ding: can you be more specific about how to reproduce this or wha...
Zheng Yan
01:20 AM Bug #20334: I/O become slowly when multi mds which subtree root has replica
John Spray wrote:
> Yanmei Ding: can you be more specific about how to reproduce this or what is going wrong interna...
yanmei ding
01:49 PM Fix #20246 (In Progress): Make clog message on scrub errors friendlier.
John Spray
01:47 PM Bug #20282 (Closed): qa: missing even trivial tests for many commands
John Spray
01:44 PM Bug #20282: qa: missing even trivial tests for many commands
The script just greps for anything that looks like a COMMMAND and then greps for their existence in qa/ and src/tests... Greg Farnum
01:44 PM Bug #20329 (Resolved): Ceph file system hang on Jewel
Resolving, patch will show up in stable release as and when. John Spray
01:42 AM Bug #20329: Ceph file system hang on Jewel
Eric Eastman wrote:
> The number in the first column changes. Here is the output running the command in a while loop...
Zheng Yan
11:05 AM Bug #20338 (Fix Under Review): mem leak in Journaler::_issue_read() in ceph-mds
https://github.com/ceph/ceph/pull/15776
Zheng Yan
09:49 AM Bug #20340: cephfs permission denied until second client accesses file
Yup, in this case the diri is_stray (it looks like this... Dan van der Ster
09:28 AM Bug #20340: cephfs permission denied until second client accesses file
Ahh so it *is* related to path-restricted cap.
I tried as above with client B having the same client caps -- didn't ...
Dan van der Ster
09:18 AM Bug #20340: cephfs permission denied until second client accesses file
I've confirmed that none of these help resolve these EPERM files:
* restart the ceph-fuse on client A
* mount...
Dan van der Ster
09:29 AM Bug #17858: Cannot create deep directories when caps contain "path=/somepath"
Just pinging this to say that there remain some issues with path-restricted caps, as shown in #20340. Dan van der Ster

06/19/2017

08:52 PM Backport #20350 (Rejected): kraken: df reports negative disk "used" value when quota exceed
Nathan Cutler
08:52 PM Backport #20349 (Resolved): jewel: df reports negative disk "used" value when quota exceed
https://github.com/ceph/ceph/pull/16151 Nathan Cutler
03:54 PM Bug #20338: mem leak in Journaler::_issue_read() in ceph-mds
Was there a teuthology run where this was happening? John Spray
10:57 AM Bug #20338 (Resolved): mem leak in Journaler::_issue_read() in ceph-mds
... Kefu Chai
01:47 PM Bug #20341 (Duplicate): test_migration_on_shutdown fails on master
John Spray
01:29 PM Bug #20341 (Duplicate): test_migration_on_shutdown fails on master
http://qa-proxy.ceph.com/teuthology/teuthology-2017-06-19_03:15:05-fs-master-distro-basic-smithi/1300512/teuthology.l... Zheng Yan
01:30 PM Bug #20340: cephfs permission denied until second client accesses file
I should mention that while client A was a user that has a path-restricted mds cap, the client B that "fixes" the EPE... Dan van der Ster
01:25 PM Bug #20340 (Resolved): cephfs permission denied until second client accesses file
Here is a file that client A gets permission denied during stat:... Dan van der Ster
12:49 PM Bug #20329: Ceph file system hang on Jewel
Eric: that's a conversation to have with whoever is providing your kernel -- the kernel bits of Ceph are not part of ... John Spray
12:38 PM Bug #20329: Ceph file system hang on Jewel
The number in the first column changes. Here is the output running the command in a while loop, once a second. Every ... Eric Eastman
09:19 AM Bug #20329: Ceph file system hang on Jewel
... Zheng Yan
12:41 PM Bug #20178 (Pending Backport): df reports negative disk "used" value when quota exceed
John Spray
10:53 AM Bug #20282: qa: missing even trivial tests for many commands
Greg: can you say which script you're looking to cover these commands in? Things like session kill would be pretty a... John Spray
10:50 AM Bug #20272 (Rejected): Ceph OSD & MDS Failure
I don't think there's anything to be done with this right now -- feel free to reopen if there's some other evidence t... John Spray
10:47 AM Bug #20334: I/O become slowly when multi mds which subtree root has replica
Yanmei Ding: can you be more specific about how to reproduce this or what is going wrong internally? John Spray
10:34 AM Bug #20337 (Resolved): test_rebuild_simple_altpool triggers MDS assertion
Two things are going wrong here, I think:
* The test code is doing a self.fs.wait_for_daemons() (test_data_scan.py:4...
John Spray
10:18 AM Bug #20335 (Resolved): test_migration_on_shutdown, test_grow_shrink failing
Seems to be happening repeatedly since June 10. Latest fs-master failures:
http://pulpito.ceph.com/teuthology-201...
John Spray
09:35 AM Bug #20313 (Fix Under Review): Assertion in handle_dir_update
https://github.com/ceph/ceph/pull/15510/commits/1a5fd47880229d69a6ea484e662e8b8280ff5158 Zheng Yan

06/18/2017

05:47 PM Bug #20328 (Duplicate): Test failure: test_export_pin (tasks.cephfs.test_exports.TestExports)
John Spray
02:24 PM Bug #20334 (Resolved): I/O become slowly when multi mds which subtree root has replica
yanmei ding

06/16/2017

04:22 PM Bug #20329 (Resolved): Ceph file system hang on Jewel
We are running Ceph 10.2.7 and after adding a new multi-threaded writer application we are seeing hangs accessing met... Eric Eastman
01:24 PM Bug #20328 (Duplicate): Test failure: test_export_pin (tasks.cephfs.test_exports.TestExports)
http://qa-proxy.ceph.com/teuthology/jspray-2017-06-15_02:50:24-multimds-wip-jcsp-testing-20170614-testing-basic-smith... Zheng Yan

06/15/2017

02:51 PM Bug #19706 (Resolved): Laggy mon daemons causing MDS failover (symptom: failed to set counters on...
John Spray
02:28 PM Bug #20318 (Resolved): Race in TestExports.test_export_pin
Seen failure here:
http://pulpito.ceph.com/jspray-2017-06-15_02:50:24-multimds-wip-jcsp-testing-20170614-testing-bas...
John Spray
02:13 PM Bug #20313 (Resolved): Assertion in handle_dir_update
Seen in test branch that had the following PRs in it:
[15125] mds: miscellaneous multimds fixes part2
[15510] mds...
John Spray

06/14/2017

03:30 PM Bug #20282: qa: missing even trivial tests for many commands
The damage and client stuff is all exercised in tasks/cephfs/test_* stuff. Are you talking specifically about unit t... John Spray
02:16 PM Backport #20294 (In Progress): jewel: Populate DamageTable from forward scrub
Nathan Cutler
02:13 PM Backport #20294 (Resolved): jewel: Populate DamageTable from forward scrub
https://github.com/ceph/ceph/pull/14699 Nathan Cutler
02:10 PM Feature #16016 (Pending Backport): Populate DamageTable from forward scrub
Nathan Cutler
02:01 PM Backport #19334 (Resolved): jewel: MDS heartbeat timeout during rejoin, when working with large a...
John Spray
01:43 PM Backport #19665 (Resolved): jewel: C_MDSInternalNoop::complete doesn't free itself
John Spray
01:38 PM Backport #19677 (Resolved): jewel: Jewel ceph-fuse does not recover after lost connection to MDS
John Spray
01:37 PM Backport #19762 (Resolved): jewel: non-local cephfs quota changes not visible until some IO is done
John Spray
01:33 PM Backport #19709 (Resolved): jewel: Enable MDS to start when session ino info is corrupt
John Spray
01:31 PM Backport #19675 (Resolved): jewel: cephfs: Test failure: test_data_isolated (tasks.cephfs.test_vo...
John Spray
01:30 PM Backport #19673 (Resolved): jewel: cephfs: mds is crushed, after I set about 400 64KB xattr kv pa...
John Spray
01:30 PM Backport #19671 (Resolved): jewel: MDS assert failed when shutting down
John Spray
01:29 PM Backport #19668 (Resolved): jewel: MDS goes readonly writing backtrace for a file whose data pool...
John Spray
01:27 PM Backport #19666 (Resolved): jewel: fs:The mount point break off when mds switch hanppened.
John Spray
01:26 PM Backport #19619 (Resolved): jewel: MDS server crashes due to inconsistent metadata.
John Spray
01:24 PM Backport #19482 (Resolved): jewel: No output for "ceph mds rmfailed 0 --yes-i-really-mean-it" com...
John Spray
01:23 PM Backport #19044 (Resolved): jewel: buffer overflow in test LibCephFS.DirLs
John Spray
01:23 PM Backport #18949 (Resolved): jewel: mds/StrayManager: avoid reusing deleted inode in StrayManager:...
John Spray
01:22 PM Backport #18900 (Resolved): jewel: Test failure: test_open_inode
John Spray
01:22 PM Backport #18705 (Resolved): jewel: fragment space check can cause replayed request fail
John Spray

06/13/2017

11:57 PM Bug #20282 (Closed): qa: missing even trivial tests for many commands
I wrote a trivial script to look for missing commands in tests (https://github.com/ceph/ceph/pull/15675/commits/3aad0... Greg Farnum
01:17 PM Bug #20272: Ceph OSD & MDS Failure
The MDS backtrace is just the same as the OSD one. John Spray
02:27 AM Bug #20272: Ceph OSD & MDS Failure
You probably need to bump up the number of allowed thread/process IDs on your box if it's crashing there. But that sh... Greg Farnum
08:08 AM Bug #20129: Client syncfs is slow (waits for next MDS tick)
John Spray wrote:
> dongdong tao -- could you please open a pull request with your code change once it is working fo...
dongdong tao

06/12/2017

10:43 PM Bug #20272 (Rejected): Ceph OSD & MDS Failure
The following error from one of the OSDs in my cluster brought the Ceph MDS server down over the weekend:... Kyle Traff
12:44 PM Bug #20254 (Resolved): mds: coverity error in Server::_rename_prepare
... Patrick Donnelly

06/11/2017

11:47 AM Fix #20246 (Resolved): Make clog message on scrub errors friendlier.
Currently it looks something like this:... John Spray

06/09/2017

04:18 PM Backport #18283 (Closed): kraken: monitor cannot start because of "FAILED assert(info.state == MD...
Nathan Cutler
09:54 AM Bug #19955: Too many stat ops when MDS trying to probe a large file
Later I found two more related problems that may need further discussion:
# Some tools(like fio) will set the size o...
Sandy Xu

06/07/2017

11:16 PM Bug #20072: TestStrays.test_snapshot_remove doesn't handle head whiteout in pgls results
Yes, that's correct. Greg Farnum
10:23 PM Bug #20072: TestStrays.test_snapshot_remove doesn't handle head whiteout in pgls results
Just to check I understand -- the claim is that we are seeing the object in pgnls output because it has a snapshot th... John Spray
10:04 PM Bug #20072: TestStrays.test_snapshot_remove doesn't handle head whiteout in pgls results
Agree with Greg. Also: making pgnls skip whiteout objects means we need to load the object_info_t, which is signific... Sage Weil
07:45 PM Bug #20072: TestStrays.test_snapshot_remove doesn't handle head whiteout in pgls results
I don't think we want a plain "rados ls" with no flags (--all?) output something that can't be "rados stat"ed. Suppo... Ilya Dryomov
05:12 PM Bug #20072: TestStrays.test_snapshot_remove doesn't handle head whiteout in pgls results
Hmm, listing and snapshots have never gotten along well, but that makes me think we should list stuff even if it does... Greg Farnum
11:14 AM Bug #20212 (Resolved): test_fs_new failure on race between pool creation and appearance in `df`
... John Spray
10:27 AM Feature #20196: mds: early reintegration of strays on hardlink deletion
RP for the incomplete solution https://github.com/ceph/ceph/pull/15548 Zheng Yan
08:42 AM Bug #20129: Client syncfs is slow (waits for next MDS tick)
pull requests: https://github.com/ceph/ceph/pull/15544 dongdong tao

06/06/2017

09:15 PM Bug #20072: TestStrays.test_snapshot_remove doesn't handle head whiteout in pgls results
Ah, yes, this is the SnapSet refactor, not bluestore. This was a semi-intentional change.
Before, we pgnls would i...
Sage Weil
10:30 AM Feature #20196 (New): mds: early reintegration of strays on hardlink deletion

The same symptom as http://tracker.ceph.com/issues/11950
If someone creates a large number of files (1M+), hardl...
John Spray
10:12 AM Feature #9466 (Resolved): kclient: Extend CephFSTestCase tests to cover kclient
This got done a while back. John Spray

06/05/2017

02:02 PM Bug #20129: Client syncfs is slow (waits for next MDS tick)
John Spray wrote:
> dongdong tao -- could you please open a pull request with your code change once it is working fo...
dongdong tao
01:46 PM Bug #20129: Client syncfs is slow (waits for next MDS tick)
dongdong tao -- could you please open a pull request with your code change once it is working for you? John Spray
12:52 AM Bug #20129: Client syncfs is slow (waits for next MDS tick)
dongdong tao wrote:
> Zheng Yan wrote:
> > the last cap message has CHECK_CAPS_SYNCHRONOUS flag. mds flushes mdlog ...
Zheng Yan
01:01 PM Bug #20131 (Fix Under Review): mds/MDBalancer: update MDSRank export_targets according to current...
John Spray
10:35 AM Bug #20178 (Fix Under Review): df reports negative disk "used" value when quota exceed
https://github.com/ceph/ceph/pull/15481 John Spray
12:56 AM Bug #20178 (Resolved): df reports negative disk "used" value when quota exceed
first, set the maxbytes quota for a directory in cephfs,for example the directory named test and the quota is 10G;
...
xiaomeng tu
07:03 AM Backport #20148 (In Progress): jewel: Too many stat ops when MDS trying to probe a large file
Nathan Cutler

06/04/2017

07:26 PM Backport #20140 (In Progress): jewel: Journaler may execute on_safe contexts prematurely
Nathan Cutler
09:45 AM Backport #19762 (In Progress): jewel: non-local cephfs quota changes not visible until some IO is...
Nathan Cutler

06/03/2017

07:58 AM Backport #20025 (In Progress): jewel: MDS became unresponsive when truncating a very large file
Wei-Chung Cheng
06:40 AM Bug #20170 (Fix Under Review): filelock_interrupt.py fails on multimds
https://github.com/ceph/ceph/pull/15440 Zheng Yan
03:15 AM Backport #20027 (In Progress): jewel: Deadlock on two ceph-fuse clients accessing the same file
Wei-Chung Cheng

06/02/2017

05:17 PM Bug #20170 (In Progress): filelock_interrupt.py fails on multimds
Zheng Yan
04:17 PM Bug #20170 (Resolved): filelock_interrupt.py fails on multimds
Zheng Yan
11:25 AM Bug #20165 (Fix Under Review): Deadlock during shutdown in PurgeQueue::_consume
https://github.com/ceph/ceph/pull/15430 John Spray
11:01 AM Bug #20165 (Resolved): Deadlock during shutdown in PurgeQueue::_consume
PurgeQUeue does this while holding its lock:... John Spray
07:36 AM Backport #20149 (Rejected): kraken: Too many stat ops when MDS trying to probe a large file
Nathan Cutler
07:36 AM Backport #20148 (Resolved): jewel: Too many stat ops when MDS trying to probe a large file
https://github.com/ceph/ceph/pull/15472 Nathan Cutler
07:36 AM Backport #20141 (Rejected): kraken: Journaler may execute on_safe contexts prematurely
Nathan Cutler
07:36 AM Backport #20140 (Rejected): jewel: Journaler may execute on_safe contexts prematurely
https://github.com/ceph/ceph/pull/15468 Nathan Cutler
03:15 AM Bug #20129: Client syncfs is slow (waits for next MDS tick)
Zheng Yan wrote:
> the last cap message has CHECK_CAPS_SYNCHRONOUS flag. mds flushes mdlog when it sees the flag. Th...
dongdong tao
01:12 AM Bug #20129: Client syncfs is slow (waits for next MDS tick)
the last cap message has CHECK_CAPS_SYNCHRONOUS flag. mds flushes mdlog when it sees the flag. The patch isn't perfec... Zheng Yan

06/01/2017

03:32 PM Bug #20129: Client syncfs is slow (waits for next MDS tick)
Zheng Yan wrote:
> please try below patch. If it still doesn't work for you(there is no dirty caps), you need to imp...
dongdong tao
12:47 PM Bug #20129: Client syncfs is slow (waits for next MDS tick)
please try below patch. If it still doesn't work for you(there is no dirty caps), you need to implement mechanism tha... Zheng Yan
10:22 AM Bug #20129: Client syncfs is slow (waits for next MDS tick)
This is the same behaviour you would see if you were running "sync" on a filesystem.
We handle this for fsync (on ...
John Spray
03:42 AM Bug #20129 (Resolved): Client syncfs is slow (waits for next MDS tick)
in function client::unmount there are codes below:
-------------
while (!mds_requests.empty()) {
ldout(cct, 10...
dongdong tao
03:05 PM Feature #18490: client: implement delegation support in userland cephfs
Brief writeup of one way to implement this. Jeff Layton
10:36 AM Feature #17980 (Resolved): MDS should reject connections from OSD-blacklisted clients
John Spray
10:36 AM Feature #9754 (Resolved): A 'fence and evict' client eviction command
John Spray
10:35 AM Bug #19239 (Resolved): mds: stray count remains static after workflows complete
John Spray
10:35 AM Bug #19395 (Resolved): "Too many inodes in cache" warning can happen even when trimming is working
John Spray
10:35 AM Bug #19630 (Resolved): StrayManager::num_stray is inaccurate
John Spray
10:34 AM Bug #20055 (Pending Backport): Journaler may execute on_safe contexts prematurely
John Spray
10:28 AM Bug #20076 (Resolved): Pass empty string to clear mantle balancer
John Spray
10:24 AM Bug #20039 (Resolved): mds: replay of export pinned inode does not result in export
John Spray
10:24 AM Bug #20083 (Resolved): TestExports.test_export_pin failing on master
John Spray
07:33 AM Bug #20131: mds/MDBalancer: update MDSRank export_targets according to current balance state
https://github.com/ceph/ceph/pull/15407 Zhi Zhang
07:31 AM Bug #20131 (Resolved): mds/MDBalancer: update MDSRank export_targets according to current balance...
I think this might be a regression issue introduced by https://github.com/ceph/ceph/commit/082e86c58f5abb93e2a912e603... Zhi Zhang

05/31/2017

06:34 PM Feature #18490: client: implement delegation support in userland cephfs
I have a couple of patches to start implementing this, but I've not had the time to really do a good job of it. The p... Jeff Layton
09:44 AM Bug #20122 (Need More Info): Ceph MDS crash with assert failure
The cluster is running Kraken on CentOS 7.3 and has 3 MDS servers, 01 was up:active and is the one that crashed as pe... James Eckersall
05:01 AM Bug #20118 (Duplicate): Test failure: test_ops_throttle (tasks.cephfs.test_strays.TestStrays)
http://qa-proxy.ceph.com/teuthology/teuthology-2017-05-30_05:10:01-fs-kraken---basic-smithi/1243987/teuthology.log
...
Zheng Yan
 

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