Igor Fedotov's activity
From 02/19/2019 to 03/20/2019
03/20/2019
- 10:55 AM bluestore Bug #38738: ceph ssd osd latency increase over time, until restart
- hoan nv wrote:
> do you have temporary solutions for this issue.
>
> I tried move device class from ssd to hdd bu...
03/19/2019
- 05:51 PM bluestore Bug #38795: fsck on mkfs breaks ObjectStore/StoreTestSpecificAUSize.BlobReuseOnOverwrite
- The issue persist till the second cache rebalance occurs after fsck completion. So a workaround for UT might be to wa...
03/18/2019
- 12:20 PM bluestore Bug #38795 (Resolved): fsck on mkfs breaks ObjectStore/StoreTestSpecificAUSize.BlobReuseOnOverwrite
- if bluestore_fsck_on_mkfs is enabled the test case fails in Mimic and Luminous:
[ RUN ] ObjectStore/StoreTestSp...
03/15/2019
- 12:52 PM bluestore Bug #38761 (Fix Under Review): Bitmap allocator might fail to return contiguous chunk despite hav...
- 11:16 AM bluestore Bug #38761 (Resolved): Bitmap allocator might fail to return contiguous chunk despite having enou...
- This happens when allocator has contiguous 4GB-aligned chunks to allocate from only. Internal stuff searching for fre...
- 12:51 PM bluestore Bug #38760 (Fix Under Review): BlueFS might request more space from slow device than is actually ...
- 11:09 AM bluestore Bug #38760 (Resolved): BlueFS might request more space from slow device than is actually needed
- When expanding slow device BlueFS has two sizes - one that it actually need for the current action and one that is a ...
03/14/2019
- 11:52 AM bluestore Bug #38738: ceph ssd osd latency increase over time, until restart
- Anton,
there is a thread named "ceph osd commit latency increase over time, until
restart" at ceph-users mail li...
03/11/2019
- 08:18 PM bluestore Bug #38272 (Fix Under Review): "no available blob id" assertion might occur
- 07:54 PM bluestore Bug #38395 (Resolved): luminous: write following remove might access previous onode
03/05/2019
- 03:18 PM bluestore Bug #38489: bluestore_prefer_deferred_size_hdd units are not clear
- I've just verified deferred writes behavior for 4M writes using objectstore FIO plugin.
Indeed bluestore splits writ...
03/01/2019
- 10:46 AM bluestore Bug #25077 (New): Occasional assertion in ObjectStore/StoreTest.HashCollisionTest/2
- 10:46 AM bluestore Bug #25077: Occasional assertion in ObjectStore/StoreTest.HashCollisionTest/2
- Stefan Kooman wrote:
> @Igor Fedotov:
>
> We are using ceph balancer to get PGs balanced accross the cluster. The...
02/28/2019
- 02:41 PM bluestore Bug #36482: High amount of Read I/O on BlueFS/DB when listing omap keys
- We've got another occurrence for this issue too.
Omap listing for specific onode consistently takes ~2 mins while d... - 02:19 PM bluestore Bug #36482: High amount of Read I/O on BlueFS/DB when listing omap keys
- I think this is the same issue:
https://marc.info/?l=ceph-devel&m=155134206210976&w=2 - 09:55 AM bluestore Bug #34526: OSD crash in KernelDevice::direct_read_unaligned while scrubbing
- IMO this is BlueStore (or more precisely BlueFS and/or RocksDB) related.
And I think it's duplicate of #36482
O...
02/26/2019
- 02:43 PM bluestore Bug #25077: Occasional assertion in ObjectStore/StoreTest.HashCollisionTest/2
- Stefan, to make sure (at our best) this is exactly the same bug, could you please check PG states with ceph-objectsto...
02/20/2019
- 11:15 AM bluestore Bug #38395 (Fix Under Review): luminous: write following remove might access previous onode
- 10:35 AM bluestore Bug #38395: luminous: write following remove might access previous onode
- 10:25 AM bluestore Bug #38395 (Resolved): luminous: write following remove might access previous onode
- So the sequence is as follows:
T1:
remove A
T2:
touch A
write A
In Luminous there is a chance that A is rem...
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