[LU-3031] canceling many LDLM locks takes too long Created: 26/Mar/13 Updated: 18/Aug/15 Resolved: 18/Aug/15 |
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| Status: | Resolved |
| Project: | Lustre |
| Component/s: | None |
| Affects Version/s: | Lustre 2.4.0 |
| Fix Version/s: | Lustre 2.8.0 |
| Type: | Improvement | Priority: | Major |
| Reporter: | Vitaly Fertman | Assignee: | Oleg Drokin |
| Resolution: | Fixed | Votes: | 0 |
| Labels: | patch | ||
| Rank (Obsolete): | 7397 |
| Description |
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once LRU resize landed clients are able to hold lots of locks, what improves performance in general, however not in a case of eviction nor shutdown - lock canceling may take a vary long time. bug originally reported against 1.8.0 |
| Comments |
| Comment by Vitaly Fertman [ 26/Mar/13 ] |
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Xyratex-bug-id: MRP-395 |
| Comment by Vitaly Fertman [ 26/Mar/13 ] |
| Comment by Keith Mannthey (Inactive) [ 30/Apr/13 ] |
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Bug 19557 was marked as fixed / patches landed in 2010. In the context of current Master are there still soft lockups? Can you describe how/when you see them? |
| Comment by John Hammond [ 12/Aug/13 ] |
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Vitaly would you please respond to Keith's question and quantify the performance gains of this patch in some way? |
| Comment by Cliff White (Inactive) [ 28/Apr/14 ] |
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Is there any response on this issue? Otherwise, we will close this issue. |
| Comment by Gerrit Updater [ 18/Aug/15 ] |
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Oleg Drokin (oleg.drokin@intel.com) merged in patch http://review.whamcloud.com/5843/ |
| Comment by Peter Jones [ 18/Aug/15 ] |
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Landed for 2.8 |