[LU-9090] increase default RPC size to 4MB Created: 30/Sep/15 Updated: 23/Jan/20 Resolved: 29/May/17 |
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| Status: | Resolved |
| Project: | Lustre |
| Component/s: | None |
| Affects Version/s: | Lustre 2.10.0 |
| Fix Version/s: | Lustre 2.10.0 |
| Type: | Improvement | Priority: | Major |
| Reporter: | Andreas Dilger | Assignee: | Jian Yu |
| Resolution: | Fixed | Votes: | 0 |
| Labels: | None | ||
| Issue Links: |
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| Rank (Obsolete): | 9223372036854775807 | ||||||||||||
| Description |
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The default RPC size is still 1MB, even though it could be increased to 4MB. This should be accompanied by a change to the default stripe size to also be 4MB so that widely-striped files can generate full RPCs without pinning so much memory on the client. This should provide a noticeable improvement in performance for streaming read/write workloads.
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| Comments |
| Comment by Gerrit Updater [ 08/Feb/17 ] |
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Andreas Dilger (andreas.dilger@intel.com) uploaded a new patch: https://review.whamcloud.com/25336 |
| Comment by Andreas Dilger [ 06/Mar/17 ] |
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Jian, do you think you have time to look through the test failures on this patch to see what needs to be fixed for it to land? Increasing the default RPC size to 4MB should improve the "out of box" performance for Lustre, and is something that many sites already have configured today, so I think that we should make it the default. |
| Comment by Jian Yu [ 07/Mar/17 ] |
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Sure, Andreas, will do. |
| Comment by Gerrit Updater [ 17/May/17 ] |
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Jian Yu (jian.yu@intel.com) uploaded a new patch: https://review.whamcloud.com/27151 |
| Comment by Gerrit Updater [ 29/May/17 ] |
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Oleg Drokin (oleg.drokin@intel.com) merged in patch https://review.whamcloud.com/25336/ |