[CONTROLLER-1160] Clustering : Append Entries replies do not seem to be arriving consistently at the Leader Created: 14/Feb/15 Updated: 24/Feb/15 Resolved: 24/Feb/15 |
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| Status: | Resolved |
| Project: | controller |
| Component/s: | mdsal |
| Affects Version/s: | Post-Helium |
| Fix Version/s: | None |
| Type: | Bug | ||
| Reporter: | Moiz Raja | Assignee: | Moiz Raja |
| Resolution: | Done | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Environment: |
Operating System: All |
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| External issue ID: | 2718 |
| Description |
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AppendEntriesReply not arriving at the Leader can cause a Leader to switch to an IsolatedLeader. There is a possibly larger problem where if replies do not come in a timely manner transactions will timeout. This is related to |
| Comments |
| Comment by Moiz Raja [ 24/Feb/15 ] |
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Determined that this was happening because the dummy datastore was not responding quickly to append entries. This is fixed by reducing the logging on the dummy datastore. https://git.opendaylight.org/gerrit/#/c/15543/ A utility was added to help in tracking issues with append entries reply not coming in fast enough. |