Promote shadow replica to primary when initializing primary fails #22021
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Failing an initializing primary when shadow replicas are enabled for the index can leave the primary unassigned with replicas being active. Instead, a replica should be promoted to primary, which is fixed by this commit.
bleskes
approved these changes
Dec 7, 2016
| @@ -586,6 +592,19 @@ assert node(failedShard.currentNodeId()).getByShardId(failedShard.shardId()) == | |||
| " was matched but wasn't removed"; | |||
| } | |||
|
|
|||
| private void promoteReplicaToPrimary(ShardRouting activeReplica, IndexMetaData indexMetaData, | |||
| RoutingChangesObserver routingChangesObserver) { | |||
| // if the activeReplica was relocating before this call to failShard, its relocation was cancelled above when we | |||
There was a problem hiding this comment.
nit: this comment refers to "above" we should probably reword it or place it somewhere else.
|
Thanks @bleskes |
ywelsch
added a commit
that referenced
this pull request
Dec 7, 2016
…2021) Failing an initializing primary when shadow replicas are enabled for the index can leave the primary unassigned with replicas being active. Instead, a replica should be promoted to primary, which is fixed by this commit.
ywelsch
added a commit
that referenced
this pull request
Dec 7, 2016
…2021) Failing an initializing primary when shadow replicas are enabled for the index can leave the primary unassigned with replicas being active. Instead, a replica should be promoted to primary, which is fixed by this commit.
lcawl
added
:Distributed Indexing/Distributed
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Failing an initializing primary when shadow replicas are enabled for the index can leave the primary unassigned with replicas being active. Instead, a replica should be promoted to primary, which is fixed by this commit.
Test failure:
https://elasticsearch-ci.elastic.co/job/elastic+elasticsearch+5.x+multijob-unix-compatibility/os=ubuntu/324/console