Tighten mapping syncing in ccr remote restore#38071
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dnhatn merged 3 commits intoelastic:masterfrom Feb 4, 2019
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dnhatn
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:Distributed/CCR
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Pinging @elastic/es-distributed |
ywelsch
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Jan 31, 2019
x-pack/plugin/ccr/src/main/java/org/elasticsearch/xpack/ccr/action/CcrRequests.java
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x-pack/plugin/ccr/src/main/java/org/elasticsearch/xpack/ccr/repository/CcrRepository.java
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| clusterStateRequest.indices(followerIndex); | ||
| ClusterStateResponse clusterState = followerClient().admin().cluster().state(clusterStateRequest).actionGet(); | ||
| IndexMetaData followerIndexMetadata = clusterState.getState().metaData().index(followerIndex); | ||
| assertEquals(2, followerIndexMetadata.getMappingVersion()); |
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Previously we changed mapping twice in the leader: one before opening session and one after. These two events are propagated separately; then the mapping version on the follower is 2. Now, these two events happen before we open session, then the mapping version on the follower is 1 instead of 2. I think verifying the content of the mapping is good enough.
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run elasticsearch-ci/2 |
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Thanks everyone. |
jasontedor
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Feb 5, 2019
…-lease-expiration * elastic/master: (24 commits) Add support for API keys to access Elasticsearch (elastic#38291) Add typless client side GetIndexRequest calls and response class (elastic#37778) Limit token expiry to 1 hour maximum (elastic#38244) add docs saying mixed-cluster ILM is not supported (elastic#37954) Skip unsupported languages for tests (elastic#38328) Deprecate `_type` in simulate pipeline requests (elastic#37949) Mute testCannotShrinkLeaderIndex (elastic#38374) Tighten mapping syncing in ccr remote restore (elastic#38071) Add test for `PutFollowAction` on a closed index (elastic#38236) Fix SSLContext pinning to TLSV1.2 in reload tests (elastic#38341) Mute RareClusterStateIT.testDelayedMappingPropagationOnReplica (elastic#38357) Deprecate types in rollover index API (elastic#38039) Types removal - fix FullClusterRestartIT warning expectations (elastic#38310) Fix ILM explain response to allow unknown fields (elastic#38054) Mute testFollowIndexAndCloseNode (elastic#38360) Docs: Drop inline callout from scroll example (elastic#38340) Deprecate HLRC security methods (elastic#37883) Remove types from Monitoring plugin "backend" code (elastic#37745) Add Composite to AggregationBuilders (elastic#38207) Clarify slow cluster-state log messages (elastic#38302) ...
Tim-Brooks
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Feb 5, 2019
There are two issues regarding the way that we sync mapping from leader to follower when a ccr restore is completed: 1. The returned mapping from a cluster service might not be up to date as the mapping of the restored index commit. 2. We should not compare the mapping version of the follower and the leader. They are not related to one another. Moreover, I think we should only ensure that once the restore is done, the mapping on the follower should be at least the mapping of the copied index commit. We don't have to sync the mapping which is updated after we have opened a session. Relates elastic#36879 Closes elastic#37887
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There are two issues regarding the way that we sync mapping from leader to follower when a ccr restore is completed:
Moreover, I think we should only ensure that once the restore is done, the mapping on the follower should be at least the mapping of the copied index commit. We don't have to sync the mapping which is updated after we have opened a session.
Relates #36879
Closes #37887