[Remote State] Upload incremental cluster state on master re-election#15145
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shwetathareja merged 15 commits intoopensearch-project:mainfrom Sep 6, 2024
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[Remote State] Upload incremental cluster state on master re-election#15145shwetathareja merged 15 commits intoopensearch-project:mainfrom
shwetathareja merged 15 commits intoopensearch-project:mainfrom
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❌ Gradle check result for 9710a15: FAILURE Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change? |
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…opensearch-project#15145) * Upload incremental cluster state on master re-election Signed-off-by: Shivansh Arora <hishiv@amazon.com> (cherry picked from commit cbdcbb7)
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…opensearch-project#15145) * Upload incremental cluster state on master re-election Signed-off-by: Shivansh Arora <hishiv@amazon.com> (cherry picked from commit cbdcbb7)
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…opensearch-project#15145) * Upload incremental cluster state on master re-election Signed-off-by: Shivansh Arora <hishiv@amazon.com>
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…opensearch-project#15145) * Upload incremental cluster state on master re-election Signed-off-by: Shivansh Arora <hishiv@amazon.com>
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Description
Currently we upload full cluster state when master re-election happens. This can lead to un-neccessary upload of cluster state attributes even if no change is there in the cluster state attributes. If the cluster has lots of indices or other state metadata. Uploading state every time a node is trying to get elected as cluster manager, the overhead of uploading the cluster state can be big and can problems like S3 throttling or election loop.
Also, when we receive a publication request on a node where the Remote Publication is marked as enabled, but the publication is from Transport channel, we reset the last accepted state and manifest in our RemotePersistedState object to avoid any stale value being persisted on the nodes. Now if these nodes try to become cluster manager, they will be uploading the full state, which rather than uploading a diff from stale state.
Related Issues
Resolves #10682
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