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add reference to indexer nodes (#8607)

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pdeva 2019-09-30 15:45:33 -07:00 committed by Gian Merlino
parent ce7e77e8bd
commit db65068c42
1 changed files with 3 additions and 3 deletions
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6
docs/operations/rolling-updates.md
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@ -28,7 +28,7 @@ following order:
1. Historical
2. \*Overlord (if any)
3. \*Middle Manager (if any)
3. \*Middle Manager/Indexers (if any)
4. Standalone Real-time (if any)
5. Broker
6. Coordinator ( or merged Coordinator+Overlord )
@ -47,9 +47,9 @@ update the entire Historical cluster.
Overlord processes can be updated one at a time in a rolling fashion.
## Middle Managers
## Middle Managers/Indexers
Middle Managers run both batch and real-time indexing tasks. Generally you want to update Middle
Middle Managers or Indexer nodes run both batch and real-time indexing tasks. Generally you want to update Middle
Managers in such a way that real-time indexing tasks do not fail. There are three strategies for
doing that.