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HBASE-23281: Track meta region locations in masters (#830) - #1097
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bharathv wants to merge 3 commits into
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HBASE-23281: Track meta region locations in masters (#830)#1097bharathv wants to merge 3 commits into
bharathv wants to merge 3 commits into
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This patch implements a simple cache that all the masters can lookup to serve cluster ID to clients. Active HMaster is still responsible for creating it but all the masters will read it from fs to serve clients. RPCs exposing it will come in a separate patch as a part of HBASE-18095. Signed-off-by: Andrew Purtell <apurtell@apache.org> Signed-off-by: Wellington Chevreuil <wchevreuil@apache.org> Signed-off-by: Guangxu Cheng <guangxucheng@gmail.com> (cherry picked from commit c2e01f2)
…ache#812) Currently we just track whether an active master exists. It helps to also track the address of the active master in all the masters to help serve the client RPC requests to know which master is active. Signed-off-by: Nick Dimiduk <ndimiduk@apache.org> Signed-off-by: Andrew Purtell <apurtell@apache.org> (cherry picked from commit efebb84)
* HBASE-23281: Track meta region changes on masters This patch adds a simple cache that tracks the meta region replica locations. It keeps an eye on the region movements so that the cached locations are not stale. This information is used for servicing client RPCs for connections that use master based registry (HBASE-18095). The RPC end points will be added in a separate patch. Signed-off-by: Nick Dimiduk <ndimiduk@apache.org> (cherry picked from commit 8571d38)
Apache-HBase
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Jan 28, 2020
🎊 +1 overall
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apurtell
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Jan 29, 2020
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I approved this but seems some of the delta in this one I just reviewed on another PR. Might have a merge conflict.
bharathv
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Jan 29, 2020
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Will be merged as a part of #1098 |
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This patch adds a simple cache that tracks the meta region replica
locations. It keeps an eye on the region movements so that the
cached locations are not stale.
This information is used for servicing client RPCs for connections
that use master based registry (HBASE-18095). The RPC end points
will be added in a separate patch.