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Posted to reviews@helix.apache.org by GitBox <gi...@apache.org> on 2020/04/03 20:54:38 UTC
[GitHub] [helix] NealSun96 opened a new issue #927: MetadataStoreDirectory
routing data cache refresh bug
NealSun96 opened a new issue #927: MetadataStoreDirectory routing data cache refresh bug
URL: https://github.com/apache/helix/issues/927
The current routing data cache refresh behavior in `ZkMetadataStoreDirectory` is incorrect. Using the following steps will cause an erroneous state:
1. Create a valid set of routing data;
2. Remove the routing data using `setRoutingData()`;
3. All "routing data fetching" endpoints will still retain the routing data from step 1; all "using routing data to route" endpoints will still use the routing data from step 1.
This is due to the internal routing data cache not being cleared before updating in `ZkMetadataStoreDirectory`. In the case when exceptions are raised during updating (which is excepted when routing data is empty/invalid and is correctly handled in `ZkMetadataStoreDirectory`), the old data is not erased.
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[GitHub] [helix] narendly closed issue #927: MetadataStoreDirectory routing
data cache refresh bug
Posted by GitBox <gi...@apache.org>.
narendly closed issue #927: MetadataStoreDirectory routing data cache refresh bug
URL: https://github.com/apache/helix/issues/927
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