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Posted to issues@flink.apache.org by "Peidian Li (Jira)" <ji...@apache.org> on 2020/04/21 09:56:00 UTC
[jira] [Updated] (FLINK-17302) Add multiget() interface for state
of rocksdb statebackend
[ https://issues.apache.org/jira/browse/FLINK-17302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Peidian Li updated FLINK-17302:
-------------------------------
Description:
Users that need to lookup many keys in order to process an application level request end up calling Get() in a loop to read the required KVs. Rocksdb provides multiget() interface to improve reading efficiency.Do we consider providing multiget() interface for rocksdb statebackend ？
See also [https://github.com/facebook/rocksdb/wiki/MultiGet-Performance].
For other statebackend, we can call the get () interface in a loop to implement multiget().
was:Users that need to lookup many keys in order to process an application level request end up calling Get() in a loop to read the required KVs. Rocksdb provides multiget() interface to improve reading efficiency.Do we consider providing multiget() interface for rocksdb statebackend.
> Add multiget() interface for state of rocksdb statebackend
> -----------------------------------------------------------
>
> Key: FLINK-17302
> URL: https://issues.apache.org/jira/browse/FLINK-17302
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / State Backends
> Affects Versions: 1.10.0
> Reporter: Peidian Li
> Priority: Major
>
> Users that need to lookup many keys in order to process an application level request end up calling Get() in a loop to read the required KVs. Rocksdb provides multiget() interface to improve reading efficiency.Do we consider providing multiget() interface for rocksdb statebackend ？
> See also [https://github.com/facebook/rocksdb/wiki/MultiGet-Performance].
> For other statebackend, we can call the get () interface in a loop to implement multiget().
>
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