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branch-3.0: [opt](cloud) Support cached cloud partition version for high frequency query #50439 - #50619
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…y query (#50439) Support new session variable to get rid of frequent get_version request to meta-service. set `cloud_partition_version_cache_ttl_ms` with a suitable value as needed, it means a partition's version may be cached on FE at most X milliseconds. pro: reduce RPC/IO to meta-service and fdb, increase query throughput and reduce query latency (plan phase) con: visibility may be delayed when doing point query; data consistency (snapshot) may be broken when doing query wi involved multiple partitions and there is continuous data import;
Thearas
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May 6, 2025
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Thank you for your contribution to Apache Doris. Please clearly describe your PR:
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Thearas
commented
May 6, 2025
Contributor
run buildall |
ContributorAuthor
PR approved by at least one committer and no changes requested. |
ContributorAuthor
PR approved by anyone and no changes requested. |
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Cherry-picked from #50439