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Do not reload table schema when update catalog cache (#2667) - #2678
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ti-chi-bot merged 4 commits intoApr 20, 2023
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/run-all-tests |
shiyuhang0
previously approved these changes
Apr 20, 2023
zhangyangyu
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Apr 20, 2023
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/run-all-tests |
shiyuhang0
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Apr 20, 2023
xuanyu66
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Apr 20, 2023
zhangyangyu
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/merge |
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This pull request has been accepted and is ready to merge. DetailsCommit hash: fb66ea1 |
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This is an automated cherry-pick of #2667
What problem does this PR solve?
TiSpark will reload all table schemas when init catalogCache. It will also reload all table schemas once we call listTable or getTable with the invalid cache.
One user reports that TiSpark hangs with more than 10000+ table schemas.
What is changed and how it works?
Add a configuration
spark.tispark.load_tables, default is true.when set it to false, we will not load all tables when we reload the cache. table cache will only be loaded when the table is used.
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Tests