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changes.mady.by.user Andrey Zagrebin

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JIRA: 

Jira
serverASF JIRA
columnskey,summary,type,created,updated,due,assignee,reporter,priority,status,resolution
serverId5aa69414-a9e9-3523-82ec-879b028fb15b
keyFLINK-3089
R

eleased: 1.6

Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).

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The tradeoff here is that even after becoming part of state backends, timer service still requires to store keys twice in rocksdb RocksDB and inside the checkpoint: associated with state and its expiration timestamp which results in a bigger space consumption and extra overhead. The reason is that timers require another data layout sorted by timestamp.

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