[jira] [Created] (FLINK-14846) Correct the default writerbuffer size documentation of RocksDB

[Shang Yuanchun (Jira)]

Yun Tang created FLINK-14846:
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             Summary: Correct the default writerbuffer size documentation of RocksDB
                 Key: FLINK-14846
                 URL: https://issues.apache.org/jira/browse/FLINK-14846
             Project: Flink
          Issue Type: Bug
          Components: Runtime / State Backends
            Reporter: Yun Tang
             Fix For: 1.10.0


When introduce {{RocksDBConfigurableOptions}}, the default writer buffer size is referenced from RocksDB's javadoc. Unfortunately, RocksDB's official javadoc was described incorrectly as {{4MB}} for a long time until I create a [PR|https://github.com/facebook/rocksdb/pull/5670] to correct it. This also leads [our description|https://ci.apache.org/projects/flink/flink-docs-stable/ops/config.html#state-backend-rocksdb-writebuffer-size] of default write-buffer size not correct, we should fix this to avoid to mislead users.



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