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Posted to dev@flink.apache.org by maver1ck <ma...@brynski.pl> on 2021/05/08 06:12:50 UTC

Re: Activate bloom filter in RocksDB State Backend via Flink configuration

Hi Jun Qin,
Do you have any example OptionsFactory for Bloom Filter.

I did experiment and change Options from FLASH_SSD_OPTIMIZED to
SPINNING_DISK_OPTIMIZED_HIGH_MEM.
This gives me 2x better performance on NVME disk.
I think the reason is that I'm doing a lot of reads and
SPINNING_DISK_OPTIMIZED_HIGH_MEM is the only with Bloom filter enabled by
default.

Regards,
Maciek



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