morningman opened a new issue #512: Change BDBJE's duration policy to SYNC URL: https://github.com/apache/incubator-doris/issues/512 Currently, the duration policy of meta data writing in BDBJE is WRITE_NO_SYNC, which may lose if system crashed. So we want to change the policy to SYNC. Here are some test: Key: Long Value: 200 bytes 3 node(1 Master, 2 Replicas, SIMPLE_MAJORITY) 1 write thread 1. Local SATA, Master(SYNC), Replica(SYNC) qps: 1632, latency: 0.61ms 2. Local SATA, Master(WRITE_NO_SYNC), Replica(WRITE_NO_SYNC) qps: 6868, latency: 0.14ms 3. NVME, Master(SYNC), Replica(SYNC) qps: 7140, latency: 0.14ms 4. NVME, Master(WRITE_NO_SYNC), Replica(WRITE_NO_SYNC) qps: 7140, latency: 0.14ms 5. SSD Cloud disk, Master(SYNC) qps: 440, latency: 2.2ms
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