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Lingjing You
1a928c22a0
Add insert hints for each writebatch (#5728)
Summary:
Add insert hints for each writebatch so that they can be used in concurrent write, and add write option to enable it.
Bench result (qps):
`./db_bench --benchmarks=fillseq -allow_concurrent_memtable_write=true -num=4000000 -batch-size=1 -threads=1 -db=/data3/ylj/tmp -write_buffer_size=536870912 -num_column_families=4`
master:
| batch size \ thread num | 1 | 2 | 4 | 8 |
| ----------------------- | ------- | ------- | ------- | ------- |
| 1 | 387883 | 220790 | 308294 | 490998 |
| 10 | 1397208 | 978911 | 1275684 | 1733395 |
| 100 | 2045414 | 1589927 | 1798782 | 2681039 |
| 1000 | 2228038 | 1698252 | 1839877 | 2863490 |
fillseq with writebatch hint:
| batch size \ thread num | 1 | 2 | 4 | 8 |
| ----------------------- | ------- | ------- | ------- | ------- |
| 1 | 286005 | 223570 | 300024 | 466981 |
| 10 | 970374 | 813308 | 1399299 | 1753588 |
| 100 | 1962768 | 1983023 | 2676577 | 3086426 |
| 1000 | 2195853 | 2676782 | 3231048 | 3638143 |
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5728
Differential Revision: D17297240
fbshipit-source-id: b053590a6d77871f1ef2f911a7bd013b3899b26c
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5 years ago |
| .. |
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rocksdb
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Add insert hints for each writebatch (#5728)
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5 years ago |
