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Summary: Help users that would benefit most from new Bloom filter implementation by logging a warning that recommends the using format_version >= 5. Pull Request resolved: https://github.com/facebook/rocksdb/pull/6312 Test Plan: $ (for BPK in 10 13 14 19 20 50; do ./filter_bench -quick -impl=0 -bits_per_key=$BPK -m_queries=1 2>&1; done) | grep 'its/key' Bits/key actual: 10.0647 Bits/key actual: 13.0593 [WARN] [/block_based/filter_policy.cc:546] Using legacy Bloom filter with high (14) bits/key. Significant filter space and/or accuracy improvement is available with format_verion>=5. Bits/key actual: 14.0581 [WARN] [/block_based/filter_policy.cc:546] Using legacy Bloom filter with high (19) bits/key. Significant filter space and/or accuracy improvement is available with format_verion>=5. Bits/key actual: 19.0542 [WARN] [/block_based/filter_policy.cc:546] Using legacy Bloom filter with high (20) bits/key. Dramatic filter space and/or accuracy improvement is available with format_verion>=5. Bits/key actual: 20.0584 [WARN] [/block_based/filter_policy.cc:546] Using legacy Bloom filter with high (50) bits/key. Dramatic filter space and/or accuracy improvement is available with format_verion>=5. Bits/key actual: 50.0577 Differential Revision: D19457191 Pulled By: pdillinger fbshipit-source-id: 073d94cde5c70e03a160f953e1100c15ea83eda4 |
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| compaction | ||
| data-block-hash-index | ||
| delrange | ||
| rate-limiter | ||
| binaryseek.png | ||
| bloom_fp_vs_bpk.png | ||
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| pcache-readiopath.jpg | ||
| pcache-tieredstorage.jpg | ||
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| promo-adapt.svg | ||
| promo-flash.svg | ||
| promo-operations.svg | ||
| promo-performance.svg | ||
| Resize-of-20140327_200754-300x225.jpg | ||
| tree_example1.png | ||
