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4b86fe1123
rocksdb/util
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Peter Dillinger 4b86fe1123 Log warning for high bits/key in legacy Bloom filter (#6312) 
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
2020-01-17 19:37:35 -08:00
..
aligned_buffer.h Document AlignedBuffer (#5345) 2019-05-24 10:05:40 -07:00
autovector_test.cc Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
autovector.h Fix the constness issues around autovector::iterator_impl's dereference operators (#6057) 2019-11-22 21:23:00 -08:00
bloom_impl.h Allow fractional bits/key in BloomFilterPolicy (#6092) 2019-11-26 15:59:34 -08:00
bloom_test.cc Expose and elaborate FilterBuildingContext (#6088) 2019-11-26 18:24:10 -08:00
build_version.cc.in Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
build_version.h Change RocksDB License 2017-07-15 16:11:23 -07:00
cast_util.h Add a missing "once" in .h 2017-07-31 12:12:03 -07:00
channel.h Fix build breakage from lock_guard error (#6161) 2019-12-12 13:50:27 -08:00
coding_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
coding.cc Enable MSVC W4 with a few exceptions. Fix warnings and bugs 2017-10-19 10:57:12 -07:00
coding.h Avoid user key copying for Get/Put/Write with user-timestamp (#5502) 2019-07-25 15:27:39 -07:00
compaction_job_stats_impl.cc Refresh snapshot list during long compactions (2nd attempt) (#5278) 2019-05-03 17:30:22 -07:00
comparator.cc Add support for timestamp in Get/Put (#5079) 2019-06-05 23:10:47 -07:00
compression_context_cache.cc run make format for PR 3838 (#3954) 2018-06-05 12:58:02 -07:00
compression_context_cache.h run make format for PR 3838 (#3954) 2018-06-05 12:58:02 -07:00
compression.h crash_test to cover bottommost compression and some other changes (#6215) 2019-12-20 16:14:52 -08:00
concurrent_task_limiter_impl.cc Compaction limiter miscs (#4795) 2018-12-26 13:59:35 -08:00
concurrent_task_limiter_impl.h Apply formatter on recent 45 commits. (#5827) 2019-09-19 12:34:17 -07:00
core_local.h Change RocksDB License 2017-07-15 16:11:23 -07:00
crc32c_arm64.cc Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
crc32c_arm64.h Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
crc32c_ppc_asm.S Remove PATENTS text from a few straggler files (#5326) 2019-05-21 16:22:35 -07:00
crc32c_ppc_constants.h Remove PATENTS text from a few straggler files (#5326) 2019-05-21 16:22:35 -07:00
crc32c_ppc.c C file should not include <cinttypes>, it is a C++ header. (#5499) 2019-06-24 16:12:39 -07:00
crc32c_ppc.h Remove PATENTS text from a few straggler files (#5326) 2019-05-21 16:22:35 -07:00
crc32c_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
crc32c.cc Cleanup the Arm64 CRC32 unused warning (#5565) 2019-07-15 11:20:26 -07:00
crc32c.h Updated CRC32 Power Optimization Changes 2017-08-31 14:16:30 -07:00
duplicate_detector.h simplify include directive involving inttypes (#5402) 2019-06-06 13:56:07 -07:00
dynamic_bloom_test.cc Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
dynamic_bloom.cc Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
dynamic_bloom.h MultiGet batching in memtable (#5818) 2019-10-10 09:39:39 -07:00
file_reader_writer_test.cc Introduce a new storage specific Env API (#5761) 2019-12-13 14:48:41 -08:00
filelock_test.cc Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
filter_bench.cc Log warning for high bits/key in legacy Bloom filter (#6312) 2020-01-17 19:37:35 -08:00
gflags_compat.h filter_bench - a prelim tool for SST filter benchmarking (#5825) 2019-10-07 20:10:53 -07:00
hash_map.h Change RocksDB License 2017-07-15 16:11:23 -07:00
hash_test.cc Add new persistent 64-bit hash (#5984) 2019-10-31 16:36:35 -07:00
hash.cc Add new persistent 64-bit hash (#5984) 2019-10-31 16:36:35 -07:00
hash.h Add new persistent 64-bit hash (#5984) 2019-10-31 16:36:35 -07:00
heap_test.cc fix gflags namespace 2017-12-01 10:42:05 -08:00
heap.h Add compaction logic to RangeDelAggregatorV2 (#4758) 2018-12-17 13:20:51 -08:00
kv_map.h Consolidate hash function used for non-persistent data in a new function (#5155) 2019-04-08 13:32:06 -07:00
log_write_bench.cc Divide file_reader_writer.h and .cc (#5803) 2019-09-16 10:33:51 -07:00
murmurhash.cc Add GCC 8 to Travis (#3433) 2018-07-13 10:58:06 -07:00
murmurhash.h Change RocksDB License 2017-07-15 16:11:23 -07:00
mutexlock.h Apply formatter on recent 45 commits. (#5827) 2019-09-19 12:34:17 -07:00
ppc-opcode.h Remove PATENTS text from a few straggler files (#5326) 2019-05-21 16:22:35 -07:00
random_test.cc Add useful idioms to Random API (OneInOpt, PercentTrue) (#6154) 2019-12-13 14:30:14 -08:00
random.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
random.h Add useful idioms to Random API (OneInOpt, PercentTrue) (#6154) 2019-12-13 14:30:14 -08:00
rate_limiter_test.cc Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
rate_limiter.cc Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
rate_limiter.h rate limit auto-tuning 2017-10-04 19:15:01 -07:00
repeatable_thread_test.cc Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
repeatable_thread.h Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
set_comparator.h WritePrepared Txn: Move DuplicateDetector to util 2018-03-05 23:57:12 -08:00
slice_transform_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
slice.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
status.cc Work around weird unused errors with Mingw (#6075) 2019-11-26 21:42:29 -08:00
stderr_logger.h Change RocksDB License 2017-07-15 16:11:23 -07:00
stop_watch.h Make statistics's stats_level change thread-safe (#5030) 2019-03-01 10:42:09 -08:00
string_util.cc Refactor trimming logic for immutable memtables (#5022) 2019-08-23 13:55:34 -07:00
string_util.h Refactor trimming logic for immutable memtables (#5022) 2019-08-23 13:55:34 -07:00
thread_list_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
thread_local_test.cc Fix thread_local_test failure caused by recent io_uring change (#6136) 2019-12-09 12:03:30 -08:00
thread_local.cc Enable building of ARM32 (#4349) 2018-10-09 16:58:25 -07:00
thread_local.h Provide a way to override windows memory allocator with jemalloc for ZSTD 2018-06-04 12:12:48 -07:00
thread_operation.h Add inline comments to flush job (#4464) 2018-10-05 15:41:17 -07:00
threadpool_imp.cc Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
threadpool_imp.h Support lowering CPU priority of background threads 2018-04-24 08:41:51 -07:00
timer_queue_test.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
timer_queue.h Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
user_comparator_wrapper.h Fix perf_context.user_key_comparison_count for range scan (#5098) 2019-03-27 10:34:27 -07:00
util.h Add GCC 8 to Travis (#3433) 2018-07-13 10:58:06 -07:00
vector_iterator.h Make clang-analyzer happy (#5821) 2019-09-18 15:25:48 -07:00
xxh3p.h Add new persistent 64-bit hash (#5984) 2019-10-31 16:36:35 -07:00
xxhash.cc Add new persistent 64-bit hash (#5984) 2019-10-31 16:36:35 -07:00
xxhash.h Misc hashing updates / upgrades (#5909) 2019-10-24 17:16:46 -07:00