forked from continuwuation/rocksdb
742741b175
Summary: Pad block based table based on super block alignment Pull Request resolved: https://github.com/facebook/rocksdb/pull/13909 Test Plan: Unit Test No impact on perf observed due to change in the inner loop of flush. upstream/main branch 202.15 MB/s ``` for i in `seq 1 10`; do ./db_bench --benchmarks=fillseq -num=10000000 -compaction_style=2 -fifo_compaction_max_table_files_size_mb=1000 -fifo_compaction_allow_compaction=0 -disable_wal -write_buffer_size=12000000 -format_version=7 >> /tmp/x1 2>&1; grep fillseq /tmp/x1 | grep -Po "\d+\.\d+ MB/s" | grep -Po "\d+\.\d+" | awk '{sum+=$1} END {print sum/NR}' ``` After the change without super block alignment 203.44 MB/s ``` for i in `seq 1 10`; do ./db_bench --benchmarks=fillseq -num=10000000 -compaction_style=2 -fifo_compaction_max_table_files_size_mb=1000 -fifo_compaction_allow_compaction=0 -disable_wal -write_buffer_size=12000000 -format_version=7 >> /tmp/x1 2>&1 ``` After the change with super block alignment 204.47 MB/s ``` for i in `seq 1 10`; do ./db_bench --benchmarks=fillseq -num=10000000 -compaction_style=2 -fifo_compaction_max_table_files_size_mb=1000 -fifo_compaction_allow_compaction=0 -disable_wal -write_buffer_size=12000000 -format_version=7 --super_block_alignment_size=131072 --super_block_alignment_max_padding_size=4096 >> /tmp/x1 2>&1; ``` Reviewed By: pdillinger Differential Revision: D83068913 Pulled By: xingbowang fbshipit-source-id: eecd65088ab3e9dbc7902aab8c2580f1bc8575df |
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| .. | ||
| delete_scheduler.cc | ||
| delete_scheduler.h | ||
| delete_scheduler_test.cc | ||
| file_prefetch_buffer.cc | ||
| file_prefetch_buffer.h | ||
| file_util.cc | ||
| file_util.h | ||
| filename.cc | ||
| filename.h | ||
| line_file_reader.cc | ||
| line_file_reader.h | ||
| prefetch_test.cc | ||
| random_access_file_reader.cc | ||
| random_access_file_reader.h | ||
| random_access_file_reader_test.cc | ||
| read_write_util.cc | ||
| read_write_util.h | ||
| readahead_file_info.h | ||
| readahead_raf.cc | ||
| readahead_raf.h | ||
| sequence_file_reader.cc | ||
| sequence_file_reader.h | ||
| sst_file_manager_impl.cc | ||
| sst_file_manager_impl.h | ||
| writable_file_writer.cc | ||
| writable_file_writer.h | ||