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ircd::db: Use lower level0 compaction trigger to reduce read amp.

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This commit is contained in:
Jason Volk 2022-07-11 15:08:17 -07:00
parent 305c6e8075
commit ea68ccdda1
1 changed files with 5 additions and 4 deletions
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9
ircd/db_database.cc
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@ -1784,10 +1784,11 @@ ircd::db::database::column::column(database &d,
(this->options.max_write_buffer_number * 6):
48;
this->options.level0_file_num_compaction_trigger =
this->options.compaction_style == rocksdb::kCompactionStyleUniversal?
(this->options.max_write_buffer_number * 2):
4;
this->options.level0_file_num_compaction_trigger = 2;
//TODO: for bulk ingest/bootstrap:
// this->options.compaction_style == rocksdb::kCompactionStyleUniversal?
// (this->options.max_write_buffer_number * 2):
// 4;
// Universal compaction mode options
auto &universal(this->options.compaction_options_universal);