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rust-rocksdb
Commit 354332f8 authored by UncP's avatar UncP Committed by Huachao Huang
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rocksdb: optimize sub compaction (#202)

parent cb0634ef
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librocksdb_sys/rocksdb/db/compaction.cc
View file @ 354332f8
......@@ -456,7 +456,8 @@ bool Compaction::ShouldFormSubcompactions() const {
return false;
}
if (cfd_->ioptions()->compaction_style == kCompactionStyleLevel) {
return start_level_ == 0 && output_level_ > 0 && !IsOutputLevelEmpty();
return (start_level_ == 0 || is_manual_compaction_) && output_level_ > 0 &&
!IsOutputLevelEmpty();
} else if (cfd_->ioptions()->compaction_style == kCompactionStyleUniversal) {
return number_levels_ > 1 && output_level_ > 0;
} else {
......
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