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Summary: When a memtable is trimmed in MemTableListVersion, the memtable is only added to delete list if it is the last reference. However it is not the last reference as it is held by the super version. But the super version would not be switched if the delete list is empty. So the memtable is never destroyed and memory usage increases beyond write_buffer_size + max_write_buffer_size_to_maintain. Pull Request resolved: https://github.com/facebook/rocksdb/pull/7296 Test Plan: 1. ./db_bench -benchmarks=randomtransaction -optimistic_transaction_db=1 -statistics -stats_interval_seconds=1 -duration=90 -num=500000 --max_write_buffer_size_to_maintain=16000000 --transaction_set_snapshot Reviewed By: ltamasi Differential Revision: D23267395 Pulled By: akankshamahajan15 fbshipit-source-id: 3a8d437fe9f4015f851ff84c0e29528aa946b650 |
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| .. | ||
| db_impl.cc | ||
| db_impl.h | ||
| db_impl_compaction_flush.cc | ||
| db_impl_debug.cc | ||
| db_impl_experimental.cc | ||
| db_impl_files.cc | ||
| db_impl_open.cc | ||
| db_impl_readonly.cc | ||
| db_impl_readonly.h | ||
| db_impl_secondary.cc | ||
| db_impl_secondary.h | ||
| db_impl_write.cc | ||
| db_secondary_test.cc | ||