Update HISTORY.md for PR 9273 (#9282)

Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/9282

Reviewed By: akankshamahajan15

Differential Revision: D33027844

Pulled By: ltamasi

fbshipit-source-id: 7540d36010414311bc39610fff92a6498be1570c
This commit is contained in:
Levi Tamasi 2021-12-10 14:48:55 -08:00 committed by Facebook GitHub Bot
parent cd85439632
commit 297d913275

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### Bug Fixes
* Fixed a bug in rocksdb automatic implicit prefetching which got broken because of new feature adaptive_readahead and internal prefetching got disabled when iterator moves from one file to next.
* Fixed a bug in TableOptions.prepopulate_block_cache which causes segmentation fault when used with TableOptions.partition_filters = true and TableOptions.cache_index_and_filter_blocks = true.
* Fixed a bug affecting custom memtable factories which are not registered with the `ObjectRegistry`. The bug could result in failure to save the OPTIONS file.
### Behavior Changes
* MemTableList::TrimHistory now use allocated bytes when max_write_buffer_size_to_maintain > 0(default in TrasactionDB, introduced in PR#5022) Fix #8371.