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Manuel Ung 4c70cb7306 WriteUnPrepared: support iterating while writing to transaction (#5699) 
Summary:
In MyRocks, there are cases where we write while iterating through keys. This currently breaks WBWIIterator, because if a write batch flushes during iteration, the delta iterator would point to invalid memory.

For now, fix by disallowing flush if there are active iterators. In the future, we will loop through all the iterators on a transaction, and refresh the iterators when a write batch is flushed.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5699

Differential Revision: D16794157

Pulled By: lth

fbshipit-source-id: 5d5bf70688bd68fe58e8a766475ae88fd1be3190
 		2019-08-14 14:28:53 -07:00
..
backupable simplify include directive involving inttypes (#5402) 2019-06-06 13:56:07 -07:00
blob_db New API to get all merge operands for a Key (#5604) 2019-08-06 14:26:44 -07:00
cassandra Organizing rocksdb/db directory 2019-05-31 11:57:01 -07:00
checkpoint Export Import sst files (#5495) 2019-07-17 12:27:14 -07:00
compaction_filters Comment out unused variables 2018-03-05 13:13:41 -08:00
convenience Auto roll logger to enforce options.keep_log_file_num immediately after a new file is created (#5370) 2019-05-31 10:50:19 -07:00
leveldb_options Change RocksDB License 2017-07-15 16:11:23 -07:00
memory Organizing rocksdb/db directory 2019-05-31 11:57:01 -07:00
merge_operators New API to get all merge operands for a Key (#5604) 2019-08-06 14:26:44 -07:00
option_change_migration Avoid double-compacting data in bottom level in manual compactions (#5138) 2019-04-16 23:32:20 -07:00
options simplify include directive involving inttypes (#5402) 2019-06-06 13:56:07 -07:00
persistent_cache Fix MyRocks compile warnings-treated-as-errors on Fedora 30, gcc 9.1.1 (#5553) 2019-07-12 17:30:51 -07:00
simulator_cache Pysim more algorithms (#5644) 2019-08-06 18:50:59 -07:00
table_properties_collectors Reduce the number of random iterations in compact_on_deletion_collector_test (#5635) 2019-07-26 15:53:34 -07:00
trace Move util/trace_replay.* to trace_replay/ (#5376) 2019-06-03 13:25:26 -07:00
transactions WriteUnPrepared: support iterating while writing to transaction (#5699) 2019-08-14 14:28:53 -07:00
ttl Fix segfalut in ~DBWithTTLImpl() when called after Close() (#5485) 2019-06-20 13:08:17 -07:00
write_batch_with_index New API to get all merge operands for a Key (#5604) 2019-08-06 14:26:44 -07:00
debug.cc Support GetAllKeyVersions() for non-default cf (#5544) 2019-07-07 22:43:52 -07:00
env_librados.cc Optionally wait on bytes_per_sync to smooth I/O (#5183) 2019-04-22 11:51:39 -07:00
env_librados.md Add EnvLibrados - RocksDB Env of RADOS (#1222) 2016-07-21 11:16:34 -07:00
env_librados_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
env_mirror.cc Optionally wait on bytes_per_sync to smooth I/O (#5183) 2019-04-22 11:51:39 -07:00
env_mirror_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
env_timed.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
env_timed_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
merge_operators.h New API to get all merge operands for a Key (#5604) 2019-08-06 14:26:44 -07:00
object_registry.cc The ObjectRegistry class replaces the Registrar and NewCustomObjects.… (#5293) 2019-07-23 17:13:05 -07:00
object_registry_test.cc The ObjectRegistry class replaces the Registrar and NewCustomObjects.… (#5293) 2019-07-23 17:13:05 -07:00
util_merge_operators_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00