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d68880a1b9
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Abhishek Kona d68880a1b9 Do not allow Transaction Log Iterator to fall ahead when writer is writing the same file 
Summary:
Store the last flushed, seq no. in db_impl. Check against it in
transaction Log iterator. Do not attempt to read ahead if we do not know
if the data is flushed completely.
Does not work if flush is disabled. Any ideas on fixing that?
* Minor change, iter->Next is called the first time automatically for
* the first time.

Test Plan:
existing test pass.
More ideas on testing this?
Planning to run some stress test.

Reviewers: dhruba, heyongqiang

CC: leveldb

Differential Revision: https://reviews.facebook.net/D9087
2013-03-06 14:05:53 -08:00
..
builder.cc Ability for rocksdb to compact when flushing the in-memory memtable to a file in L0. 2013-03-04 00:01:47 -08:00
builder.h Ability for rocksdb to compact when flushing the in-memory memtable to a file in L0. 2013-03-04 00:01:47 -08:00
c_test.c Fix poor error on num_levels mismatch and few other minor improvements 2013-01-25 15:37:26 -08:00
c.cc Fix poor error on num_levels mismatch and few other minor improvements 2013-01-25 15:37:26 -08:00
corruption_test.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
db_bench.cc Add rate_delay_limit_milliseconds 2013-03-04 07:41:15 -08:00
db_filesnapshot.cc Fix all the lint errors. 2012-11-28 17:18:41 -08:00
db_impl_readonly.cc Fix for the weird behaviour encountered by ldb Get where it could read only the second-latest value 2013-02-20 10:45:52 -08:00
db_impl_readonly.h Add a readonly db 2012-11-07 14:19:48 -08:00
db_impl.cc Do not allow Transaction Log Iterator to fall ahead when writer is writing the same file 2013-03-06 14:05:53 -08:00
db_impl.h Do not allow Transaction Log Iterator to fall ahead when writer is writing the same file 2013-03-06 14:05:53 -08:00
db_iter.cc A number of fixes: 2011-10-31 17:22:06 +00:00
db_iter.h A number of fixes: 2011-10-31 17:22:06 +00:00
db_statistics.h Refactor statistics. Remove individual functions like incNumFileOpens 2013-02-25 13:58:34 -08:00
db_stats_logger.cc remove boost 2012-09-16 19:33:43 -07:00
db_test.cc Do not allow Transaction Log Iterator to fall ahead when writer is writing the same file 2013-03-06 14:05:53 -08:00
dbformat_test.cc Fix all warnings generated by -Wall option to the compiler. 2012-11-06 14:07:31 -08:00
dbformat.cc manifest_dump: Add --hex=1 option 2012-12-16 08:58:28 -08:00
dbformat.h Fox db_stress crash by copying keys before changing sequencenum to zero. 2013-03-06 10:52:08 -08:00
filename_test.cc Added meta-database support. 2012-12-17 11:26:59 -08:00
filename.cc Allow the logs to be purged by TTL. 2013-02-04 19:42:40 -08:00
filename.h Added meta-database support. 2012-12-17 11:26:59 -08:00
log_file.h GetUpdatesSince API to enable replication. 2012-12-07 11:42:13 -08:00
log_format.h A number of fixes: 2011-10-31 17:22:06 +00:00
log_reader.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
log_reader.h Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
log_test.cc Fix a number of object lifetime/ownership issues 2013-01-23 16:54:11 -08:00
log_writer.cc Fix a number of object lifetime/ownership issues 2013-01-23 16:54:11 -08:00
log_writer.h Fix a number of object lifetime/ownership issues 2013-01-23 16:54:11 -08:00
memtable.cc Ability for rocksdb to compact when flushing the in-memory memtable to a file in L0. 2013-03-04 00:01:47 -08:00
memtable.h Ability for rocksdb to compact when flushing the in-memory memtable to a file in L0. 2013-03-04 00:01:47 -08:00
memtablelist.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
memtablelist.h Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
repair.cc Ability for rocksdb to compact when flushing the in-memory memtable to a file in L0. 2013-03-04 00:01:47 -08:00
skiplist_test.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
skiplist.h Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
snapshot.h Ability for rocksdb to compact when flushing the in-memory memtable to a file in L0. 2013-03-04 00:01:47 -08:00
table_cache.cc Removed unnecesary file object in table_cache. 2013-03-04 13:56:23 -08:00
table_cache.h Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
transaction_log_iterator_impl.cc Do not allow Transaction Log Iterator to fall ahead when writer is writing the same file 2013-03-06 14:05:53 -08:00
transaction_log_iterator_impl.h Do not allow Transaction Log Iterator to fall ahead when writer is writing the same file 2013-03-06 14:05:53 -08:00
version_edit_test.cc Make some variables configurable for each db instance 2012-06-27 14:36:31 -07:00
version_edit.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
version_edit.h Fix poor error on num_levels mismatch and few other minor improvements 2013-01-25 15:37:26 -08:00
version_set_reduce_num_levels.cc disable size compaction in ldb reduce_levels and added compression and file size parameter to it 2012-11-09 10:14:47 -08:00
version_set_test.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
version_set.cc Add rate_delay_limit_milliseconds 2013-03-04 07:41:15 -08:00
version_set.h Add rate_delay_limit_milliseconds 2013-03-04 07:41:15 -08:00
write_batch_internal.h GetUpdatesSince API to enable replication. 2012-12-07 11:42:13 -08:00
write_batch_test.cc Fix all warnings generated by -Wall option to the compiler. 2012-11-06 14:07:31 -08:00
write_batch.cc added group commit; drastically speeds up mult-threaded synchronous write workloads 2012-03-08 16:23:21 -08:00