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4564915446
rocksdb/db
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Dhruba Borthakur 4564915446 Zero out redundant sequence numbers for kvs to increase compression efficiency 
Summary:
The sequence numbers in each record eat up plenty of space on storage.
The optimization zeroes out sequence numbers on kvs in the Lmax
layer that are earlier than the earliest snapshot.

Test Plan: Unit test attached.

Differential Revision: https://reviews.facebook.net/D8619
2013-02-18 21:51:15 -08:00
..
builder.cc Fix a number of object lifetime/ownership issues 2013-01-23 16:54:11 -08:00
builder.h A number of fixes: 2011-10-31 17:22:06 +00:00
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 Fix a number of object lifetime/ownership issues 2013-01-23 16:54:11 -08:00
db_bench.cc Fix poor error on num_levels mismatch and few other minor improvements 2013-01-25 15:37:26 -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 2013-02-15 16:56:06 -08:00
db_impl_readonly.h Add a readonly db 2012-11-07 14:19:48 -08:00
db_impl.cc Zero out redundant sequence numbers for kvs to increase compression efficiency 2013-02-18 21:51:15 -08:00
db_impl.h Fix poor error on num_levels mismatch and few other minor improvements 2013-01-25 15:37:26 -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 Add counters to count gets and writes 2013-01-17 12:27:56 -08:00
db_stats_logger.cc remove boost 2012-09-16 19:33:43 -07:00
db_test.cc Zero out redundant sequence numbers for kvs to increase compression efficiency 2013-02-18 21:51:15 -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 Zero out redundant sequence numbers for kvs to increase compression efficiency 2013-02-18 21:51:15 -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 Fix a number of object lifetime/ownership issues 2013-01-23 16:54:11 -08:00
log_reader.h Fix a number of object lifetime/ownership issues 2013-01-23 16:54:11 -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 Fixing and adding some comments 2013-01-03 17:13:56 -08:00
memtable.h Fixing and adding some comments 2013-01-03 17:13:56 -08:00
memtablelist.cc Fix all the lint errors. 2012-11-28 17:18:41 -08:00
memtablelist.h Fixing and adding some comments 2013-01-03 17:13:56 -08:00
repair.cc Fix a number of object lifetime/ownership issues 2013-01-23 16:54:11 -08:00
skiplist_test.cc Add optional clang compile mode 2013-01-15 18:48:37 -08:00
skiplist.h This is the mega-patch multi-threaded compaction 2012-10-19 14:00:53 -07:00
snapshot.h Various build cleanups/improvements 2013-01-14 18:40:22 -08:00
table_cache.cc Fix a number of object lifetime/ownership issues 2013-01-23 16:54:11 -08:00
table_cache.h Fix a number of object lifetime/ownership issues 2013-01-23 16:54:11 -08:00
transaction_log_iterator_impl.cc Fix a number of object lifetime/ownership issues 2013-01-23 16:54:11 -08:00
transaction_log_iterator_impl.h Fix a number of object lifetime/ownership issues 2013-01-23 16:54:11 -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 Fix poor error on num_levels mismatch and few other minor improvements 2013-01-25 15:37:26 -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 Fix all warnings generated by -Wall option to the compiler. 2012-11-06 14:07:31 -08:00
version_set.cc Fix a number of object lifetime/ownership issues 2013-01-23 16:54:11 -08:00
version_set.h Use fallocate to prevent excessive allocation of sst files and logs 2013-01-24 12:25:13 -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