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e3584f9c28
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gabor@google.com e3584f9c28 Bugfix for issue 33; reduce lock contention in Get(), parallel benchmarks. 
- Fix for issue 33 (non-null-terminated result from
  leveldb_property_value())

- Support for running multiple instances of a benchmark in parallel.

- Reduce lock contention on Get():
  (1) Do not hold the lock while searching memtables.
  (2) Shard block and table caches 16-ways.

  Benchmark for evaluating this change:
  $ db_bench --benchmarks=fillseq1,readrandom --threads=$n
  (fillseq1 is a small hack to make sure fillseq runs once regardless
  of number of threads specified on the command line).



git-svn-id: https://leveldb.googlecode.com/svn/trunk@49 62dab493-f737-651d-591e-8d6aee1b9529
2011-08-22 21:08:51 +00:00
..
builder.cc A number of smaller fixes and performance improvements: 2011-06-22 02:36:45 +00:00
builder.h A number of smaller fixes and performance improvements: 2011-06-22 02:36:45 +00:00
c_test.c C binding for leveldb, better readseq benchmark for SQLite. 2011-08-05 20:40:49 +00:00
c.cc Bugfix for issue 33; reduce lock contention in Get(), parallel benchmarks. 2011-08-22 21:08:51 +00:00
corruption_test.cc Small tweaks and bugfixes for Issue 18 and 19. 2011-07-15 00:20:57 +00:00
db_bench.cc Bugfix for issue 33; reduce lock contention in Get(), parallel benchmarks. 2011-08-22 21:08:51 +00:00
db_impl.cc Bugfix for issue 33; reduce lock contention in Get(), parallel benchmarks. 2011-08-22 21:08:51 +00:00
db_impl.h A number of smaller fixes and performance improvements: 2011-06-22 02:36:45 +00:00
db_iter.cc Bugfixes for iterator and documentation. 2011-08-16 01:21:01 +00:00
db_iter.h reverting disastrous MOE commit, returning to r21 2011-04-19 23:11:15 +00:00
db_test.cc Bugfixes for iterator and documentation. 2011-08-16 01:21:01 +00:00
dbformat_test.cc @20776309 2011-04-20 22:48:11 +00:00
dbformat.cc A number of smaller fixes and performance improvements: 2011-06-22 02:36:45 +00:00
dbformat.h Sun Studio support, and fix for test related memory fixes. 2011-07-19 23:36:47 +00:00
filename_test.cc @20776309 2011-04-20 22:48:11 +00:00
filename.cc @20776309 2011-04-20 22:48:11 +00:00
filename.h Sun Studio support, and fix for test related memory fixes. 2011-07-19 23:36:47 +00:00
log_format.h Sun Studio support, and fix for test related memory fixes. 2011-07-19 23:36:47 +00:00
log_reader.cc Small tweaks and bugfixes for Issue 18 and 19. 2011-07-15 00:20:57 +00:00
log_reader.h sync with upstream @ 21409451 2011-05-21 02:17:43 +00:00
log_test.cc Update from upstream @21551990 2011-05-28 00:53:58 +00:00
log_writer.cc sync with upstream @ 21409451 2011-05-21 02:17:43 +00:00
log_writer.h reverting disastrous MOE commit, returning to r21 2011-04-19 23:11:15 +00:00
memtable.cc A number of smaller fixes and performance improvements: 2011-06-22 02:36:45 +00:00
memtable.h A number of smaller fixes and performance improvements: 2011-06-22 02:36:45 +00:00
repair.cc Speed up Snappy uncompression, new Logger interface. 2011-07-21 02:40:18 +00:00
skiplist_test.cc Sun Studio support, and fix for test related memory fixes. 2011-07-19 23:36:47 +00:00
skiplist.h reverting disastrous MOE commit, returning to r21 2011-04-19 23:11:15 +00:00
snapshot.h sync with upstream @ 21409451 2011-05-21 02:17:43 +00:00
table_cache.cc reverting disastrous MOE commit, returning to r21 2011-04-19 23:11:15 +00:00
table_cache.h reverting disastrous MOE commit, returning to r21 2011-04-19 23:11:15 +00:00
version_edit_test.cc @20776309 2011-04-20 22:48:11 +00:00
version_edit.cc Sun Studio support, and fix for test related memory fixes. 2011-07-19 23:36:47 +00:00
version_edit.h A number of smaller fixes and performance improvements: 2011-06-22 02:36:45 +00:00
version_set_test.cc Small tweaks and bugfixes for Issue 18 and 19. 2011-07-15 00:20:57 +00:00
version_set.cc @23023120 2011-08-06 00:19:37 +00:00
version_set.h Small tweaks and bugfixes for Issue 18 and 19. 2011-07-15 00:20:57 +00:00
write_batch_internal.h Small tweaks and bugfixes for Issue 18 and 19. 2011-07-15 00:20:57 +00:00
write_batch_test.cc sync with upstream @ 21409451 2011-05-21 02:17:43 +00:00
write_batch.cc sync with upstream @ 21409451 2011-05-21 02:17:43 +00:00