Dhruba Borthakur 9e84834eb4 Allow a configurable number of background threads. ...

Summary:
The background threads are necessary for compaction.
For slower storage, it might be necessary to have more than
one compaction thread per DB. This patch allows creating
a configurable number of worker threads.
The default reamins at 1 (to maintain backward compatibility).

Test Plan:
run all unit tests. changes to db-bench coming in
a separate patch.

Reviewers: heyongqiang

Reviewed By: heyongqiang

CC: MarkCallaghan

Differential Revision: https://reviews.facebook.net/D5559

2012-09-19 15:51:08 -07:00

..

c.h

Added bloom filter support.

2012-04-17 08:36:46 -07:00

cache.h

Add support to specify the number of shards for the Block cache. By default, the block cache is sharded into 16 parts.

2012-05-16 17:23:49 -07:00

comparator.h

A number of fixes:

2011-10-31 17:22:06 +00:00

db.h

Ability to take a file-lvel snapshot from leveldb.

2012-09-17 09:14:50 -07:00

env.h

Allow a configurable number of background threads.

2012-09-19 15:51:08 -07:00

filter_policy.h

Added bloom filter support.

2012-04-17 08:36:46 -07:00

iterator.h

A number of fixes:

2011-10-31 17:22:06 +00:00

options.h

improve comments about target_file_size_base, target_file_size_multiplier, max_bytes_for_level_base, max_bytes_for_level_multiplier Summary:

2012-09-17 15:56:11 -07:00

slice.h

Support for java access to leveldb via leveldbjni.

2012-06-20 15:17:03 -07:00

statistics.h

Clean up compiler warnings generated by -Wall option.

2012-08-29 14:24:51 -07:00

status.h

build shared libraries; updated version to 1.3; add Status accessors

2012-03-30 13:15:49 -07:00

table_builder.h

Added bloom filter support.

2012-04-17 08:36:46 -07:00

table.h

Added bloom filter support.

2012-04-17 08:36:46 -07:00

write_batch.h

A number of fixes:

2011-10-31 17:22:06 +00:00