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4028ae7d31
rocksdb/util
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Dhruba Borthakur 4028ae7d31 Do not cache readahead-pages in the OS cache. 
Summary:
When posix_fadvise(offset, offset) is usedm it frees up only those
pages in that specified range. But the filesystem could have done some
read-aheads and those get cached in the OS cache.

Do not cache readahead-pages in the OS cache.

Test Plan: run db_bench benchmark.

Reviewers: vamsi, heyongqiang

Reviewed By: heyongqiang

Differential Revision: https://reviews.facebook.net/D5379
2012-09-13 10:56:02 -07:00
..
arena_test.cc A number of fixes: 2011-10-31 17:22:06 +00:00
arena.cc A number of fixes: 2011-10-31 17:22:06 +00:00
arena.h A number of fixes: 2011-10-31 17:22:06 +00:00
bloom_test.cc Added bloom filter support. 2012-04-17 08:36:46 -07:00
bloom.cc bits_per_key is already configurable. It defines how many bloom bits will be used for every key in the database. 2012-07-09 23:06:07 -07:00
build_version.h Record the version of the source repository that was used to build the leveldb library. 2012-08-21 14:47:15 -07:00
cache_test.cc A number of fixes: 2011-10-31 17:22:06 +00:00
cache.cc The sharding of the block cache is limited to 2*20 pieces. 2012-08-29 12:17:59 -07:00
coding_test.cc merge 1.5 2012-08-28 11:43:33 -07:00
coding.cc A number of fixes: 2011-10-31 17:22:06 +00:00
coding.h A number of fixes: 2011-10-31 17:22:06 +00:00
comparator.cc merge 1.5 2012-08-28 11:43:33 -07:00
crc32c_test.cc A number of fixes: 2011-10-31 17:22:06 +00:00
crc32c.cc SSE4 optimization 2012-05-15 10:10:01 -07:00
crc32c.h A number of fixes: 2011-10-31 17:22:06 +00:00
env_hdfs.cc Clean up compiler warnings generated by -Wall option. 2012-08-29 14:24:51 -07:00
env_posix.cc Do not cache readahead-pages in the OS cache. 2012-09-13 10:56:02 -07:00
env_test.cc fixed issues 66 (leaking files on disk error) and 68 (no sync of CURRENT file) 2012-01-25 14:56:52 -08:00
env.cc fixed issues 66 (leaking files on disk error) and 68 (no sync of CURRENT file) 2012-01-25 14:56:52 -08:00
filelock_test.cc Prevent concurrent multiple opens of leveldb database. 2012-08-20 23:55:04 -07:00
filter_policy.cc Added bloom filter support. 2012-04-17 08:36:46 -07:00
hash.cc A number of fixes: 2011-10-31 17:22:06 +00:00
hash.h reverting disastrous MOE commit, returning to r21 2011-04-19 23:11:15 +00:00
histogram.cc A number of fixes: 2011-10-31 17:22:06 +00:00
histogram.h A number of fixes: 2011-10-31 17:22:06 +00:00
logging.cc A number of fixes: 2011-10-31 17:22:06 +00:00
logging.h A number of fixes: 2011-10-31 17:22:06 +00:00
mutexlock.h A number of fixes: 2011-10-31 17:22:06 +00:00
options.cc put log in a seperate dir 2012-09-06 17:52:08 -07:00
posix_logger.h A number of fixes: 2011-10-31 17:22:06 +00:00
random.h A number of fixes: 2011-10-31 17:22:06 +00:00
stats_logger.h Clean up compiler warnings generated by -Wall option. 2012-08-29 14:24:51 -07:00
status.cc A number of fixes: 2011-10-31 17:22:06 +00:00
testharness.cc A number of fixes: 2011-10-31 17:22:06 +00:00
testharness.h A number of fixes: 2011-10-31 17:22:06 +00:00
testutil.cc A number of fixes: 2011-10-31 17:22:06 +00:00
testutil.h A number of fixes: 2011-10-31 17:22:06 +00:00