yiwu-arbug

.> TEST_TMPDIR=/dev/shm/rocksdb OPT=-g make -j48 J=48 -j48 check || ROCKSDB_CONTRUN_NAME=check false 
Makefile:101: Warning: Compiling in debug mode. Don't use the resulting binary in production
  GEN      util/build_version.cc
db/db_impl.cc:20:31: fatal error: jemalloc/jemalloc.h: No such file or directory
 #include "jemalloc/jemalloc.h"
                               ^
compilation terminated.
Makefile:101: Warning: Compiling in debug mode. Don't use the resulting binary in production
  GEN      util/build_version.cc
db/db_impl.cc:20:31: fatal error: jemalloc/jemalloc.h: No such file or directory

yiwu-arbug

2016/12/15-15:48:52.680990 7f3a1c0639c0            table_factory options:   flush_block_policy_factory: FlushBlockBySizePolicyFactory (0x7f3a1a6350b8)
  cache_index_and_filter_blocks: 0
  pin_l0_filter_and_index_blocks_in_cache: 0
  index_type: 0
  hash_index_allow_collision: 1
  checksum: 1
  no_block_cache: 0
  block_cache: 0x7f3a1a7962b0
  block_cache_size: 8388608
  persistent_cache_options:

yiwu-arbug

2016/12/15-16:39:26.720640 7ff22d10d9c0            table_factory options:   flush_block_policy_factory: FlushBlockBySizePolicyFactory (0x7ff22b8284b8)
  cache_index_and_filter_blocks: 1
  pin_l0_filter_and_index_blocks_in_cache: 0
  index_type: 0
  hash_index_allow_collision: 1
  checksum: 1
  no_block_cache: 0
  block_cache: 0x7ff22b990240
  block_cache_size: 18446744073709551615
  persistent_cache_options:

yiwu-arbug

2016/12/21-12:03:06.531664 7fb5dab4a9c0            table_factory options:   flush_block_policy_factory: FlushBlockBySizePolicyFactory (0x7fb5d9228520)
  cache_index_and_filter_blocks: 0
  cache_index_and_filter_blocks_with_high_priority: 0
  pin_l0_filter_and_index_blocks_in_cache: 0
  index_type: 0
  hash_index_allow_collision: 1
  checksum: 1
  no_block_cache: 0
  block_cache: 0x7fb5d9390390
  block_cache_name: LRUCache

yiwu-arbug

      55285.062926      task-clock (msec)         #    1.000 CPUs utilized
                80      context-switches          #    0.001 K/sec
                42      cpu-migrations            #    0.001 K/sec
           372,874      page-faults               #    0.007 M/sec
   162,275,313,069      cycles                    #    2.935 GHz                      (50.00%)
   102,858,155,650      stalled-cycles-frontend   #   63.38% frontend cycles idle     (50.00%)
    78,441,390,016      stalled-cycles-backend    #  48.34% backend cycles idle       (50.00%)
   160,018,971,228      instructions              #    0.99  insn per cycle
                                                  #    0.64  stalled cycles per insn  (50.00%)
    30,052,756,465      branches                  #  543.596 M/sec                    (50.00%)

yiwu-arbug

      50362.665325      task-clock (msec)         #    1.000 CPUs utilized
                75      context-switches          #    0.001 K/sec
                43      cpu-migrations            #    0.001 K/sec
           372,879      page-faults               #    0.007 M/sec
   147,979,632,821      cycles                    #    2.938 GHz                      (50.00%)
    95,021,960,523      stalled-cycles-frontend   #   64.21% frontend cycles idle     (50.00%)
    70,306,982,501      stalled-cycles-backend    #  47.51% backend cycles idle       (50.00%)
   144,907,746,909      instructions              #    0.98  insn per cycle
                                                  #    0.66  stalled cycles per insn  (50.00%)
    28,927,079,522      branches                  #  574.375 M/sec                    (50.00%)

yiwu-arbug

[yiwu@dev4504.prn1 ~/rocksdb] ./blob_dump ~/tmp/adsdb_100/blob_dir/000002.blob
Magic Number   : 2395959
Version        : 1
Compression    : kNoCompression
TTL Range      : (1493830800, 1493834400)
Timestamp Range: nil
Read record @0
  key size   : 4
  blob size  : 5
  TTL        : 1493833327

yiwu-arbug

$ ~/rocksdb/blob_dump --file /dev/shm/blob_db_test/blob_dir/000003.blob --show_blob
Blob log header:
  Magic Number   : 2395959
  Version        : 1
  Compression    : kNoCompression
  TTL Range      : (1495537200, 1495540800)
  Timestamp Range: nil
No blob log footer.
Read record with offset 0x24 (36):
  key size   : 4

yiwu-arbug

[==========] Running 4 tests from 1 test case.
[----------] Global test environment set-up.
[----------] 4 tests from ArenaTest
[ RUN      ] ArenaTest.Empty
[       OK ] ArenaTest.Empty (0 ms)
[ RUN      ] ArenaTest.MemoryAllocatedBytes
[       OK ] ArenaTest.MemoryAllocatedBytes (0 ms)
[ RUN      ] ArenaTest.ApproximateMemoryUsage
internal_repo_rocksdb/repo/util/arena_test.cc:99: Failure
      Expected: arena.ApproximateMemoryUsage()

yiwu-arbug

#include <atomic>
#include <stdio.h>
#include <string>
#include <thread>
#include <vector>
using namespace std;

int main(int argc, char**argv) {
  const int loop = 10000000;
  const int num_threads = 16;