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  1. 07 8月, 2015 1 次提交
    • A
      Fixing endless loop if seeking to end of key with seq num 0 · d7314ba7
      由 Andres Noetzli 提交于 
      Summary:
When seeking to the last occurrence of a key with sequence number 0, db_iter
ends up in an endless loop because it seeks to type kValueTypeForSeek
which is larger than kTypeDeletion/kTypeValue. Added test case that triggers
the behavior.

Test Plan: make clean all check

Reviewers: igor, rven, anthony, yhchiang, sdong

Reviewed By: sdong

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D43653
      d7314ba7
  3. 06 8月, 2015 12 次提交
    • S
      Add util/delete_scheduler_impl.cc to CMakeLists.txt · 48e6e9aa
      由 sdong 提交于 
      Summary: util/delete_scheduler_impl.cc is missing CMakeLists.txt, which fails Windows build. Add it.

Test Plan: Build in both of Windows and Linux

Reviewers: anthony, rven, yhchiang, IslamAbdelRahman

Reviewed By: IslamAbdelRahman

Subscribers: leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D43641
      48e6e9aa
    • S
      Add Statistics.getHistogramString() to print more detailed outputs of a histogram · c7742452
      由 sdong 提交于 
      Summary:
Provide a way for users to know more detailed ditribution of a histogram metrics. Example outputs:

Manually add statement
  fprintf(stdout, "%s\n", dbstats->getHistogramString(SST_READ_MICROS).c_str());
Will print out something like:

Count: 989151  Average: 1.7659  StdDev: 1.52
Min: 0.0000  Median: 1.2071  Max: 860.0000
Percentiles: P50: 1.21 P75: 1.70 P99: 5.12 P99.9: 13.67 P99.99: 21.70
------------------------------------------------------
[       0,       1 )   390839  39.513%  39.513% ########
[       1,       2 )   500918  50.641%  90.154% ##########
[       2,       3 )    79358   8.023%  98.177% ##
[       3,       4 )     6297   0.637%  98.813%
[       4,       5 )     1712   0.173%  98.986%
[       5,       6 )     1134   0.115%  99.101%
[       6,       7 )     1222   0.124%  99.224%
[       7,       8 )     1529   0.155%  99.379%
[       8,       9 )     1264   0.128%  99.507%
[       9,      10 )      988   0.100%  99.607%
[      10,      12 )     1378   0.139%  99.746%
[      12,      14 )     1828   0.185%  99.931%
[      14,      16 )      410   0.041%  99.972%
[      16,      18 )       72   0.007%  99.980%
[      18,      20 )       67   0.007%  99.986%
[      20,      25 )      106   0.011%  99.997%
[      25,      30 )       24   0.002%  99.999%
[      30,      35 )        1   0.000% 100.000%
[     250,     300 )        2   0.000% 100.000%
[     300,     350 )        1   0.000% 100.000%
[     800,     900 )        1   0.000% 100.000%

Test Plan: Manually add a print in db_bench and make sure it prints out as expected. Will add some codes to cover the function

Subscribers: leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D43611
      c7742452
    • I
      Make DeleteScheduler tests more reliable · 29b028b0
      由 Islam AbdelRahman 提交于 
      Summary: Update DeleteScheduler tests so that they verify the used penalties for waiting instead of measuring the time spent which is not reliable

Test Plan:
make -j64 delete_scheduler_test && ./delete_scheduler_test
COMPILE_WITH_TSAN=1 make -j64 delete_scheduler_test && ./delete_scheduler_test
COMPILE_WITH_ASAN=1 make -j64 delete_scheduler_test && ./delete_scheduler_test

make -j64 db_test && ./db_test --gtest_filter="DBTest.RateLimitedDelete:DBTest.DeleteSchedulerMultipleDBPaths"
COMPILE_WITH_TSAN=1 make -j64 db_test && ./db_test --gtest_filter="DBTest.RateLimitedDelete:DBTest.DeleteSchedulerMultipleDBPaths"
COMPILE_WITH_ASAN=1 make -j64 db_test && ./db_test --gtest_filter="DBTest.RateLimitedDelete:DBTest.DeleteSchedulerMultipleDBPaths"

Reviewers: yhchiang, sdong

Reviewed By: sdong

Subscribers: dhruba

Differential Revision: https://reviews.facebook.net/D43635
      29b028b0
    • S
      valgrind_check to exit on test failures · fca88f8e
      由 sdong 提交于 
      Summary: Currently, valgrind_check doesn't fail on test failures, which creates confusion. valgrind_check should fail if test fails.

Test Plan: Manually change tests to return test failure or cause memory leak and see valgrind_check has the correct behavior.

Reviewers: anthony, yhchiang, IslamAbdelRahman, igor, kradhakrishnan, rven

Reviewed By: rven

Subscribers: leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D43629
      fca88f8e
    • P
      Fix build failure · 7d364d0d
      由 Poornima Chozhiyath Raman 提交于 
      Summary: fix the build failure

Test Plan: make all

Reviewers: sdong, IslamAbdelRahman

Reviewed By: IslamAbdelRahman

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D43623
      7d364d0d
    • P
      Add function 'GetInfoLogList()' · 960d936e
      由 Poornima Chozhiyath Raman 提交于 
      Summary: The list of info log files of a db can be obtained using the new function.

Test Plan: New test in db_test.cc passed.

Reviewers: yhchiang, IslamAbdelRahman, sdong

Reviewed By: sdong

Subscribers: IslamAbdelRahman, leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D41715
      960d936e
    • S
      Add two unit tests for SyncWAL() · 7ccd1c80
      由 sdong 提交于 
      Summary:
Add two unit tests for SyncWAL(). One makes sure SyncWAL() doesn't block writes in the other thread. Another one makes sure SyncWAL() doesn't wait ongoing writes to finish before being executed.

Create a new test file db_wal_test and move two WAL related tests from db_test to here.

Test Plan: Run the new tests

Reviewers: IslamAbdelRahman, rven, kradhakrishnan, kolmike, tnovak, yhchiang

Reviewed By: yhchiang

Subscribers: leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D43605
      7ccd1c80
    • S
      Add statistic histogram "rocksdb.sst.read.micros" · 3ae386ea
      由 sdong 提交于 
      Summary: Measure read latency histogram and put in statistics. Compaction inputs are excluded from it when possible (unfortunately usually no possible as we usually take table reader from table cache.

Test Plan:
Run db_bench and it shows the stats, like:

rocksdb.sst.read.micros statistics Percentiles :=> 50 : 1.238522 95 : 2.529740 99 : 3.912180

Reviewers: kradhakrishnan, rven, anthony, IslamAbdelRahman, MarkCallaghan, yhchiang

Reviewed By: yhchiang

Subscribers: leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D43275
      3ae386ea
    • S
      "make commit-prereq" should clean up rocksjava properly · 8ecb51a7
      由 sdong 提交于 
      Summary: "make commit-prereq" fails to clean up java, which can cause rocksjava failure.

Test Plan: Run commit-prepreq

Reviewers: IslamAbdelRahman, rven, kradhakrishnan, yhchiang

Reviewed By: yhchiang

Subscribers: leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D43575
      8ecb51a7
    • I
      Enable DBTest.FlushSchedule under TSAN · 9aec75fb
      由 Islam AbdelRahman 提交于 
      Summary: This patch will fix the false positive of DBTest.FlushSchedule under TSAN, we dont need to disable this test

Test Plan: COMPILE_WITH_TSAN=1 make -j64 db_test && ./db_test --gtest_filter="DBTest.FlushSchedule"

Reviewers: yhchiang, sdong

Reviewed By: sdong

Subscribers: dhruba

Differential Revision: https://reviews.facebook.net/D43599
      9aec75fb
    • I
      Fix TSAN for delete_scheduler_test · bd2fc5f5
      由 Islam AbdelRahman 提交于 
      Summary: Fixing TSAN false positive and relaxing the conditions when we are running under TSAN

Test Plan: COMPILE_WITH_TSAN=1 make -j64 delete_scheduler_test && ./delete_scheduler_test

Reviewers: yhchiang, sdong

Reviewed By: sdong

Subscribers: dhruba

Differential Revision: https://reviews.facebook.net/D43593
      bd2fc5f5
    • S
      Fix misplaced position for reversing iterator direction while current key is a merge · 8e01bd11
      由 sdong 提交于 
      Summary:
While doing forward iterating, if current key is merge, internal iterator position is placed to the next key. If Prev() is called now, needs to do extra Prev() to recover the location.
This is second attempt of fixing after reverting ec70fea4. This time shrink the fix to only merge key is the current key and avoid the reseeking logic for max_iterating skipping

Test Plan: enable the two disabled tests and make sure they pass

Reviewers: rven, IslamAbdelRahman, kradhakrishnan, tnovak, yhchiang

Reviewed By: yhchiang

Subscribers: leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D43557
      8e01bd11
  5. 05 8月, 2015 23 次提交
  7. 04 8月, 2015 4 次提交
    • Y
      Fix compile warning in compact_on_deletion_collector in some environment · be8621ff
      由 Yueh-Hsuan Chiang 提交于 
      Summary: Fix compile warning in compact_on_deletion_collector some environment

Test Plan: make

Reviewers: igor, sdong, anthony, IslamAbdelRahman

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D43467
      be8621ff
    • Y
      Add CompactOnDeletionCollector in utilities/table_properties_collectors. · 26894303
      由 Yueh-Hsuan Chiang 提交于 
      Summary:
This diff adds CompactOnDeletionCollector in utilities/table_properties_collectors,
which applies a sliding window to a sst file and mark this file as need-compaction
when it observe enough deletion entries within the consecutive keys covered by
the sliding window.

Test Plan: compact_on_deletion_collector_test

Reviewers: igor, anthony, IslamAbdelRahman, kradhakrishnan, yoshinorim, sdong

Reviewed By: sdong

Subscribers: maykov, dhruba

Differential Revision: https://reviews.facebook.net/D41175
      26894303
    • V
      Fix CompactFiles by adding all necessary files · 20b244fc
      由 Venkatesh Radhakrishnan 提交于 
      Summary:
The compact files API had a bug where some overlapping files
are not added. These are files which overlap with files which were
added to the compaction input files, but not to the original set of
input files. This happens only when there are more than two levels
involved in the compaction. An example will illustrate this better.

Level 2 has 1 input file 1.sst which spans [20,30].

Level 3 has added file  2.sst which spans [10,25]

Level 4 has file 3.sst which spans [35,40] and
        input file 4.sst which spans [46,50].

The existing code would not add 3.sst to the set of input_files because
it only becomes an overlapping file in level 4 and it wasn't one in
level 3.

When installing the results of the compaction, 3.sst would overlap with
output file from the compact files and result in the assertion in
version_set.cc:1130

 // Must not overlap
   assert(level <= 0 || level_files->empty() ||
            internal_comparator_->Compare(
                (*level_files)[level_files->size() - 1]->largest, f->smallest) <
                0);
This change now adds overlapping files from the current level to the set
of input files also so that we don't hit the assertion above.

Test Plan:
d=/tmp/j; rm -rf $d; seq 1000 | parallel --gnu --eta
'd=/tmp/j/d-{}; mkdir -p $d; TEST_TMPDIR=$d ./db_compaction_test
--gtest_filter=*CompactilesOnLevel* --gtest_also_run_disabled_tests >&
'$d'/log-{}'

Reviewers: igor, yhchiang, sdong

Reviewed By: yhchiang

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D43437
      20b244fc
    • V
      Make SuggestCompactRangeNoTwoLevel0Compactions deterministic · 87df6295
      由 Venkatesh Radhakrishnan 提交于 
      Summary:
Made SuggestCompactRangeNoTwoLevel0Compactions by forcing
a flush after generating a file and waiting for compaction at the end.

Test Plan: Run SuggestCompactRangeNoTwoLevel0Compactions

Reviewers: yhchiang, igor, sdong

Reviewed By: sdong

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D43449
      87df6295