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Make DBCompactionTestWithParam::CompactionTrigger more deterministic 

Summary: Make DBCompactionTestWithParam::CompactionTrigger more deterministic

Test Plan: ./db_compaction_test

Reviewers: anthony, IslamAbdelRahman, rven, kradhakrishnan, sdong

Reviewed By: sdong

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D51507
This commit is contained in:
Yueh-Hsuan Chiang 2015-12-02 14:06:33 -08:00
parent bcd7bd1229
commit bd7a49d448
1 changed files with 7 additions and 3 deletions
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10
db/db_compaction_test.cc
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@ -461,16 +461,17 @@ TEST_F(DBCompactionTest, DisableStatsUpdateReopen) {
TEST_P(DBCompactionTestWithParam, CompactionTrigger) {
int kNumKeysPerFile = 100;
const int kNumKeysPerFile = 100;
Options options;
options.write_buffer_size = 200 << 10;
options.write_buffer_size = 110 << 10; // 110KB
options.arena_block_size = 4 << 10;
options.num_levels = 3;
options.level0_file_num_compaction_trigger = 3;
options.max_subcompactions = max_subcompactions_;
options.memtable_factory.reset(new SpecialSkipListFactory(kNumKeysPerFile));
options = CurrentOptions(options);
options.memtable_factory.reset(new SpecialSkipListFactory(kNumKeysPerFile));
CreateAndReopenWithCF({"pikachu"}, options);
Random rnd(301);
@ -483,6 +484,7 @@ TEST_P(DBCompactionTestWithParam, CompactionTrigger) {
values.push_back(RandomString(&rnd, 990));
ASSERT_OK(Put(1, Key(i), values[i]));
}
// put extra key to trigger flush
ASSERT_OK(Put(1, "", ""));
dbfull()->TEST_WaitForFlushMemTable(handles_[1]);
ASSERT_EQ(NumTableFilesAtLevel(0, 1), num + 1);
@ -490,10 +492,12 @@ TEST_P(DBCompactionTestWithParam, CompactionTrigger) {
// generate one more file in level-0, and should trigger level-0 compaction
std::vector<std::string> values;
for (int i = 0; i < 100; i++) {
for (int i = 0; i < kNumKeysPerFile; i++) {
values.push_back(RandomString(&rnd, 990));
ASSERT_OK(Put(1, Key(i), values[i]));
}
// put extra key to trigger flush
ASSERT_OK(Put(1, "", ""));
dbfull()->TEST_WaitForCompact();
ASSERT_EQ(NumTableFilesAtLevel(0, 1), 0);