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add locking around calls to RecalculateWriteStallConditions in column_family_test (#4474)

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Summary:
this should fix the current failing TSAN jobs:
The callstack for TSAN:
> WARNING: ThreadSanitizer: data race (pid=87440)
  Read of size 8 at 0x7d580000fce0 by thread T22 (mutexes: write M548703):
    #0 rocksdb::InternalStats::DumpCFStatsNoFileHistogram(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) db/internal_stats.cc:1204 (column_family_test+0x00000080eca7)
    #1 rocksdb::InternalStats::DumpCFStats(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) db/internal_stats.cc:1169 (column_family_test+0x0000008106d0)
    #2 rocksdb::InternalStats::HandleCFStats(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, rocksdb::Slice) db/internal_stats.cc:578 (column_family_test+0x000000810720)
    #3 rocksdb::InternalStats::GetStringProperty(rocksdb::DBPropertyInfo const&, rocksdb::Slice const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) db/internal_stats.cc:488 (column_family_test+0x00000080670c)
    #4 rocksdb::DBImpl::DumpStats() db/db_impl.cc:625 (column_family_test+0x00000070ce9a)

>  Previous write of size 8 at 0x7d580000fce0 by main thread:
    #0 rocksdb::InternalStats::AddCFStats(rocksdb::InternalStats::InternalCFStatsType, unsigned long) db/internal_stats.h:324 (column_family_test+0x000000693bbf)
    #1 rocksdb::ColumnFamilyData::RecalculateWriteStallConditions(rocksdb::MutableCFOptions const&) db/column_family.cc:818 (column_family_test+0x000000693bbf)
    #2 rocksdb::ColumnFamilyTest_WriteStallSingleColumnFamily_Test::TestBody() db/column_family_test.cc:2563 (column_family_test+0x0000005e5a49)
Pull Request resolved: https://github.com/facebook/rocksdb/pull/4474

Differential Revision: D10262099

Pulled By: miasantreble

fbshipit-source-id: 1247973a3ca32e399b4575d3401dd5439c39efc5
This commit is contained in:
Zhongyi Xie 2018-10-09 14:08:17 -07:00 committed by Facebook Github Bot
parent cac87fcf57
commit 283a700f5d
1 changed files with 65 additions and 55 deletions
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120
db/column_family_test.cc
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@ -513,6 +513,16 @@ class ColumnFamilyTestBase : public testing::Test {
return static_cast<int>(files.size());
}
void RecalculateWriteStallConditions(ColumnFamilyData* cfd,
const MutableCFOptions& mutable_cf_options) {
// add lock to avoid race condition between
// `RecalculateWriteStallConditions` which writes to CFStats and
// background `DBImpl::DumpStats()` threads which read CFStats
dbfull()->TEST_LockMutex();
cfd->RecalculateWriteStallConditions(mutable_cf_options);
dbfull()-> TEST_UnlockMutex();
}
std::vector<ColumnFamilyHandle*> handles_;
std::vector<std::string> names_;
std::vector<std::set<std::string>> keys_;
@ -2500,139 +2510,139 @@ TEST_P(ColumnFamilyTest, WriteStallSingleColumnFamily) {
mutable_cf_options.disable_auto_compactions = false;
vstorage->TEST_set_estimated_compaction_needed_bytes(50);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(!dbfull()->TEST_write_controler().NeedsDelay());
vstorage->TEST_set_estimated_compaction_needed_bytes(201);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate, GetDbDelayedWriteRate());
ASSERT_EQ(6, dbfull()->TEST_BGCompactionsAllowed());
vstorage->TEST_set_estimated_compaction_needed_bytes(400);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate / 1.25, GetDbDelayedWriteRate());
ASSERT_EQ(6, dbfull()->TEST_BGCompactionsAllowed());
vstorage->TEST_set_estimated_compaction_needed_bytes(500);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate / 1.25 / 1.25, GetDbDelayedWriteRate());
vstorage->TEST_set_estimated_compaction_needed_bytes(450);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate / 1.25, GetDbDelayedWriteRate());
vstorage->TEST_set_estimated_compaction_needed_bytes(205);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate, GetDbDelayedWriteRate());
vstorage->TEST_set_estimated_compaction_needed_bytes(202);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate, GetDbDelayedWriteRate());
vstorage->TEST_set_estimated_compaction_needed_bytes(201);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate, GetDbDelayedWriteRate());
vstorage->TEST_set_estimated_compaction_needed_bytes(198);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(!dbfull()->TEST_write_controler().NeedsDelay());
vstorage->TEST_set_estimated_compaction_needed_bytes(399);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate, GetDbDelayedWriteRate());
vstorage->TEST_set_estimated_compaction_needed_bytes(599);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate / 1.25, GetDbDelayedWriteRate());
vstorage->TEST_set_estimated_compaction_needed_bytes(2001);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(IsDbWriteStopped());
ASSERT_TRUE(!dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(6, dbfull()->TEST_BGCompactionsAllowed());
vstorage->TEST_set_estimated_compaction_needed_bytes(3001);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(IsDbWriteStopped());
ASSERT_TRUE(!dbfull()->TEST_write_controler().NeedsDelay());
vstorage->TEST_set_estimated_compaction_needed_bytes(390);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate / 1.25, GetDbDelayedWriteRate());
vstorage->TEST_set_estimated_compaction_needed_bytes(100);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(!dbfull()->TEST_write_controler().NeedsDelay());
vstorage->set_l0_delay_trigger_count(100);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate, GetDbDelayedWriteRate());
ASSERT_EQ(6, dbfull()->TEST_BGCompactionsAllowed());
vstorage->set_l0_delay_trigger_count(101);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate / 1.25, GetDbDelayedWriteRate());
vstorage->set_l0_delay_trigger_count(0);
vstorage->TEST_set_estimated_compaction_needed_bytes(300);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate / 1.25 / 1.25, GetDbDelayedWriteRate());
vstorage->set_l0_delay_trigger_count(101);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate / 1.25 / 1.25 / 1.25, GetDbDelayedWriteRate());
vstorage->TEST_set_estimated_compaction_needed_bytes(200);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate / 1.25 / 1.25, GetDbDelayedWriteRate());
vstorage->set_l0_delay_trigger_count(0);
vstorage->TEST_set_estimated_compaction_needed_bytes(0);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(!dbfull()->TEST_write_controler().NeedsDelay());
mutable_cf_options.disable_auto_compactions = true;
dbfull()->TEST_write_controler().set_delayed_write_rate(kBaseRate);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(!dbfull()->TEST_write_controler().NeedsDelay());
vstorage->set_l0_delay_trigger_count(50);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(!dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(0, GetDbDelayedWriteRate());
@ -2640,7 +2650,7 @@ TEST_P(ColumnFamilyTest, WriteStallSingleColumnFamily) {
vstorage->set_l0_delay_trigger_count(60);
vstorage->TEST_set_estimated_compaction_needed_bytes(300);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(!dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(0, GetDbDelayedWriteRate());
@ -2649,14 +2659,14 @@ TEST_P(ColumnFamilyTest, WriteStallSingleColumnFamily) {
mutable_cf_options.disable_auto_compactions = false;
vstorage->set_l0_delay_trigger_count(70);
vstorage->TEST_set_estimated_compaction_needed_bytes(500);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate, GetDbDelayedWriteRate());
vstorage->set_l0_delay_trigger_count(71);
vstorage->TEST_set_estimated_compaction_needed_bytes(501);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate / 1.25, GetDbDelayedWriteRate());
@ -2681,31 +2691,31 @@ TEST_P(ColumnFamilyTest, CompactionSpeedupSingleColumnFamily) {
mutable_cf_options.hard_pending_compaction_bytes_limit = 2000;
vstorage->TEST_set_estimated_compaction_needed_bytes(40);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_EQ(1, dbfull()->TEST_BGCompactionsAllowed());
vstorage->TEST_set_estimated_compaction_needed_bytes(50);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_EQ(6, dbfull()->TEST_BGCompactionsAllowed());
vstorage->TEST_set_estimated_compaction_needed_bytes(300);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_EQ(6, dbfull()->TEST_BGCompactionsAllowed());
vstorage->TEST_set_estimated_compaction_needed_bytes(45);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_EQ(1, dbfull()->TEST_BGCompactionsAllowed());
vstorage->set_l0_delay_trigger_count(7);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_EQ(1, dbfull()->TEST_BGCompactionsAllowed());
vstorage->set_l0_delay_trigger_count(9);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_EQ(6, dbfull()->TEST_BGCompactionsAllowed());
vstorage->set_l0_delay_trigger_count(6);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_EQ(1, dbfull()->TEST_BGCompactionsAllowed());
// Speed up threshold = min(4 * 2, 4 + (12 - 4)/4) = 6
@ -2714,15 +2724,15 @@ TEST_P(ColumnFamilyTest, CompactionSpeedupSingleColumnFamily) {
mutable_cf_options.level0_stop_writes_trigger = 30;
vstorage->set_l0_delay_trigger_count(5);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_EQ(1, dbfull()->TEST_BGCompactionsAllowed());
vstorage->set_l0_delay_trigger_count(7);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_EQ(6, dbfull()->TEST_BGCompactionsAllowed());
vstorage->set_l0_delay_trigger_count(3);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_EQ(1, dbfull()->TEST_BGCompactionsAllowed());
}
@ -2749,53 +2759,53 @@ TEST_P(ColumnFamilyTest, WriteStallTwoColumnFamilies) {
mutable_cf_options1.soft_pending_compaction_bytes_limit = 500;
vstorage->TEST_set_estimated_compaction_needed_bytes(50);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(!dbfull()->TEST_write_controler().NeedsDelay());
vstorage1->TEST_set_estimated_compaction_needed_bytes(201);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(!dbfull()->TEST_write_controler().NeedsDelay());
vstorage1->TEST_set_estimated_compaction_needed_bytes(600);
cfd1->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd1, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate, GetDbDelayedWriteRate());
vstorage->TEST_set_estimated_compaction_needed_bytes(70);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate, GetDbDelayedWriteRate());
vstorage1->TEST_set_estimated_compaction_needed_bytes(800);
cfd1->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd1, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate / 1.25, GetDbDelayedWriteRate());
vstorage->TEST_set_estimated_compaction_needed_bytes(300);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate / 1.25 / 1.25, GetDbDelayedWriteRate());
vstorage1->TEST_set_estimated_compaction_needed_bytes(700);
cfd1->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd1, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate / 1.25, GetDbDelayedWriteRate());
vstorage->TEST_set_estimated_compaction_needed_bytes(500);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate / 1.25 / 1.25, GetDbDelayedWriteRate());
vstorage1->TEST_set_estimated_compaction_needed_bytes(600);
cfd1->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd1, mutable_cf_options);
ASSERT_TRUE(!IsDbWriteStopped());
ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
ASSERT_EQ(kBaseRate / 1.25, GetDbDelayedWriteRate());
@ -2828,41 +2838,41 @@ TEST_P(ColumnFamilyTest, CompactionSpeedupTwoColumnFamilies) {
mutable_cf_options1.level0_slowdown_writes_trigger = 16;
vstorage->TEST_set_estimated_compaction_needed_bytes(40);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_EQ(1, dbfull()->TEST_BGCompactionsAllowed());
vstorage->TEST_set_estimated_compaction_needed_bytes(60);
cfd1->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd1, mutable_cf_options);
ASSERT_EQ(1, dbfull()->TEST_BGCompactionsAllowed());
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_EQ(6, dbfull()->TEST_BGCompactionsAllowed());
vstorage1->TEST_set_estimated_compaction_needed_bytes(30);
cfd1->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd1, mutable_cf_options);
ASSERT_EQ(6, dbfull()->TEST_BGCompactionsAllowed());
vstorage1->TEST_set_estimated_compaction_needed_bytes(70);
cfd1->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd1, mutable_cf_options);
ASSERT_EQ(6, dbfull()->TEST_BGCompactionsAllowed());
vstorage->TEST_set_estimated_compaction_needed_bytes(20);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_EQ(6, dbfull()->TEST_BGCompactionsAllowed());
vstorage1->TEST_set_estimated_compaction_needed_bytes(3);
cfd1->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd1, mutable_cf_options);
ASSERT_EQ(1, dbfull()->TEST_BGCompactionsAllowed());
vstorage->set_l0_delay_trigger_count(9);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_EQ(6, dbfull()->TEST_BGCompactionsAllowed());
vstorage1->set_l0_delay_trigger_count(2);
cfd1->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd1, mutable_cf_options);
ASSERT_EQ(6, dbfull()->TEST_BGCompactionsAllowed());
vstorage->set_l0_delay_trigger_count(0);
cfd->RecalculateWriteStallConditions(mutable_cf_options);
RecalculateWriteStallConditions(cfd, mutable_cf_options);
ASSERT_EQ(1, dbfull()->TEST_BGCompactionsAllowed());
}