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Fix checkpoint_test hang (#7849)

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Summary:
`CheckpointTest.CurrentFileModifiedWhileCheckpointing` could hang
because now create checkpoint triggers flush twice. The test should wait
both flush done.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7849

Test Plan: `gtest-parallel ./checkpoint_test --gtest_filter=CheckpointTest.CurrentFileModifiedWhileCheckpointing -r 100`

Reviewed By: ajkr

Differential Revision: D25860713

Pulled By: jay-zhuang

fbshipit-source-id: e1c2f23037dedc33e205519f4289a25e77816b41
This commit is contained in:
Jay Zhuang 2021-01-09 13:22:01 -08:00
parent eeea27a048
commit dff9219df6
2 changed files with 2 additions and 1 deletions
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1
utilities/checkpoint/checkpoint_impl.cc
View File

@ -247,6 +247,7 @@ Status CheckpointImpl::CreateCustomCheckpoint(
// GetLiveFiles atomically. But that needs changes to GetLiveFiles' signature
// which is a public API.
s = db_->GetLiveFiles(live_files, &manifest_file_size, flush_memtable);
TEST_SYNC_POINT("CheckpointImpl::CreateCheckpoint:FlushDone");
TEST_SYNC_POINT("CheckpointImpl::CreateCheckpoint:SavedLiveFiles1");
TEST_SYNC_POINT("CheckpointImpl::CreateCheckpoint:SavedLiveFiles2");

2
utilities/checkpoint/checkpoint_test.cc
View File

@ -549,7 +549,7 @@ TEST_F(CheckpointTest, CurrentFileModifiedWhileCheckpointing) {
{// Get past the flush in the checkpoint thread before adding any keys to
// the db so the checkpoint thread won't hit the WriteManifest
// syncpoints.
{"DBImpl::GetLiveFiles:1",
{"CheckpointImpl::CreateCheckpoint:FlushDone",
"CheckpointTest::CurrentFileModifiedWhileCheckpointing:PrePut"},
// Roll the manifest during checkpointing right after live files are
// snapshotted.