From 99c756f0fed119a1980d8d90765b3209dc925a0d Mon Sep 17 00:00:00 2001
From: sdong <siying.d@fb.com>
Date: Fri, 4 Apr 2014 10:28:58 -0700
Subject: [PATCH] Flush Buffered Info Logs Before Doing Compaction (one line
 change)

Summary: Flushing log buffer earlier to avoid confusion of time holding the locks.

Test Plan: Should be safe as long as several related db test passes

Reviewers: haobo, igor, ljin

Reviewed By: igor

CC: nkg-, leveldb

Differential Revision: https://reviews.facebook.net/D17493
---
 db/db_impl.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/db/db_impl.cc b/db/db_impl.cc
index 0f1d227cd..28cf48547 100644
--- a/db/db_impl.cc
+++ b/db/db_impl.cc
@@ -2945,6 +2945,7 @@ Status DBImpl::DoCompactionWork(CompactionState* compact,
 
   // Release mutex while we're actually doing the compaction work
   mutex_.Unlock();
+  log_buffer->FlushBufferToLog();
 
   const uint64_t start_micros = env_->NowMicros();
   unique_ptr<Iterator> input(versions_->MakeInputIterator(compact->compaction));
-- 
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