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Fix universal compaction bug

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Summary:
this value ``` Compaction::is_trivial_move_ ``` uninitialized .
under universal compaction , we enable ```  CompactionOptionsUniversal::allow_trivial_move  ``` ,
9b11d4345a/db/compaction.cc (L245)
here is a disastrous bug , some sst trivial move to target level without overlap check ...
THEN , DATABASE DAMAGED , WE GOT A LEVEL WITH OVERLAP !
Closes https://github.com/facebook/rocksdb/pull/2634

Differential Revision: D5530722

Pulled By: siying

fbshipit-source-id: 425ab55bca5967110377d634258360bcf88c200e
This commit is contained in:
奏之章 2017-07-31 14:22:37 -07:00 committed by Facebook Github Bot
parent 6a36b3a7b9
commit 3218edc573
1 changed files with 1 additions and 0 deletions
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1
db/compaction.cc
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@ -169,6 +169,7 @@ Compaction::Compaction(VersionStorageInfo* vstorage,
bottommost_level_(IsBottommostLevel(output_level_, vstorage, inputs_)), bottommost_level_(IsBottommostLevel(output_level_, vstorage, inputs_)),
is_full_compaction_(IsFullCompaction(vstorage, inputs_)), is_full_compaction_(IsFullCompaction(vstorage, inputs_)),
is_manual_compaction_(_manual_compaction), is_manual_compaction_(_manual_compaction),
is_trivial_move_(false),
compaction_reason_(_compaction_reason) { compaction_reason_(_compaction_reason) {
MarkFilesBeingCompacted(true); MarkFilesBeingCompacted(true);
if (is_manual_compaction_) { if (is_manual_compaction_) {