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Update comments about default WALRecoveryMode 

Summary:
The default changed in 6a14f7a976 but this comment was not updated.
Closes https://github.com/facebook/rocksdb/pull/3409

Differential Revision: D6808264

Pulled By: maysamyabandeh

fbshipit-source-id: 0d7e2a054eb181e9a144fcb783cf0b2c77219bc0
This commit is contained in:
Ben Darnell 2018-01-25 18:07:42 -08:00 committed by Facebook Github Bot
parent 1039133f2d
commit 65d431639b
1 changed files with 2 additions and 2 deletions
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4
include/rocksdb/options.h
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@ -274,14 +274,14 @@ struct ColumnFamilyOptions : public AdvancedColumnFamilyOptions {
enum class WALRecoveryMode : char {
// Original levelDB recovery
// We tolerate incomplete record in trailing data on all logs
// Use case : This is legacy behavior (default)
// Use case : This is legacy behavior
kTolerateCorruptedTailRecords = 0x00,
// Recover from clean shutdown
// We don't expect to find any corruption in the WAL
// Use case : This is ideal for unit tests and rare applications that
// can require high consistency guarantee
kAbsoluteConsistency = 0x01,
// Recover to point-in-time consistency
// Recover to point-in-time consistency (default)
// We stop the WAL playback on discovering WAL inconsistency
// Use case : Ideal for systems that have disk controller cache like
// hard disk, SSD without super capacitor that store related data