错误严重性等级:
Status::Severity::kSoftError
- Errors of this severity do not prevent writes to the DB, but it does mean that the DB is in a degraded mode. Background compactions and flush may not be able to run in a timely manner.Status::Severity::kHardError
- The DB is in read-only mode, but it can be transitioned back to read-write mode once the cause of the error has been addressed.Status::Severity::kFatalError
- The DB is in read-only mode. The only way to recover is to close the DB, remedy the underlying cause of the error, and then re-open the DB.Status::Severity::kUnrecoverableError
- This is the highest severity and indicates a corruption in the database. It may be possible to close and re-open the DB, but the contents of the database may no longer be correct.
错误严重性映射关系:
BackgroundErrorReason
|
Status::Code
|
Status::SubCode
|
paranoid_checks
|
Status::Severity
|
BackgroundErrorReason::kCompaction
|
Status::Code::kIOError
|
Status::SubCode::kNoSpace
|
true
|
Status::Severity::kSoftError
|
BackgroundErrorReason::kCompaction
|
Status::Code::kIOError
|
Status::SubCode::kNoSpace
|
false
|
Status::Severity::kNoError
|
BackgroundErrorReason::kCompaction
|
Status::Code::kIOError
|
Status::SubCode::kSpaceLimit
|
true
|
Status::Severity::kHardError
|
BackgroundErrorReason::kCompaction
|
Status::Code::kCorruption
|
true
|
Status::Severity::kUnrecoverableError
|
|
BackgroundErrorReason::kCompaction
|
Status::Code::kCorruption
|
|
false
|
Status::Severity::kNoError
|
BackgroundErrorReason::kCompaction
|
Status::Code::kIOError
|
true
|
Status::Severity::kFatalError
|
|
BackgroundErrorReason::kCompaction
|
Status::Code::kIOError
|
false
|
Status::Severity::kNoError
|
|
BackgroundErrorReason::kCompaction
|
|
true
|
Status::Severity::kFatalError
|
|
BackgroundErrorReason::kCompaction
|
|
false
|
Status::Severity::kNoError
|
|
BackgroundErrorReason::kFlush
|
Status::Code::kIOError
|
Status::SubCode::kNoSpace
|
true |
Status::Severity::kHardError
|
BackgroundErrorReason::kFlush
|
Status::Code::kIOError
|
Status::SubCode::kNoSpace
|
false | Status::Severity::kNoError |
BackgroundErrorReason::kFlush
|
Status::Code::kIOError
|
Status::SubCode::kSpaceLimit | true |
Status::Severity::kHardError
|
BackgroundErrorReason::kFlush
|
Status::Code::kCorruption
|
true |
Status::Severity::kUnrecoverableError
|
|
BackgroundErrorReason::kFlush
|
Status::Code::kCorruption
|
false |
Status::Severity::kNoError
|
|
BackgroundErrorReason::kFlush
|
Status::Code::kIOError
|
true |
Status::Severity::kFatalError
|
|
BackgroundErrorReason::kFlush
|
Status::Code::kIOError
|
false |
Status::Severity::kNoError
|
|
BackgroundErrorReason::kFlush
|
|
true |
Status::Severity::kFatalError
|
|
BackgroundErrorReason::kFlush
|
|
false |
Status::Severity::kNoError
|
|
BackgroundErrorReason::kWriteCallback
|
Status::Code::kIOError
|
Status::SubCode::kNoSpace
|
true
|
Status::Severity::kHardError
|
BackgroundErrorReason::kWriteCallback
|
Status::Code::kIOError
|
Status::SubCode::kNoSpace
|
false |
Status::Severity::kHardError
|
BackgroundErrorReason::kWriteCallback
|
Status::Code::kCorruption | true |
Status::Severity::kUnrecoverableError
|
|
BackgroundErrorReason::kWriteCallback
|
Status::Code::kCorruption | false |
Status::Severity::kNoError
|
|
BackgroundErrorReason::kWriteCallback
|
Status::Code::kIOError | true |
Status::Severity::kFatalError
|
|
BackgroundErrorReason::kWriteCallback
|
Status::Code::kIOError | false |
Status::Severity::kNoError
|
|
BackgroundErrorReason::kWriteCallback
|
true |
Status::Severity::kFatalError
|
||
BackgroundErrorReason::kWriteCallback
|
false |
Status::Severity::kFatalError
|
||
BackgroundErrorReason::kMemTable
|
true
|
Status::Severity::kFatalError
|
||
BackgroundErrorReason::kMemTable
|
false |
Status::Severity::kFatalError
|