pingcap / pingcap/tidb

Add monitoring for system time jump forward

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#64,342 0 comments 0 reactions 0 assignees View on GitHub
type/enhancement
Dominant language
Go
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Description

## Enhancement

TiDB server have monitoring to detect whether system time jumps backward, and will print the error log "system time jump backward" if the jump happens. However, there's no good way to monitor time jump forward, and if the forward offset exceeds DDL lease(default 45s), it may cause commit failure with the error "Information schema is out of date".

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