pingcap / pingcap/tiflash

More metrics about PageStorage

Open
#6,162 1 comment 0 reactions 1 assignee View on GitHub

@JaySon-Huang is already working on this.

Since Oct 19, 2022.

type/enhancement
Dominant language
C++
Stars
1k
Forks
423
Avg merge
1d 15h
Merged PRs (30d)
24

Description

Enhancement

  • The latency of reading pages from PageStorage, and some breakdown:
    • latency of getting PageEntry from PageDirectory
    • latency of reading PageData from BlobStore
  • The latency of writing pages into PageStorage, and some breakdown:
    • latency of getting insert offset by SpaceMap
    • latency of persisting PageData into BlobFile
    • latency of applying changes into PageDirectory
  • Breakdown the duration time of PageStorage GC
  • The number of pages in memory
  • The number of log files on disk
  • The total size of log files on disk
  • The memory usage when running GC

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