stonewhitener / readingss

Reading list
3 stars 0 forks source link

C5: Cloned Concurrency Control That Always Keeps Up #153

Closed stonewhitener closed 1 year ago

stonewhitener commented 1 year ago

References

Summary

バックアップ上の並行性制御 C5 を提案.Monotonic Prefix Consistency を保証しながら行レベルで並行実行&スナップショットを取得するバックアップ上のスケジューラにより,レプリケーションラグを有界にした.MyRocksとCicadaに実装し,C5 の有効性を確認した.

Screen Shot 2022-11-08 at 12 00 32 Screen Shot 2022-11-08 at 12 00 16 Screen Shot 2022-11-08 at 12 00 53
stonewhitener commented 1 year ago

GitLab was unavailable for eighteen hours after a workload change caused such significant lag that replication stopped entirely. In the process of fixing the issue, user data was lost [17,18].

これおもしろい.