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cherry pick #402 and #396 to release 4.0.#410
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kennytm merged 2 commits intopingcap:release-4.0from Jul 9, 2020
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…pingcap#396) * *: run BackupRanges in parallel, change meaning of backup concurrency * backup: fix overestimated time summary * backup,task: refactor: remove backupMeta field from backup.Client This avoids the implicit race due to mutating hidden members. Instead, we use functional style (build the backupMeta bottom-up from immutable bits) to eliminate the race conditions. Co-authored-by: 3pointer <luancheng@pingcap.com>
* backup: set syncpoint at background * backup: use real duration * backup: run check safepoint at background * backup: fix some errors after merging * backup: fix some problems * backup: ensure all files are collected. * backup: use select to sync files * backup: don't select on errCh Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com>
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@kennytm,Thanks for your review. |
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approved these changes
Jul 9, 2020
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@overvenus,Thanks for your review. |
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What problem does this PR solve?
cherry-pick #402 and #396
Release Note