fix: do not call onMemChange in alloc #632
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…block empty, which breaks a precondition for some operations (e.g. revertToCheckpoint) Signed-off-by: ekexium <eke@fastmail.com>
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@disksing PTAL |
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ref: pingcap/tidb#39611
We shall not call a.onMemChange() in
alloc, since it will make the latest block empty if the callback finally decides to panic, which breaks a precondition for some operations (e.g. revertToCheckpoint)