athanatos opened a new pull request #876: Issue 870: ScanAndCompareGarbageCollector: harden against LM bugs URL: https://github.com/apache/bookkeeper/pull/876 The idea behind this patch is to make it more likely that more than one LedgerManager bug would be required to erroneously believe a ledger to be deleted. 1) Remove the special handling for the completely empty LM. It's not really a common case nor is it much of an optimization even when it happens. 2) Add a config variable to cause the bookie to also check the LedgerManager.readLedgerMetadata path before actually removing a ledger. The implementations of readLedgerMetadata and the iterator are sufficiently different that it seems worth it to have the option of checking both to guard somewhat against a bug in either. (@bug W-4292747@) (@bug W-3027938@) Signed-off-by: Samuel Just <[email protected]> Signed-off-by: Charan Reddy Guttapalem <[email protected]> Descriptions of the changes in this PR: (PR description content here)... Master Issue: #870
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