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AutoRecovery supports batch read #4211

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hangc0276
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Motivation

We support batch reading in BP-62 and auto-recovery is the best case to support this feature. This PR supports batch reading for auto-recovery and introduces a flag recoveryBatchReadEnabled to enable batch reading for auto-recovery

Changes

We introduce a flag recoveryBatchReadEnabled to enable batch reading for auto-recovery.

@hangc0276 hangc0276 changed the title AutoRecovery support batch read AutoRecovery supports batch read Feb 19, 2024
@hangc0276 hangc0276 self-assigned this Feb 19, 2024
@hangc0276 hangc0276 added this to the 4.17.0 milestone Feb 19, 2024
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@horizonzy I introduced batch reading for auto-recovery, please help take a look, thanks.

}
toSend.release();
}
if (lastEntryId == endEntryId) {
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When lastEntryId == endEntryId, we needn't callback ledgerFragmentMcb.processResult(BKException.Code.OK, null, null);.

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Good point! Updated

LOG.error("BK error reading ledger entries: {} - {}",
startEntryId, endEntryId, BKException.create(rc));
onReadEntryFailureCallback.accept(lh.getId(), startEntryId);
ledgerFragmentMcb.processResult(rc, null, null);
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The ledgerFragmentMcb is MultiCallback, when batch read fails, the processResult invoke count may be not enough.

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Good point. Updated.

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LGTM.

@merlimat merlimat merged commit ef4ce13 into apache:master Feb 20, 2024
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Ghatage pushed a commit to sijie/bookkeeper that referenced this pull request Jul 12, 2024
* AutoRecovery support batch read

* Fix check style

* address comments
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4 participants