sijie commented on a change in pull request #1218: Support LacPiggyback,
LongPoll and ExplicitLac in db ledger storage
URL: https://github.com/apache/bookkeeper/pull/1218#discussion_r171349298
##########
File path:
bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/storage/ldb/DbLedgerStorage.java
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@@ -712,23 +874,38 @@ public EntryLogger getEntryLogger() {
@Override
public long getLastAddConfirmed(long ledgerId) throws IOException {
- throw new UnsupportedOperationException();
+ TransientLedgerInfo ledgerInfo =
transientLedgerInfoCache.getIfPresent(ledgerId);
+ Long lac = null != ledgerInfo ? ledgerInfo.getLastAddConfirmed() :
null;
+ if (null == lac) {
+ ByteBuf bb = getEntry(ledgerId, BookieProtocol.LAST_ADD_CONFIRMED);
+ bb.skipBytes(2 * Long.BYTES); // skip ledger id and entry id
+ lac = bb.readLong();
Review comment:
yes. I was actually fixing that for InterleavedLedgerStorage as well. not
sure why it didn't get in this PR. pushing it.
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