ankit-j commented on a change in pull request #2096: Entries must be
acknowledged by bookies in multiple fault domains before being acknowledged to
client
URL: https://github.com/apache/bookkeeper/pull/2096#discussion_r286271112
##########
File path:
bookkeeper-server/src/main/java/org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.java
##########
@@ -1060,4 +1061,33 @@ public boolean
isEnsembleAdheringToPlacementPolicy(List<BookieSocketAddress> ens
}
return true;
}
+
+ @Override
+ public boolean
areAckedBookiesAdheringToPlacementPolicy(Set<BookieSocketAddress> ackedBookies)
{
+ HashSet<String> rackCounter = new HashSet<>();
+
+ ReentrantReadWriteLock.ReadLock readLock = rwLock.readLock();
+ readLock.lock();
+ try {
+ for (BookieSocketAddress bookie : ackedBookies) {
+ try {
+
rackCounter.add(knownBookies.get(bookie).getNetworkLocation());
+ } catch (Exception e) {
+ LOG.warn("Received exception while trying to get network
location of bookie: {}", bookie, e);
+ }
+ }
+
+ // Check to make sure that ensemble is writing to
`minNumberOfRacks`'s number of racks at least.
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("areAckedBookiesAdheringToPlacementPolicy returning
{} because number of racks = {} and "
+ + "minNumRacksPerWriteQuorum = {}",
+ rackCounter.size() >= minNumRacksPerWriteQuorum,
+ rackCounter.size(),
+ minNumRacksPerWriteQuorum);
+ }
+ } finally {
+ readLock.unlock();
+ }
+ return rackCounter.size() >= minNumRacksPerWriteQuorum;
Review comment:
As per our discussion not sure this is the right approach, but doing these
changes nevertheless.
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