sijie commented on a change in pull request #425: BOOKKEEPER-1105:
RackAwarePolicy: Failure to map node into rack may result in failure to add
other nodes.
URL: https://github.com/apache/bookkeeper/pull/425#discussion_r133079593
##########
File path:
bookkeeper-server/src/main/java/org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.java
##########
@@ -136,9 +208,11 @@ protected RackawareEnsemblePlacementPolicyImpl
initialize(DNSToSwitchMapping dns
int
maxWeightMultiple,
StatsLogger
statsLogger) {
this.statsLogger = statsLogger;
+ this.bookiesJoinedCounter = statsLogger == null ? null :
statsLogger.getOpStatsLogger(BookKeeperServerStats.BOOKIES_JOINED);
Review comment:
when the statsLogger would be null? we should use NullStatsLogger for the
`null` case, rather than passing in a `null`.
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