huaxiangsun commented on a change in pull request #2570:
URL: https://github.com/apache/hbase/pull/2570#discussion_r510413507
##########
File path:
hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.java
##########
@@ -198,6 +208,36 @@ private boolean tryComplete(LocateRequest req,
CompletableFuture<RegionLocations
conn.getConfiguration().getInt(LOCATE_PREFETCH_LIMIT,
DEFAULT_LOCATE_PREFETCH_LIMIT);
this.useMetaReplicas =
conn.getConfiguration().getBoolean(USE_META_REPLICAS,
DEFAULT_USE_META_REPLICAS);
+
+ if (this.useMetaReplicas) {
+ if (conn.getConfiguration()
+ .get(META_REPLICAS_MODE,
"").equals(MetaReplicaMode.LoadBalance.toString())) {
+ this.metaReplicaMode = MetaReplicaMode.LoadBalance;
+ int numOfMetaReplicas = conn.getConfiguration().getInt(
+ META_REPLICAS_NUM, DEFAULT_META_REPLICA_NUM);
+ if (numOfMetaReplicas <= 1) {
+ LOG.error("Configured to support meta replica load balance mode,"
+ + " but there is no meta replica configured");
+ this.metaReplicaChooser = null;
+ } else {
+ String metaReplicaChooserImpl = conn.getConfiguration().get(
Review comment:
Ok.
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