saintstack commented on a change in pull request #1039: HBASE-23647: Make
MasterRegistry the default impl.
URL: https://github.com/apache/hbase/pull/1039#discussion_r369939988
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/LocalHBaseCluster.java
##########
@@ -170,27 +171,36 @@ public LocalHBaseCluster(final Configuration conf, final
int noMasters,
this.masterClass = (Class<? extends HMaster>)
conf.getClass(HConstants.MASTER_IMPL, masterClass);
// Start the HMasters.
- for (int i = 0; i < noMasters; i++) {
+ int i;
+ for (i = 0; i < noMasters; i++) {
addMaster(new Configuration(conf), i);
}
-
- // Populate the master address host ports in the config. This is needed if
a master based
- // registry is configured for client metadata services (HBASE-18095)
- List<String> masterHostPorts = new ArrayList<>();
- getMasters().forEach(masterThread ->
-
masterHostPorts.add(masterThread.getMaster().getServerName().getAddress().toString()));
- conf.set(HConstants.MASTER_ADDRS_KEY, String.join(",", masterHostPorts));
-
+ for (int j = 0; j < noAlwaysStandByMasters; j++) {
+ Configuration c = new Configuration(conf);
+ c.set(HConstants.MASTER_IMPL,
"org.apache.hadoop.hbase.master.AlwaysStandByHMaster");
+ addMaster(c, i + j);
+ }
// Start the HRegionServers.
this.regionServerClass =
(Class<? extends
HRegionServer>)conf.getClass(HConstants.REGION_SERVER_IMPL,
regionServerClass);
- for (int i = 0; i < noRegionServers; i++) {
- addRegionServer(new Configuration(conf), i);
+ for (int j = 0; j < noRegionServers; j++) {
+ addRegionServer(new Configuration(conf), j);
}
}
+ /**
+ * Populates the master address host ports in the config. This is needed if
a master based
+ * registry is configured for client metadata services (HBASE-18095)
+ */
+ private void refreshMasterAddrsConfig() {
+ List<String> masterHostPorts = new ArrayList<>();
+ getMasters().forEach(masterThread ->
+
masterHostPorts.add(masterThread.getMaster().getServerName().getAddress().toString()));
+ conf.set(HConstants.MASTER_ADDRS_KEY, String.join(",", masterHostPorts));
Review comment:
I could be obnoxious here but won't. Better to do as you have done here and
just move the code.... not change it.
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