chandrasekhar-188k commented on code in PR #5841:
URL: https://github.com/apache/hbase/pull/5841#discussion_r1580639524
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hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/InitMetaProcedure.java:
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@@ -119,6 +122,19 @@ protected Flow executeFromState(MasterProcedureEnv env,
InitMetaState state)
// namespaces when starting.
insertNamespaceToMeta(env.getMasterServices().getConnection(),
DEFAULT_NAMESPACE);
insertNamespaceToMeta(env.getMasterServices().getConnection(),
SYSTEM_NAMESPACE);
+ // create the additional namespaces based on the configuration value
+ String[] customNamespaces =
+ env.getMasterConfiguration().getStrings(ADDITIONAL_NAMESPACES);
+ if (null != customNamespaces && customNamespaces.length > 0) {
+ Arrays.stream(customNamespaces).forEach(ns -> {
Review Comment:
This improvement provides a config option for operators to create the
additional namespaces during the HBase startup. This would eliminate the need
to wrap createTable calls in checkAndCreateNamespace or provide separate
cluster bootstrap functionality to guarantee that the namespace is created.
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