Gargi-jais11 commented on code in PR #9318:
URL: https://github.com/apache/ozone/pull/9318#discussion_r2592488698
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hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/server/ServerUtils.java:
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@@ -300,11 +300,88 @@ public static String getRemoteUserName() {
return remoteUser != null ? remoteUser.getUserName() : null;
}
- public static String getDefaultRatisDirectory(ConfigurationSource conf) {
+ /**
+ * Get the default Ratis directory for a component when the specific
+ * configuration is not set. This creates a component-specific subdirectory
+ * under ozone.metadata.dirs to avoid conflicts when multiple components
+ * are colocated on the same host.
+ *
+ * <p>For backward compatibility during upgrades, this method checks for
+ * existing Ratis data in old locations before using the new
component-specific
+ * location. See {@link #findExistingRatisDirectory} for details on old
locations.
+ *
+ * @param conf Configuration source
+ * @param componentName Name of the component (e.g., "scm", "om", "dn")
+ * @return Path to the component-specific ratis directory
+ */
+ public static String getDefaultRatisDirectory(ConfigurationSource conf,
+ String componentName) {
Review Comment:
Ok
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