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https://issues.apache.org/jira/browse/HDFS-16978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17712013#comment-17712013
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ASF GitHub Bot commented on HDFS-16978:
---------------------------------------
virajjasani commented on code in PR #5554:
URL: https://github.com/apache/hadoop/pull/5554#discussion_r1165897523
##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/tools/federation/RouterAdmin.java:
##########
@@ -462,6 +481,111 @@ public int run(String[] argv) throws Exception {
return exitCode;
}
+ private boolean addAllMount(String[] parameters, int i) throws IOException {
+ List<AddMountAttributes> addMountAttributesList = new ArrayList<>();
+ while (i < parameters.length) {
+ // Mandatory parameters
+ String mount = parameters[i++];
+ String[] nss = parameters[i++].split(",");
+ String dest = parameters[i++];
+
+ // Optional parameters
+ boolean readOnly = false;
+ boolean faultTolerant = false;
+ String owner = null;
+ String group = null;
+ FsPermission mode = null;
+ DestinationOrder order = DestinationOrder.HASH;
+ while (i < parameters.length && !",".equals(parameters[i])) {
Review Comment:
I was thinking of the same, the only problem is, here we need to retain the
value of `i` and for single add, we don't need to. Let me see how best we can
refactor this. On the other hand, would you be fine if I do the refactor as a
followup Jira?
> RBF: New Router admin command to support bulk add of mount points
> -----------------------------------------------------------------
>
> Key: HDFS-16978
> URL: https://issues.apache.org/jira/browse/HDFS-16978
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Minor
> Labels: pull-request-available
>
> All state store implementations support adding multiple state store records
> using single putAll() implementation. We should provide new router admin API
> to support bulk addition of mount table entries that can utilize this build
> add implementation at state store level.
> For more than one mount point to be added, the goal of bulk addition should be
> # To reduce frequent router calls
> # To avoid frequent state store cache refreshers with each single mount
> point addition
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