wchevreuil commented on a change in pull request #3: Hbase 22567
URL: https://github.com/apache/hbase-operator-tools/pull/3#discussion_r300466931
##########
File path: hbase-hbck2/src/main/java/org/apache/hbase/HBCK2.java
##########
@@ -334,6 +469,51 @@ private static final String getCommandUsage() {
writer.println(" Returns \"0\" SUCCESS code if it informed region state
is changed, "
+ "\"1\" FAIL code otherwise.");
writer.println();
+ writer.println(" " + ADD_MISSING_REGIONS_IN_META_FOR_TABLES + "
<NAMESPACE|"
+ + "NAMESPACE:TABLENAME>...");
+ writer.println(" To be used in scenarios where some regions may be
missing in META,");
+ writer.println(" but there's still a valid 'regioninfo metadata file on
HDFS. ");
+ writer.println(" This is a lighter version of 'OfflineMetaRepair tool
commonly used for ");
+ writer.println(" similar issues on 1.x release line. ");
+ writer.println(" This command needs META to be online. For each table
name passed as");
+ writer.println(" parameter, it performs a diff between regions available
in META, ");
+ writer.println(" against existing regions dirs on HDFS. Then, for region
dirs with ");
+ writer.println(" no matches in META, it reads regioninfo metadata file
and ");
+ writer.println(" re-creates given region in META. Regions are re-created
in 'CLOSED' ");
+ writer.println(" state at META table only, but not in Masters' cache,
and are not ");
+ writer.println(" assigned either. A rolling Masters restart, followed by
a ");
+ writer.println(" hbck2 'assigns' command with all re-inserted regions is
required. ");
+ writer.println(" This hbck2 'assigns' command is printed for user
convenience.");
+ writer.println(" WARNING: To avoid potential region overlapping problems
due to ongoing ");
+ writer.println(" splits, this command disables given tables while
re-inserting regions. ");
+ writer.println(" An example adding missing regions for tables 'table_1'
and 'table_2':");
+ writer.println(" $ HBCK2 addMissingRegionsInMeta table_1 table_2");
+ writer.println(" Returns hbck2 'assigns' command with all re-inserted
regions.");
Review comment:
Thanks!
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
