virajjasani commented on code in PR #4986:
URL: https://github.com/apache/hbase/pull/4986#discussion_r1081618087
##########
hbase-server/src/main/java/org/apache/hadoop/hbase/master/janitor/CatalogJanitor.java:
##########
@@ -387,59 +390,45 @@ private static boolean hasNoReferences(final
Pair<Boolean, Boolean> p) {
}
/**
- * Checks if a daughter region -- either splitA or splitB -- still holds
references to parent.
- * @param parent Parent region
- * @param daughter Daughter region
- * @return A pair where the first boolean says whether or not the daughter
region directory exists
- * in the filesystem and then the second boolean says whether the
daughter has references
- * to the parent.
+ * Checks if a region still holds references to parent.
+ * @param tableName The table for the region
+ * @param region The region to check
+ * @return A pair where the first boolean says whether the region directory
exists in the
+ * filesystem and then the second boolean says whether the region
has references to a
+ * parent.
*/
- private static Pair<Boolean, Boolean> checkDaughterInFs(MasterServices
services,
- final RegionInfo parent, final RegionInfo daughter) throws IOException {
- if (daughter == null) {
+ private static Pair<Boolean, Boolean> checkRegionReferences(MasterServices
services,
+ TableName tableName, RegionInfo region) throws IOException {
+ if (region == null) {
return new Pair<>(Boolean.FALSE, Boolean.FALSE);
}
FileSystem fs = services.getMasterFileSystem().getFileSystem();
Path rootdir = services.getMasterFileSystem().getRootDir();
- Path tabledir = CommonFSUtils.getTableDir(rootdir, daughter.getTable());
-
- Path daughterRegionDir = new Path(tabledir, daughter.getEncodedName());
-
- HRegionFileSystem regionFs;
+ Path tabledir = CommonFSUtils.getTableDir(rootdir, tableName);
+ Path regionDir = new Path(tabledir, region.getEncodedName());
try {
- if (!CommonFSUtils.isExists(fs, daughterRegionDir)) {
+ if (!CommonFSUtils.isExists(fs, regionDir)) {
return new Pair<>(Boolean.FALSE, Boolean.FALSE);
}
} catch (IOException ioe) {
- LOG.error("Error trying to determine if daughter region exists, "
- + "assuming exists and has references", ioe);
+ LOG.error("Error trying to determine if region exists, assuming exists
and has references",
+ ioe);
return new Pair<>(Boolean.TRUE, Boolean.TRUE);
Review Comment:
So this is the big difference b/ the two implementations right?
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