joshelser commented on a change in pull request #2237:
URL: https://github.com/apache/hbase/pull/2237#discussion_r701499308
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/InitMetaProcedure.java
##########
@@ -166,4 +170,35 @@ protected void completionCleanup(MasterProcedureEnv env) {
public void await() throws InterruptedException {
latch.await();
}
+
+ private static boolean deleteMetaTableDirectoryIfPartial(FileSystem
rootDirectoryFs,
+ Path metaTableDir) throws IOException {
+ boolean isPartial = true;
+ try {
+ TableDescriptor metaDescriptor =
+ FSTableDescriptors.getTableDescriptorFromFs(rootDirectoryFs,
metaTableDir);
+ // when entering the state of INIT_META_WRITE_FS_LAYOUT, if a meta table
directory is found,
+ // the meta table should not have any useful data and considers as
partial.
+ // if we find any valid HFiles, operator should fix the meta e.g. via
HBCK.
+ if (metaDescriptor != null && metaDescriptor.getColumnFamilyCount() > 0)
{
+ RemoteIterator<LocatedFileStatus> iterator =
rootDirectoryFs.listFiles(metaTableDir, true);
+ while (iterator.hasNext()) {
+ LocatedFileStatus status = iterator.next();
+ if (StoreFileInfo.isHFile(status.getPath()) && HFile
+ .isHFileFormat(rootDirectoryFs, status.getPath())) {
+ isPartial = false;
+ break;
+ }
+ }
+ }
+ } finally {
+ if (!isPartial) {
+ throw new IOException("Meta table is not partial, please sideline this
meta directory "
+ + "or run HBCK to fix this meta table, e.g. rebuild the server
hostname in ZNode for the "
Review comment:
https://issues.apache.org/jira/browse/HBASE-24833?focusedCommentId=17409167&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17409167
rough sketch what I was able to do to fix it.
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