wchevreuil commented on a change in pull request #3: Hbase 22567
URL: https://github.com/apache/hbase-operator-tools/pull/3#discussion_r303652344
##########
File path: hbase-hbck2/src/main/java/org/apache/hbase/HBCK2.java
##########
@@ -164,6 +178,99 @@ int setRegionState(String region, RegionState.State
newState)
return EXIT_FAILURE;
}
+ Map<TableName,List<Path>> reportTablesWithMissingRegionsInMeta(String...
nameSpaceOrTable)
+ throws Exception {
+ Map<TableName,List<Path>> report;
+ try(final MetaFixer metaFixer = new MetaFixer(this.conf)){
+ List<String> names = nameSpaceOrTable != null ?
Arrays.asList(nameSpaceOrTable) : null;
+ report = metaFixer.reportTablesMissingRegions(names);
+ } catch (Exception e) {
+ LOG.error("Error reporting missing regions: ", e);
+ throw e;
+ }
+ if(LOG.isDebugEnabled()) {
+ LOG.debug(formatMissingRegionsInMetaReport(report));
+ }
+ return report;
+ }
+
+ List<String> addMissingRegionsInMeta(List<Path> regionsPath) throws
IOException {
+ List<String> reAddedRegionsEncodedNames = new ArrayList<>();
+ try(final MetaFixer metaFixer = new MetaFixer(this.conf)){
+ for(Path regionPath : regionsPath){
+ metaFixer.putRegionInfoFromHdfsInMeta(regionPath);
+ reAddedRegionsEncodedNames.add(regionPath.getName());
+ }
+ }
+ return reAddedRegionsEncodedNames;
+ }
+
+ Pair<List<String>, List<ExecutionException>>
addMissingRegionsInMetaForTables(String...
+ nameSpaceOrTable) {
+ ExecutorService executorService = Executors.newFixedThreadPool(
+ nameSpaceOrTable.length > Runtime.getRuntime().availableProcessors() ?
+ Runtime.getRuntime().availableProcessors() : nameSpaceOrTable.length);
+ List<Future<List<String>>> futures = new
ArrayList<>(nameSpaceOrTable.length);
+ final List<String> readdedRegionNames = new ArrayList<>();
+ List<ExecutionException> executionErrors = new ArrayList<>();
+ try(final MetaFixer metaFixer = new MetaFixer(this.conf)){
+ //reducing number of retries in case disable fails due to namespace
table region also missing
+ this.conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 1);
+ try(Connection conn = ConnectionFactory.createConnection(this.conf);
+ final Admin admin = conn.getAdmin()) {
+ Map<TableName,List<Path>> report =
reportTablesWithMissingRegionsInMeta(nameSpaceOrTable);
+ for (TableName tableName : report.keySet()) {
+ if(admin.tableExists(tableName)) {
+ futures.add(executorService.submit(new Callable<List<String>>() {
+ @Override
+ public List<String> call() throws Exception {
+ LOG.debug("running thread for {}",
tableName.getNameWithNamespaceInclAsString());
+ try {
+ admin.disableTable(tableName);
+ } catch (IOException e) {
+ LOG.debug("Failed to disable table {}, "
+ + "is namespace table also missing regions? Continue
anyway...",
+ tableName.getNameWithNamespaceInclAsString(), e);
+ }
+ List<String> reAddedRegions =
addMissingRegionsInMeta(report.get(tableName));
+ try {
+ admin.enableTable(tableName);
+ } catch (IOException e) {
+ LOG.debug("Failed enabling table {}. It might be that
namespace table "
+ + "region is also missing.\n"
+ + "After this command finishes, please make sure on this
table state.",
+ tableName.getNameWithNamespaceInclAsString(), e);
+ }
+ return reAddedRegions;
+ }
+ }));
+ } else {
+ LOG.warn("Table {} does not exist! Skipping...",
+ tableName.getNameWithNamespaceInclAsString());
+ }
+ }
+ for(Future<List<String>> f : futures){
+ try {
+ readdedRegionNames.addAll(f.get());
+ } catch (ExecutionException e){
+ //we want to allow potential running threads to finish, so we
collect execution
Review comment:
Addressed on PR commit d40cfb1b22450b03e6d2d4ff38e5e6ea4cb5857e.
----------------------------------------------------------------
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
