cuibo01 commented on a change in pull request #2352:
URL: https://github.com/apache/hbase/pull/2352#discussion_r528169267
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/master/TableStateManager.java
##########
@@ -318,4 +326,39 @@ protected void deleteZooKeeper(TableName tableName) {
LOG.warn("Failed deleting table state from zookeeper", e);
}
}
+
+ public void asyncLoadTableState() {
+ new Thread(() -> {
+ LOG.info("load table state...");
+ ThreadFactoryBuilder builder = new
ThreadFactoryBuilder().setDaemon(true).setNameFormat("TableStateFetcher" +
"-%1$d");
+ ExecutorService
+ executorService =
Executors.newFixedThreadPool(master.getConfiguration().getInt("hbase.table.state.fetcher.threads",10),
builder.build());
+
+ try {
+ List<Result> results =
MetaTableAccessor.fullScan(master.getConnection(),
ClientMetaTableAccessor.QueryType.TABLE);
+ List<Future<Void>> futures = new ArrayList<>();
+ results.forEach(r -> futures.add(executorService.submit(new
Callable<Void>() {
Review comment:
By add debug log and observation, the processing result takes a lot of
time.
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