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HBASE-21775 The BufferedMutator doesn't ever refresh region location cache 

Fix server location metadata refresh in multi-actions

Signed-off-by: stack <stack@apache.org>
This commit is contained in:
Tommy Li 2019-01-24 15:37:49 -08:00 committed by stack
parent 1ac090b3f0
commit 5f25985b98
2 changed files with 37 additions and 4 deletions
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7
hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.java
View File

@ -918,10 +918,9 @@ class AsyncRequestFutureImpl<CResult> implements AsyncRequestFuture {
}
private void cleanServerCache(ServerName server, Throwable regionException) {
if (tableName == null && ClientExceptionsUtil.isMetaClearingException(regionException)) {
// For multi-actions, we don't have a table name, but we want to make sure to clear the
// cache in case there were location-related exceptions. We don't to clear the cache
// for every possible exception that comes through, however.
if (ClientExceptionsUtil.isMetaClearingException(regionException)) {
// We want to make sure to clear the cache in case there were location-related exceptions.
// We don't to clear the cache for every possible exception that comes through, however.
asyncProcess.connection.clearCaches(server);
}
}

34
hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestAsyncProcess.java
View File

@ -62,6 +62,7 @@ import org.apache.hadoop.hbase.client.AsyncProcessTask.SubmittedRows;
import org.apache.hadoop.hbase.client.backoff.ClientBackoffPolicy;
import org.apache.hadoop.hbase.client.backoff.ServerStatistics;
import org.apache.hadoop.hbase.client.coprocessor.Batch;
import org.apache.hadoop.hbase.exceptions.RegionOpeningException;
import org.apache.hadoop.hbase.ipc.RpcControllerFactory;
import org.apache.hadoop.hbase.testclassification.ClientTests;
import org.apache.hadoop.hbase.testclassification.MediumTests;
@ -1796,6 +1797,39 @@ public class TestAsyncProcess {
Assert.assertTrue("Slept for too long: " + actualSleep + "ms", actualSleep <= expectedSleep);
}
@Test
public void testRetryWithExceptionClearsMetaCache() throws Exception {
ClusterConnection conn = createHConnection();
Configuration myConf = conn.getConfiguration();
myConf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 0);
AsyncProcessWithFailure ap =
new AsyncProcessWithFailure(conn, myConf, new RegionOpeningException("test"));
BufferedMutatorParams bufferParam = createBufferedMutatorParams(ap, DUMMY_TABLE);
BufferedMutatorImpl mutator = new BufferedMutatorImpl(conn, bufferParam, ap);
Assert.assertNotNull(mutator.getAsyncProcess().createServerErrorTracker());
Assert.assertEquals(
conn.locateRegion(DUMMY_TABLE, DUMMY_BYTES_1, true, true).toString(),
new RegionLocations(loc1).toString());
Mockito.verify(conn, Mockito.times(0)).clearCaches(Mockito.any());
Put p = createPut(1, true);
mutator.mutate(p);
try {
mutator.flush();
Assert.fail();
} catch (RetriesExhaustedWithDetailsException expected) {
assertEquals(1, expected.getNumExceptions());
assertTrue(expected.getRow(0) == p);
}
Mockito.verify(conn, Mockito.times(1)).clearCaches(loc1.getServerName());
}
@Test
public void testQueueRowAccess() throws Exception {
ClusterConnection conn = createHConnection();