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HBASE-25598 TestFromClientSide5.testScanMetrics is flaky (#2977) 

Signed-off-by: Duo Zhang <zhangduo@apache.org>
This commit is contained in:
XinSun 2021-02-24 14:15:51 +08:00 committed by GitHub
parent 8f03c4429f
commit 51a3d45f9d
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1 changed files with 9 additions and 11 deletions
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12
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestFromClientSide5.java
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@ -970,7 +970,7 @@ public class TestFromClientSide5 extends FromClientSideBase {
numRecords++; numRecords++;
} }
LOG.info("test data has " + numRecords + " records."); LOG.info("test data has {} records.", numRecords);
// by default, scan metrics collection is turned off // by default, scan metrics collection is turned off
assertNull(scanner.getScanMetrics()); assertNull(scanner.getScanMetrics());
@ -983,8 +983,6 @@ public class TestFromClientSide5 extends FromClientSideBase {
try (ResultScanner scanner = ht.getScanner(scan2)) { try (ResultScanner scanner = ht.getScanner(scan2)) {
for (Result result : scanner.next(numRecords - 1)) { for (Result result : scanner.next(numRecords - 1)) {
} }
scanner.close();
// closing the scanner will set the metrics.
assertNotNull(scanner.getScanMetrics()); assertNotNull(scanner.getScanMetrics());
} }
@ -1008,12 +1006,11 @@ public class TestFromClientSide5 extends FromClientSideBase {
scan2.setCaching(1); scan2.setCaching(1);
try (ResultScanner scanner = ht.getScanner(scan2)) { try (ResultScanner scanner = ht.getScanner(scan2)) {
int numBytes = 0; int numBytes = 0;
for (Result result : scanner.next(1)) { for (Result result : scanner) {
for (Cell cell : result.listCells()) { for (Cell cell : result.listCells()) {
numBytes += PrivateCellUtil.estimatedSerializedSizeOf(cell); numBytes += PrivateCellUtil.estimatedSerializedSizeOf(cell);
} }
} }
scanner.close();
ScanMetrics scanMetrics = scanner.getScanMetrics(); ScanMetrics scanMetrics = scanner.getScanMetrics();
assertEquals("Did not count the result bytes", numBytes, assertEquals("Did not count the result bytes", numBytes,
scanMetrics.countOfBytesInResults.get()); scanMetrics.countOfBytesInResults.get());
@ -1026,12 +1023,11 @@ public class TestFromClientSide5 extends FromClientSideBase {
scan2.setSmall(true); scan2.setSmall(true);
try (ResultScanner scanner = ht.getScanner(scan2)) { try (ResultScanner scanner = ht.getScanner(scan2)) {
int numBytes = 0; int numBytes = 0;
for (Result result : scanner.next(1)) { for (Result result : scanner) {
for (Cell cell : result.listCells()) { for (Cell cell : result.listCells()) {
numBytes += PrivateCellUtil.estimatedSerializedSizeOf(cell); numBytes += PrivateCellUtil.estimatedSerializedSizeOf(cell);
} }
} }
scanner.close();
ScanMetrics scanMetrics = scanner.getScanMetrics(); ScanMetrics scanMetrics = scanner.getScanMetrics();
assertEquals("Did not count the result bytes", numBytes, assertEquals("Did not count the result bytes", numBytes,
scanMetrics.countOfBytesInResults.get()); scanMetrics.countOfBytesInResults.get());
@ -1066,6 +1062,8 @@ public class TestFromClientSide5 extends FromClientSideBase {
assertEquals("Did not access all the regions in the table", numOfRegions, assertEquals("Did not access all the regions in the table", numOfRegions,
scanMetricsWithClose.countOfRegions.get()); scanMetricsWithClose.countOfRegions.get());
} }
} finally {
TEST_UTIL.deleteTable(tableName);
} }
} }