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HBASE-16091 Canary takes lot more time when there are delete markers in the table (Vishal Khandelwal)

This commit is contained in:
Andrew Purtell 2016-07-05 10:11:08 -07:00
parent 29c46c4834
commit 318751cfd6
3 changed files with 72 additions and 15 deletions
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2
hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java
View File

@ -1245,6 +1245,8 @@ public final class HConstants {
public static final String HBASE_CANARY_WRITE_TABLE_CHECK_PERIOD_KEY =
"hbase.canary.write.table.check.period";
public static final String HBASE_CANARY_READ_RAW_SCAN_KEY = "hbase.canary.read.raw.enabled";
/**
* Configuration keys for programmatic JAAS configuration for secured ZK interaction
*/

61
hbase-server/src/main/java/org/apache/hadoop/hbase/tool/Canary.java
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@ -264,12 +264,15 @@ public final class Canary implements Tool {
private HRegionInfo region;
private Sink sink;
private TaskType taskType;
private boolean rawScanEnabled;
RegionTask(Connection connection, HRegionInfo region, Sink sink, TaskType taskType) {
RegionTask(Connection connection, HRegionInfo region, Sink sink, TaskType taskType,
boolean rawScanEnabled) {
this.connection = connection;
this.region = region;
this.sink = sink;
this.taskType = taskType;
this.rawScanEnabled = rawScanEnabled;
}
@Override
@ -323,7 +326,11 @@ public final class Canary implements Tool {
get.addFamily(column.getName());
} else {
scan = new Scan();
scan.setRaw(true);
if (LOG.isDebugEnabled()) {
LOG.debug(String.format("rawScan : %s for table: %s", rawScanEnabled,
tableDesc.getTableName()));
}
scan.setRaw(rawScanEnabled);
scan.setCaching(1);
scan.setCacheBlocks(false);
scan.setFilter(new FirstKeyOnlyFilter());
@ -749,6 +756,8 @@ public final class Canary implements Tool {
System.err.println(" -treatFailureAsError treats read / write failure as error");
System.err.println(" -writeTable The table used for write sniffing."
+ " Default is hbase:canary");
System.err.println(" -Dhbase.canary.read.raw.enabled=<true/false> Use this flag to enable or disable raw scan during read canary test"
+ " Default is false and raw is not enabled during scan");
System.err
.println(" -D<configProperty>=<value> assigning or override the configuration params");
System.exit(USAGE_EXIT_CODE);
@ -873,6 +882,7 @@ public final class Canary implements Tool {
private float regionsLowerLimit;
private float regionsUpperLimit;
private int checkPeriod;
private boolean rawScanEnabled;
public RegionMonitor(Connection connection, String[] monitorTargets, boolean useRegExp,
Sink sink, ExecutorService executor, boolean writeSniffing, TableName writeTableName,
@ -890,6 +900,7 @@ public final class Canary implements Tool {
this.checkPeriod =
conf.getInt(HConstants.HBASE_CANARY_WRITE_TABLE_CHECK_PERIOD_KEY,
DEFAULT_WRITE_TABLE_CHECK_PERIOD);
this.rawScanEnabled = conf.getBoolean(HConstants.HBASE_CANARY_READ_RAW_SCAN_KEY, false);
}
@Override
@ -901,7 +912,8 @@ public final class Canary implements Tool {
String[] tables = generateMonitorTables(this.targets);
this.initialized = true;
for (String table : tables) {
taskFutures.addAll(Canary.sniff(admin, sink, table, executor, TaskType.READ));
taskFutures.addAll(Canary.sniff(admin, sink, table, executor, TaskType.READ,
this.rawScanEnabled));
}
} else {
taskFutures.addAll(sniff(TaskType.READ));
@ -917,8 +929,8 @@ public final class Canary implements Tool {
lastCheckTime = EnvironmentEdgeManager.currentTime();
}
// sniff canary table with write operation
taskFutures.addAll(Canary.sniff(admin, sink,
admin.getTableDescriptor(writeTableName), executor, TaskType.WRITE));
taskFutures.addAll(Canary.sniff(admin, sink, admin.getTableDescriptor(writeTableName),
executor, TaskType.WRITE, this.rawScanEnabled));
}
for (Future<Void> future : taskFutures) {
@ -990,7 +1002,7 @@ public final class Canary implements Tool {
for (HTableDescriptor table : admin.listTables()) {
if (admin.isTableEnabled(table.getTableName())
&& (!table.getTableName().equals(writeTableName))) {
taskFutures.addAll(Canary.sniff(admin, sink, table, executor, taskType));
taskFutures.addAll(Canary.sniff(admin, sink, table, executor, taskType, this.rawScanEnabled));
}
}
return taskFutures;
@ -1056,38 +1068,58 @@ public final class Canary implements Tool {
* Canary entry point for specified table.
* @throws Exception
*/
public static void sniff(final Admin admin, TableName tableName, boolean rawScanEnabled)
throws Exception {
sniff(admin, tableName, TaskType.READ, rawScanEnabled);
}
/**
* Canary entry point for specified table.
* Keeping this method backward compatibility
* @throws Exception
*/
public static void sniff(final Admin admin, TableName tableName)
throws Exception {
sniff(admin, tableName, TaskType.READ);
sniff(admin, tableName, TaskType.READ, false);
}
/**
* Canary entry point for specified table with task type(read/write)
* @throws Exception
*/
public static void sniff(final Admin admin, TableName tableName, TaskType taskType)
throws Exception {
public static void sniff(final Admin admin, TableName tableName, TaskType taskType,
boolean rawScanEnabled) throws Exception {
List<Future<Void>> taskFutures =
Canary.sniff(admin, new StdOutSink(), tableName.getNameAsString(),
new ScheduledThreadPoolExecutor(1), taskType);
new ScheduledThreadPoolExecutor(1), taskType, rawScanEnabled);
for (Future<Void> future : taskFutures) {
future.get();
}
}
/**
* Canary entry point for specified table with task type(read/write)
* Keeping this method backward compatible
* @throws Exception
*/
public static void sniff(final Admin admin, TableName tableName, TaskType taskType)
throws Exception {
Canary.sniff(admin, tableName, taskType, false);
}
/**
* Canary entry point for specified table.
* @throws Exception
*/
private static List<Future<Void>> sniff(final Admin admin, final Sink sink, String tableName,
ExecutorService executor, TaskType taskType) throws Exception {
ExecutorService executor, TaskType taskType, boolean rawScanEnabled) throws Exception {
if (LOG.isDebugEnabled()) {
LOG.debug(String.format("checking table is enabled and getting table descriptor for table %s",
tableName));
}
if (admin.isTableEnabled(TableName.valueOf(tableName))) {
return Canary.sniff(admin, sink, admin.getTableDescriptor(TableName.valueOf(tableName)),
executor, taskType);
executor, taskType, rawScanEnabled);
} else {
LOG.warn(String.format("Table %s is not enabled", tableName));
}
@ -1098,7 +1130,8 @@ public final class Canary implements Tool {
* Loops over regions that owns this table, and output some information abouts the state.
*/
private static List<Future<Void>> sniff(final Admin admin, final Sink sink,
HTableDescriptor tableDesc, ExecutorService executor, TaskType taskType) throws Exception {
HTableDescriptor tableDesc, ExecutorService executor, TaskType taskType,
boolean rawScanEnabled) throws Exception {
if (LOG.isDebugEnabled()) {
LOG.debug(String.format("reading list of regions for table %s", tableDesc.getTableName()));
@ -1113,7 +1146,7 @@ public final class Canary implements Tool {
List<RegionTask> tasks = new ArrayList<RegionTask>();
try {
for (HRegionInfo region : admin.getTableRegions(tableDesc.getTableName())) {
tasks.add(new RegionTask(admin.getConnection(), region, sink, taskType));
tasks.add(new RegionTask(admin.getConnection(), region, sink, taskType, rawScanEnabled));
}
} finally {
table.close();

22
hbase-server/src/test/java/org/apache/hadoop/hbase/tool/TestCanaryTool.java
View File

@ -142,6 +142,28 @@ public class TestCanaryTool {
}));
}
@Test
public void testRawScanConfig() throws Exception {
TableName tableName = TableName.valueOf("testTableRawScan");
Table table = testingUtility.createTable(tableName, new byte[][] { FAMILY });
// insert some test rows
for (int i=0; i<1000; i++) {
byte[] iBytes = Bytes.toBytes(i);
Put p = new Put(iBytes);
p.addColumn(FAMILY, COLUMN, iBytes);
table.put(p);
}
ExecutorService executor = new ScheduledThreadPoolExecutor(1);
Canary.RegionServerStdOutSink sink = spy(new Canary.RegionServerStdOutSink());
Canary canary = new Canary(executor, sink);
String[] args = { "-t", "10000", "testTableRawScan" };
org.apache.hadoop.conf.Configuration conf = new org.apache.hadoop.conf.Configuration(testingUtility.getConfiguration());
conf.setBoolean(HConstants.HBASE_CANARY_READ_RAW_SCAN_KEY, true);
ToolRunner.run(conf, canary, args);
verify(sink, atLeastOnce())
.publishReadTiming(isA(HRegionInfo.class), isA(HColumnDescriptor.class), anyLong());
}
private void runRegionserverCanary() throws Exception {
ExecutorService executor = new ScheduledThreadPoolExecutor(1);
Canary canary = new Canary(executor, new Canary.RegionServerStdOutSink());