本文整理汇总了Java中org.htrace.Span.getStopTimeMillis方法的典型用法代码示例。如果您正苦于以下问题:Java Span.getStopTimeMillis方法的具体用法?Java Span.getStopTimeMillis怎么用?Java Span.getStopTimeMillis使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.htrace.Span
的用法示例。
在下文中一共展示了Span.getStopTimeMillis方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testWriteTraceHooks
import org.htrace.Span; //导入方法依赖的package包/类
@Test
public void testWriteTraceHooks() throws Exception {
long startTime = System.currentTimeMillis();
TraceScope ts = Trace.startSpan("testWriteTraceHooks", Sampler.ALWAYS);
Path file = new Path("traceWriteTest.dat");
FSDataOutputStream stream = dfs.create(file);
for (int i = 0; i < 10; i++) {
byte[] data = RandomStringUtils.randomAlphabetic(102400).getBytes();
stream.write(data);
}
stream.hflush();
stream.close();
long endTime = System.currentTimeMillis();
ts.close();
String[] expectedSpanNames = {
"testWriteTraceHooks",
"org.apache.hadoop.hdfs.protocol.ClientProtocol.create",
"org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.ClientNamenodeProtocol.BlockingInterface.create",
"org.apache.hadoop.hdfs.protocol.ClientProtocol.fsync",
"org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.ClientNamenodeProtocol.BlockingInterface.fsync",
"org.apache.hadoop.hdfs.protocol.ClientProtocol.complete",
"org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.ClientNamenodeProtocol.BlockingInterface.complete",
"DFSOutputStream",
"OpWriteBlockProto",
"org.apache.hadoop.hdfs.protocol.ClientProtocol.addBlock",
"org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.ClientNamenodeProtocol.BlockingInterface.addBlock"
};
assertSpanNamesFound(expectedSpanNames);
// The trace should last about the same amount of time as the test
Map<String, List<Span>> map = SetSpanReceiver.SetHolder.getMap();
Span s = map.get("testWriteTraceHooks").get(0);
Assert.assertNotNull(s);
long spanStart = s.getStartTimeMillis();
long spanEnd = s.getStopTimeMillis();
Assert.assertTrue(spanStart - startTime < 100);
Assert.assertTrue(spanEnd - endTime < 100);
// There should only be one trace id as it should all be homed in the
// top trace.
for (Span span : SetSpanReceiver.SetHolder.spans.values()) {
Assert.assertEquals(ts.getSpan().getTraceId(), span.getTraceId());
}
}
示例2: testReadTraceHooks
import org.htrace.Span; //导入方法依赖的package包/类
@Test
public void testReadTraceHooks() throws Exception {
String fileName = "traceReadTest.dat";
Path filePath = new Path(fileName);
// Create the file.
FSDataOutputStream ostream = dfs.create(filePath);
for (int i = 0; i < 50; i++) {
byte[] data = RandomStringUtils.randomAlphabetic(10240).getBytes();
ostream.write(data);
}
ostream.close();
long startTime = System.currentTimeMillis();
TraceScope ts = Trace.startSpan("testReadTraceHooks", Sampler.ALWAYS);
FSDataInputStream istream = dfs.open(filePath, 10240);
ByteBuffer buf = ByteBuffer.allocate(10240);
int count = 0;
try {
while (istream.read(buf) > 0) {
count += 1;
buf.clear();
istream.seek(istream.getPos() + 5);
}
} catch (IOException ioe) {
// Ignore this it's probably a seek after eof.
} finally {
istream.close();
}
ts.getSpan().addTimelineAnnotation("count: " + count);
long endTime = System.currentTimeMillis();
ts.close();
String[] expectedSpanNames = {
"testReadTraceHooks",
"org.apache.hadoop.hdfs.protocol.ClientProtocol.getBlockLocations",
"org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.ClientNamenodeProtocol.BlockingInterface.getBlockLocations",
"OpReadBlockProto"
};
assertSpanNamesFound(expectedSpanNames);
// The trace should last about the same amount of time as the test
Map<String, List<Span>> map = SetSpanReceiver.SetHolder.getMap();
Span s = map.get("testReadTraceHooks").get(0);
Assert.assertNotNull(s);
long spanStart = s.getStartTimeMillis();
long spanEnd = s.getStopTimeMillis();
Assert.assertTrue(spanStart - startTime < 100);
Assert.assertTrue(spanEnd - endTime < 100);
// There should only be one trace id as it should all be homed in the
// top trace.
for (Span span : SetSpanReceiver.SetHolder.spans.values()) {
Assert.assertEquals(ts.getSpan().getTraceId(), span.getTraceId());
}
}