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HADOOP-11248. Add hadoop configuration to disable Azure Filesystem metrics collection. Contributed by Shanyu Zhao.

This commit is contained in:
cnauroth 2014-11-03 14:29:18 -08:00
parent ec6cbece8e
commit 734eeb4f35
3 changed files with 27 additions and 7 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -339,6 +339,9 @@ Trunk (Unreleased)
HADOOP-11022. User replaced functions get lost 2-3 levels deep (e.g.,
sbin) (aw)
HADOOP-11248. Add hadoop configuration to disable Azure Filesystem metrics
collection. (Shanyu Zhao via cnauroth)
OPTIMIZATIONS
HADOOP-7761. Improve the performance of raw comparisons. (todd)

8
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azure/NativeAzureFileSystem.java
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@ -641,6 +641,8 @@ public class NativeAzureFileSystem extends FileSystem {
static final String AZURE_OUTPUT_STREAM_BUFFER_SIZE_PROPERTY_NAME =
"fs.azure.output.stream.buffer.size";
public static final String SKIP_AZURE_METRICS_PROPERTY_NAME = "fs.azure.skip.metrics";
private class NativeAzureFsInputStream extends FSInputStream {
private InputStream in;
private final String key;
@ -1035,13 +1037,15 @@ public class NativeAzureFileSystem extends FileSystem {
store = createDefaultStore(conf);
}
instrumentation = new AzureFileSystemInstrumentation(conf);
if(!conf.getBoolean(SKIP_AZURE_METRICS_PROPERTY_NAME, false)) {
// Make sure the metrics system is available before interacting with Azure
AzureFileSystemMetricsSystem.fileSystemStarted();
metricsSourceName = newMetricsSourceName();
String sourceDesc = "Azure Storage Volume File System metrics";
instrumentation = new AzureFileSystemInstrumentation(conf);
AzureFileSystemMetricsSystem.registerSource(metricsSourceName, sourceDesc,
instrumentation);
}
store.initialize(uri, conf, instrumentation);
setConf(conf);
@ -2207,8 +2211,10 @@ public class NativeAzureFileSystem extends FileSystem {
long startTime = System.currentTimeMillis();
if(!getConf().getBoolean(SKIP_AZURE_METRICS_PROPERTY_NAME, false)) {
AzureFileSystemMetricsSystem.unregisterSource(metricsSourceName);
AzureFileSystemMetricsSystem.fileSystemClosed();
}
if (LOG.isDebugEnabled()) {
LOG.debug("Submitting metrics when file system closed took "

11
hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azure/metrics/TestNativeAzureFileSystemMetricsSystem.java
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@ -74,4 +74,15 @@ public class TestNativeAzureFileSystemMetricsSystem {
assertTrue(name2.startsWith("AzureFileSystemMetrics"));
assertTrue(!name1.equals(name2));
}
@Test
public void testSkipMetricsCollection() throws Exception {
AzureBlobStorageTestAccount a;
a = AzureBlobStorageTestAccount.createMock();
a.getFileSystem().getConf().setBoolean(
NativeAzureFileSystem.SKIP_AZURE_METRICS_PROPERTY_NAME, true);
a.getFileSystem().create(new Path("/foo")).close();
a.closeFileSystem(); // Causes the file system to close, which publishes metrics
assertEquals(0, getFilesCreated(a));
}
}