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45 changes: 45 additions & 0 deletions
45
rubix-common/src/main/java/com/qubole/rubix/common/metrics/CachingFileSystemMetrics.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| /** | ||
| * Copyright (c) 2019. Qubole Inc | ||
| * Licensed under the Apache License, Version 2.0 (the License); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an AS IS BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. See accompanying LICENSE file. | ||
| */ | ||
| package com.qubole.rubix.common.metrics; | ||
|
|
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| import java.util.HashMap; | ||
| import java.util.Map; | ||
|
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| public enum CachingFileSystemMetrics { | ||
| LOCAL_FALLBACK_TO_DIRECT_READ("rubix_local_cache_fallback_direct_read"), | ||
| NON_LOCAL_FALLBACK_TO_DIRECT_READ("rubix_non_local_cache_fallback_direct_read"), | ||
| POSITIONAL_READ_FAILURE("rubix_positional_read_failure"); | ||
|
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| private final String metricName; | ||
| //reverse lookup map for metric. | ||
| private static final Map<String, CachingFileSystemMetrics> lookup = new HashMap<>(); | ||
|
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| CachingFileSystemMetrics(String metricName) | ||
| { | ||
| this.metricName = metricName; | ||
| } | ||
|
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| public String getMetricName() | ||
| { | ||
| return metricName; | ||
| } | ||
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| static { | ||
| for(CachingFileSystemMetrics s : CachingFileSystemMetrics.values()) | ||
| lookup.put(s.getMetricName(), s); | ||
| } | ||
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| public static CachingFileSystemMetrics get(String enumString) { | ||
| return lookup.get(enumString); | ||
| } | ||
| } |
22 changes: 22 additions & 0 deletions
22
rubix-common/src/main/java/com/qubole/rubix/common/metrics/CustomMetricsReporter.java
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| /** | ||
| * Copyright (c) 2019. Qubole Inc | ||
| * Licensed under the Apache License, Version 2.0 (the License); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an AS IS BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. See accompanying LICENSE file. | ||
| */ | ||
| package com.qubole.rubix.common.metrics; | ||
|
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| import java.io.Closeable; | ||
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| public interface CustomMetricsReporter extends Closeable { | ||
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| public void start(); | ||
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| public void addMetric(CachingFileSystemMetrics cachingFileSystemMetrics); | ||
| } |
86 changes: 86 additions & 0 deletions
86
...x-common/src/main/java/com/qubole/rubix/common/metrics/CustomMetricsReporterProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| /** | ||
| * Copyright (c) 2019. Qubole Inc | ||
| * Licensed under the Apache License, Version 2.0 (the License); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an AS IS BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. See accompanying LICENSE file. | ||
| */ | ||
| package com.qubole.rubix.common.metrics; | ||
|
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| import com.codahale.metrics.MetricRegistry; | ||
| import com.qubole.rubix.spi.CacheConfig; | ||
| import org.apache.commons.logging.Log; | ||
| import org.apache.commons.logging.LogFactory; | ||
| import org.apache.hadoop.conf.Configuration; | ||
|
|
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| import java.util.Optional; | ||
| import java.util.concurrent.atomic.AtomicReference; | ||
|
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| import static com.qubole.rubix.common.utils.ClusterUtil.getMetricsReporters; | ||
|
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| public class CustomMetricsReporterProvider { | ||
| private static final Log log = LogFactory.getLog(CustomMetricsReporterProvider.class); | ||
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| private static volatile AtomicReference<Boolean> reporterRunning = new AtomicReference<>(); | ||
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| private CustomMetricsReporter customMetricsReporter; | ||
| private static volatile CustomMetricsReporterProvider customMetricsReporterProvider; | ||
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| private CustomMetricsReporterProvider(CustomMetricsReporter customMetricsReporter) { | ||
| this.customMetricsReporter = customMetricsReporter; | ||
| } | ||
|
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| public static void initialize(Configuration configuration) | ||
| { | ||
| initialize(configuration, Optional.empty()); | ||
| } | ||
|
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| public static void initialize(Configuration configuration, Optional<MetricRegistry> metricRegistry) { | ||
| if (customMetricsReporterProvider == null) { | ||
| synchronized (CustomMetricsReporterProvider.class) { | ||
| if (customMetricsReporterProvider == null) { | ||
| String className = CacheConfig.getRubixMetricCollectorImpl(configuration); | ||
| // check if custom reporter is enabled: Check here for CFS metrics Reporter. | ||
| boolean useCustomReporter = getMetricsReporters(configuration).contains(MetricsReporterType.CUSTOM); | ||
| CustomMetricsReporter customMetricsReporter; | ||
| if (useCustomReporter && !className.equals("com.qubole.rubix.common.metrics.NoOpReporter")) { | ||
| try { | ||
| Class collectorClass = Class.forName(className); | ||
| log.info(String.format("Using class for metric reporting: %s", className)); | ||
| customMetricsReporter = (CustomMetricsReporter) collectorClass.getDeclaredConstructor(Configuration.class, Optional.class) | ||
| .newInstance(configuration, metricRegistry); | ||
| } catch (Exception e) { | ||
| log.warn("External Metric Reporter class: %s can not be initialized: ", e); | ||
| customMetricsReporter = new NoOpReporter(); | ||
| } | ||
| } else { | ||
| customMetricsReporter = new NoOpReporter(); | ||
| } | ||
| customMetricsReporterProvider = new CustomMetricsReporterProvider(customMetricsReporter); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| public static CustomMetricsReporter getCustomMetricsReporter() { | ||
| if (reporterRunning.get() == null) { | ||
| synchronized (reporterRunning) { | ||
| if (reporterRunning.get() == null) { | ||
| try { | ||
| customMetricsReporterProvider.customMetricsReporter.start(); | ||
| } catch (Exception e) { | ||
| log.warn("Exception in starting Custom reporter: ", e); | ||
| customMetricsReporterProvider.customMetricsReporter = new NoOpReporter(); | ||
| } | ||
| reporterRunning.set(true); | ||
| } | ||
| } | ||
| } | ||
| return customMetricsReporterProvider.customMetricsReporter; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -17,5 +17,6 @@ public enum MetricsReporterType | |
| { | ||
| STATSD, | ||
| JMX, | ||
| GANGLIA | ||
| GANGLIA, | ||
| CUSTOM | ||
| } | ||
32 changes: 32 additions & 0 deletions
32
rubix-common/src/main/java/com/qubole/rubix/common/metrics/NoOpReporter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| /** | ||
| * Copyright (c) 2019. Qubole Inc | ||
| * Licensed under the Apache License, Version 2.0 (the License); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an AS IS BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. See accompanying LICENSE file. | ||
| */ | ||
| package com.qubole.rubix.common.metrics; | ||
|
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| import java.io.IOException; | ||
|
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| public class NoOpReporter implements CustomMetricsReporter { | ||
| public NoOpReporter() { | ||
| } | ||
|
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| @Override | ||
| public void start() { | ||
| } | ||
|
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| @Override | ||
| public void addMetric(CachingFileSystemMetrics cachingFileSystemMetrics) { | ||
| } | ||
|
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| @Override | ||
| public void close() throws IOException { | ||
| } | ||
| } |
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