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Posted to reviews@iotdb.apache.org by GitBox <gi...@apache.org> on 2020/06/01 19:37:37 UTC
[GitHub] [incubator-iotdb] JulianFeinauer opened a new pull request #1303: Add Metrics Service based on Micrometer.
JulianFeinauer opened a new pull request #1303:
URL: https://github.com/apache/incubator-iotdb/pull/1303
* Prometheus Endpoint is exposed based on Micrometer Prometheus.
* Add IoTDBRegistry which stores all Metrics as IoTDB timeseries under root._metrics
* Added Monitoring at several points in the programm
* Added IService Implementation for new Service
This is not final but rather a Work-In-Process where I would like to get Feedback regarding the Architecture.
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[GitHub] [incubator-iotdb] sonarcloud[bot] commented on pull request #1303: Add Metrics Service based on Micrometer.
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URL: https://github.com/apache/incubator-iotdb/pull/1303#issuecomment-638190562
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[GitHub] [incubator-iotdb] jixuan1989 commented on a change in pull request #1303: Add Metrics Service based on Micrometer.
Posted by GitBox <gi...@apache.org>.
jixuan1989 commented on a change in pull request #1303:
URL: https://github.com/apache/incubator-iotdb/pull/1303#discussion_r438133220
##########
File path: micrometer-registry-iotdb/src/main/java/org/apache/iotdb/micrometer/IoTDBRegistryConfig.java
##########
@@ -0,0 +1,61 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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.
Review comment:
incorrect apache header format
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[GitHub] [incubator-iotdb] jixuan1989 commented on a change in pull request #1303: Add Metrics Service based on Micrometer.
Posted by GitBox <gi...@apache.org>.
jixuan1989 commented on a change in pull request #1303:
URL: https://github.com/apache/incubator-iotdb/pull/1303#discussion_r438137174
##########
File path: server/src/main/java/org/apache/iotdb/db/service/MetricsService.java
##########
@@ -1,197 +1,103 @@
/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you 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.
+ * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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.
Review comment:
format
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[GitHub] [incubator-iotdb] jixuan1989 commented on a change in pull request #1303: Add Metrics Service based on Micrometer.
Posted by GitBox <gi...@apache.org>.
jixuan1989 commented on a change in pull request #1303:
URL: https://github.com/apache/incubator-iotdb/pull/1303#discussion_r441695555
##########
File path: micrometer-registry-iotdb/src/main/java/org/apache/iotdb/micrometer/IoTDBRegistry.java
##########
@@ -0,0 +1,225 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+
+package org.apache.iotdb.micrometer;
+
+import io.micrometer.core.instrument.Clock;
+import io.micrometer.core.instrument.Counter;
+import io.micrometer.core.instrument.DistributionSummary;
+import io.micrometer.core.instrument.FunctionCounter;
+import io.micrometer.core.instrument.FunctionTimer;
+import io.micrometer.core.instrument.Gauge;
+import io.micrometer.core.instrument.LongTaskTimer;
+import io.micrometer.core.instrument.Measurement;
+import io.micrometer.core.instrument.Meter;
+import io.micrometer.core.instrument.Metrics;
+import io.micrometer.core.instrument.Tag;
+import io.micrometer.core.instrument.Timer;
+import io.micrometer.core.instrument.config.NamingConvention;
+import io.micrometer.core.instrument.cumulative.CumulativeCounter;
+import io.micrometer.core.instrument.cumulative.CumulativeDistributionSummary;
+import io.micrometer.core.instrument.cumulative.CumulativeFunctionCounter;
+import io.micrometer.core.instrument.cumulative.CumulativeFunctionTimer;
+import io.micrometer.core.instrument.cumulative.CumulativeTimer;
+import io.micrometer.core.instrument.distribution.DistributionStatisticConfig;
+import io.micrometer.core.instrument.distribution.pause.PauseDetector;
+import io.micrometer.core.instrument.internal.DefaultGauge;
+import io.micrometer.core.instrument.internal.DefaultLongTaskTimer;
+import io.micrometer.core.instrument.internal.DefaultMeter;
+import io.micrometer.core.instrument.push.PushMeterRegistry;
+import io.micrometer.core.instrument.util.NamedThreadFactory;
+import org.apache.commons.lang3.NotImplementedException;
+import org.apache.iotdb.rpc.IoTDBConnectionException;
+import org.apache.iotdb.rpc.StatementExecutionException;
+import org.apache.iotdb.session.pool.SessionPool;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.time.Instant;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+import java.util.function.ToDoubleFunction;
+import java.util.function.ToLongFunction;
+
+/**
+ * Registry which stores all values as IoTDB Time Series.
+ * All time-related values should be milliseconds.
+ * <p>
+ * With default settings, each second all values are written.
+ */
+public class IoTDBRegistry extends PushMeterRegistry {
+
+ private static final Logger logger = LoggerFactory.getLogger(IoTDBRegistry.class);
+ private final SessionPool sessionPool;
+
+ public IoTDBRegistry(IoTDBRegistryConfig config, Clock clock) {
+ super(config, clock);
+
+ sessionPool = new SessionPool(config.getIp(), config.getPort(), config.getUser(), config.getPassword(), 1);
+
+ // Prepare a metric for here...
+ start(new NamedThreadFactory("iotdb-metrics-publisher"));
+ }
+
+ @Override
+ protected <T> Gauge newGauge(Meter.Id id, T obj, ToDoubleFunction<T> valueFunction) {
+ return new DefaultGauge<>(id, obj, valueFunction);
+ }
+
+ @Override
+ protected Counter newCounter(Meter.Id id) {
+ return new CumulativeCounter(id);
Review comment:
the CumulativeCounter uses an array (DoubleAdder) to records each increased value. But the counter has only an interface count() . Is that needed to save all historical increased values (Should we change to some other counter implementation)?
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URL: https://github.com/apache/incubator-iotdb/pull/1303#issuecomment-650231317
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[GitHub] [incubator-iotdb] jixuan1989 commented on a change in pull request #1303: Add Metrics Service based on Micrometer.
Posted by GitBox <gi...@apache.org>.
jixuan1989 commented on a change in pull request #1303:
URL: https://github.com/apache/incubator-iotdb/pull/1303#discussion_r441695555
##########
File path: micrometer-registry-iotdb/src/main/java/org/apache/iotdb/micrometer/IoTDBRegistry.java
##########
@@ -0,0 +1,225 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+
+package org.apache.iotdb.micrometer;
+
+import io.micrometer.core.instrument.Clock;
+import io.micrometer.core.instrument.Counter;
+import io.micrometer.core.instrument.DistributionSummary;
+import io.micrometer.core.instrument.FunctionCounter;
+import io.micrometer.core.instrument.FunctionTimer;
+import io.micrometer.core.instrument.Gauge;
+import io.micrometer.core.instrument.LongTaskTimer;
+import io.micrometer.core.instrument.Measurement;
+import io.micrometer.core.instrument.Meter;
+import io.micrometer.core.instrument.Metrics;
+import io.micrometer.core.instrument.Tag;
+import io.micrometer.core.instrument.Timer;
+import io.micrometer.core.instrument.config.NamingConvention;
+import io.micrometer.core.instrument.cumulative.CumulativeCounter;
+import io.micrometer.core.instrument.cumulative.CumulativeDistributionSummary;
+import io.micrometer.core.instrument.cumulative.CumulativeFunctionCounter;
+import io.micrometer.core.instrument.cumulative.CumulativeFunctionTimer;
+import io.micrometer.core.instrument.cumulative.CumulativeTimer;
+import io.micrometer.core.instrument.distribution.DistributionStatisticConfig;
+import io.micrometer.core.instrument.distribution.pause.PauseDetector;
+import io.micrometer.core.instrument.internal.DefaultGauge;
+import io.micrometer.core.instrument.internal.DefaultLongTaskTimer;
+import io.micrometer.core.instrument.internal.DefaultMeter;
+import io.micrometer.core.instrument.push.PushMeterRegistry;
+import io.micrometer.core.instrument.util.NamedThreadFactory;
+import org.apache.commons.lang3.NotImplementedException;
+import org.apache.iotdb.rpc.IoTDBConnectionException;
+import org.apache.iotdb.rpc.StatementExecutionException;
+import org.apache.iotdb.session.pool.SessionPool;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.time.Instant;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+import java.util.function.ToDoubleFunction;
+import java.util.function.ToLongFunction;
+
+/**
+ * Registry which stores all values as IoTDB Time Series.
+ * All time-related values should be milliseconds.
+ * <p>
+ * With default settings, each second all values are written.
+ */
+public class IoTDBRegistry extends PushMeterRegistry {
+
+ private static final Logger logger = LoggerFactory.getLogger(IoTDBRegistry.class);
+ private final SessionPool sessionPool;
+
+ public IoTDBRegistry(IoTDBRegistryConfig config, Clock clock) {
+ super(config, clock);
+
+ sessionPool = new SessionPool(config.getIp(), config.getPort(), config.getUser(), config.getPassword(), 1);
+
+ // Prepare a metric for here...
+ start(new NamedThreadFactory("iotdb-metrics-publisher"));
+ }
+
+ @Override
+ protected <T> Gauge newGauge(Meter.Id id, T obj, ToDoubleFunction<T> valueFunction) {
+ return new DefaultGauge<>(id, obj, valueFunction);
+ }
+
+ @Override
+ protected Counter newCounter(Meter.Id id) {
+ return new CumulativeCounter(id);
Review comment:
the CumulativeCounter uses an array (DoubleAdder) to records each increased value. But the counter has only an interface count() . Is that needed to save all historical increased values (Should we change to some other counter implementation)?
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[GitHub] [incubator-iotdb] sonarcloud[bot] commented on pull request #1303: Add Metrics Service based on Micrometer.
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[GitHub] [incubator-iotdb] sonarcloud[bot] removed a comment on pull request #1303: Add Metrics Service based on Micrometer.
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[GitHub] [incubator-iotdb] jixuan1989 commented on pull request #1303: Add Metrics Service based on Micrometer.
Posted by GitBox <gi...@apache.org>.
jixuan1989 commented on pull request #1303:
URL: https://github.com/apache/incubator-iotdb/pull/1303#issuecomment-641168499
some suggestions:
1. use `latency` rather than `duration`;
2. use InsertPlan to write data rather than use SQL;
3. I think it is better to keep the server module as lightweight as possible;
- add a switch to enable/disable collect metrics (please read the 4th suggestion. If the performance impaction can be ignored, we do not need this switch);
- add a switch to enable/disable writing metrics into IoTDB
- move the HTTP service and Prometheus into a new module, e.g., Prometheus-registry. Then the dependency of micrometer-registry-prometheus can be moved out of the server module.
(1) To implement it, you may have to extract some implement in MicrometerServerService.java as an interface, and just retain the IoTDBRegistry as the default implementation;
(2) In `prometheus-registry` module, you can add the dependency and reimplement the interface.
(3) suppose we have a new module `prometheus-registry`, do not let the `server` module depends on it. If so, we may need using the Java reflect strategy to load the new implementation in (2).
4. better to attach a report that the performance impaction after adding this feature
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[GitHub] [incubator-iotdb] sonarcloud[bot] commented on pull request #1303: Add Metrics Service based on Micrometer.
Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #1303:
URL: https://github.com/apache/incubator-iotdb/pull/1303#issuecomment-642524058
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[GitHub] [incubator-iotdb] sonarcloud[bot] removed a comment on pull request #1303: Add Metrics Service based on Micrometer.
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URL: https://github.com/apache/incubator-iotdb/pull/1303#issuecomment-637423722
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