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authorArul.Nambi <arul.nambi@amdocs.com>2017-09-26 14:00:57 -0400
committerArul.Nambi <arul.nambi@amdocs.com>2017-09-26 14:01:41 -0400
commitc593dfe4c59d37d5d4ea14e3ac31da3318029562 (patch)
tree76cc5a494f02e14b809caad9c050fbfd6cd61a51 /src/main/java/org/openecomp/sparky/synchronizer/TransactionRateController.java
parent6777c6092050a0271c5d7de9c239cf1580d41fa8 (diff)
Renaming openecomp to onap
Issue-ID: AAI-208 Change-Id: I2bd02287bed376111156aca0100e2b7b74e368e3 Signed-off-by: Arul.Nambi <arul.nambi@amdocs.com>
Diffstat (limited to 'src/main/java/org/openecomp/sparky/synchronizer/TransactionRateController.java')
-rw-r--r--src/main/java/org/openecomp/sparky/synchronizer/TransactionRateController.java110
1 files changed, 0 insertions, 110 deletions
diff --git a/src/main/java/org/openecomp/sparky/synchronizer/TransactionRateController.java b/src/main/java/org/openecomp/sparky/synchronizer/TransactionRateController.java
deleted file mode 100644
index 14ae67f..0000000
--- a/src/main/java/org/openecomp/sparky/synchronizer/TransactionRateController.java
+++ /dev/null
@@ -1,110 +0,0 @@
-/**
- * ============LICENSE_START=======================================================
- * org.onap.aai
- * ================================================================================
- * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
- * Copyright © 2017 Amdocs
- * ================================================================================
- * 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.
- * ============LICENSE_END=========================================================
- *
- * ECOMP is a trademark and service mark of AT&T Intellectual Property.
- */
-package org.openecomp.sparky.synchronizer;
-
-import java.util.concurrent.atomic.AtomicInteger;
-
-import org.openecomp.sparky.analytics.AveragingRingBuffer;
-import org.openecomp.sparky.synchronizer.config.TaskProcessorConfig;
-
-/**
- * TODO: Fill in description.
- *
- * @author davea.
- */
-public class TransactionRateController {
-
- private AveragingRingBuffer responseTimeTracker;
- private double msPerTransaction;
- private int numThreads;
- private TaskProcessorConfig config;
- private long startTimeInMs;
- private AtomicInteger numTransactions;
-
- /**
- * Instantiates a new transaction rate controller.
- *
- * @param config the config
- */
- public TransactionRateController(TaskProcessorConfig config) {
-
- this.config = config;
- this.responseTimeTracker = new AveragingRingBuffer(
- config.getNumSamplesPerThreadForRunningAverage() * config.getMaxConcurrentWorkers());
- this.msPerTransaction = 1000 / config.getTargetTps();
- this.numThreads = config.getMaxConcurrentWorkers();
- this.startTimeInMs = System.currentTimeMillis();
- this.numTransactions = new AtomicInteger(0);
- }
-
- /**
- * Track response time.
- *
- * @param responseTimeInMs the response time in ms
- */
- public void trackResponseTime(long responseTimeInMs) {
- this.numTransactions.incrementAndGet();
- responseTimeTracker.addSample(responseTimeInMs);
- }
-
- public long getFixedDelayInMs() {
-
- /*
- * The math here is pretty simple:
- *
- * 1. Target TPS is 10. Then the msPerTxn = 1000/10 = 100ms
- *
- * 2. If the calculated avgResponseTime = 40 ms, then the proposed delay is 60ms per thread.
- *
- * 3. If the calculated avgResponseTime = 200ms, then the proposed delay is -100 ms, which is
- * not possible, we can't speed it up, so we don't propose any further delay.
- */
-
- double proposedDelay = 0;
-
- if (config.isTransactionRateControllerEnabled()) {
- proposedDelay = ((msPerTransaction - responseTimeTracker.getAvg()) * this.numThreads);
-
- if (proposedDelay > 0) {
- return (long) (proposedDelay);
- }
- }
-
- return (long) proposedDelay;
- }
-
- public long getAvg() {
- return responseTimeTracker.getAvg();
- }
-
- public double getCurrentTps() {
- if (numTransactions.get() > 0) {
- double timeDelta = System.currentTimeMillis() - startTimeInMs;
- double numTxns = numTransactions.get();
- return (numTxns / timeDelta) * 1000.0;
- }
-
- return 0.0;
- }
-
-}