Repository: cassandra Updated Branches: refs/heads/trunk a0586f692 -> b7563f823
include missing files Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/b7563f82 Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/b7563f82 Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/b7563f82 Branch: refs/heads/trunk Commit: b7563f823ed5cacd553721016ab4609e85685afd Parents: a0586f6 Author: Benedict Elliott Smith <[email protected]> Authored: Tue Mar 10 17:12:31 2015 +0000 Committer: Benedict Elliott Smith <[email protected]> Committed: Tue Mar 10 17:12:31 2015 +0000 ---------------------------------------------------------------------- .../apache/cassandra/io/util/MemoryTest.java | 75 ++++++++++ .../cassandra/stress/util/TimingIntervals.java | 139 +++++++++++++++++++ 2 files changed, 214 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/cassandra/blob/b7563f82/test/unit/org/apache/cassandra/io/util/MemoryTest.java ---------------------------------------------------------------------- diff --git a/test/unit/org/apache/cassandra/io/util/MemoryTest.java b/test/unit/org/apache/cassandra/io/util/MemoryTest.java new file mode 100644 index 0000000..7e37265 --- /dev/null +++ b/test/unit/org/apache/cassandra/io/util/MemoryTest.java @@ -0,0 +1,75 @@ +/* +* 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.cassandra.io.util; + +import java.nio.ByteBuffer; +import java.nio.ByteOrder; +import java.util.concurrent.ThreadLocalRandom; + +import org.junit.Test; + +import junit.framework.Assert; +import org.apache.cassandra.utils.memory.MemoryUtil; + +public class MemoryTest +{ + + @Test + public void testByteBuffers() + { + byte[] bytes = new byte[1000]; + ThreadLocalRandom.current().nextBytes(bytes); + final Memory memory = Memory.allocate(bytes.length); + memory.setBytes(0, bytes, 0, bytes.length); + ByteBuffer canon = ByteBuffer.wrap(bytes).order(ByteOrder.nativeOrder()); + test(canon, memory); + memory.setBytes(0, new byte[1000], 0, 1000); + memory.setBytes(0, canon.duplicate()); + test(canon, memory); + } + + private static void test(ByteBuffer canon, Memory memory) + { + ByteBuffer hollow = MemoryUtil.getHollowDirectByteBuffer(); + test(canon, hollow, memory, 0, 1000); + test(canon, hollow, memory, 33, 100); + test(canon, hollow, memory, 77, 77); + test(canon, hollow, memory, 903, 96); + } + + private static void test(ByteBuffer canon, ByteBuffer hollow, Memory memory, int offset, int length) + { + canon = canon.duplicate(); + canon.position(offset).limit(offset + length); + canon = canon.slice().order(ByteOrder.nativeOrder()); + test(canon, memory.asByteBuffer(offset, length)); + memory.setByteBuffer(hollow, offset, length); + test(canon, hollow); + } + + private static void test(ByteBuffer canon, ByteBuffer test) + { + Assert.assertEquals(canon, test); + for (int i = 0 ; i <= canon.limit() - 4 ; i += 4) + Assert.assertEquals(canon.getInt(i), test.getInt(i)); + for (int i = 0 ; i <= canon.limit() - 8 ; i += 8) + Assert.assertEquals(canon.getLong(i), test.getLong(i)); + } + +} http://git-wip-us.apache.org/repos/asf/cassandra/blob/b7563f82/tools/stress/src/org/apache/cassandra/stress/util/TimingIntervals.java ---------------------------------------------------------------------- diff --git a/tools/stress/src/org/apache/cassandra/stress/util/TimingIntervals.java b/tools/stress/src/org/apache/cassandra/stress/util/TimingIntervals.java new file mode 100644 index 0000000..ab89d07 --- /dev/null +++ b/tools/stress/src/org/apache/cassandra/stress/util/TimingIntervals.java @@ -0,0 +1,139 @@ +package org.apache.cassandra.stress.util; + +import java.util.Arrays; +import java.util.Map; +import java.util.TreeMap; + +public class TimingIntervals +{ + final Map<String, TimingInterval> intervals; + TimingIntervals(Iterable<String> opTypes) + { + long now = System.nanoTime(); + intervals = new TreeMap<>(); + for (String opType : opTypes) + intervals.put(opType, new TimingInterval(now)); + } + + TimingIntervals(Map<String, TimingInterval> intervals) + { + this.intervals = intervals; + } + + public TimingIntervals merge(TimingIntervals with, int maxSamples, long start) + { + assert intervals.size() == with.intervals.size(); + TreeMap<String, TimingInterval> ret = new TreeMap<>(); + + for (String opType : intervals.keySet()) + { + assert with.intervals.containsKey(opType); + ret.put(opType, TimingInterval.merge(Arrays.asList(intervals.get(opType), with.intervals.get(opType)), maxSamples, start)); + } + + return new TimingIntervals(ret); + } + + public TimingInterval get(String opType) + { + return intervals.get(opType); + } + + public TimingInterval combine(int maxSamples) + { + long start = Long.MAX_VALUE; + for (TimingInterval ti : intervals.values()) + start = Math.min(start, ti.startNanos()); + + return TimingInterval.merge(intervals.values(), maxSamples, start); + } + + public String str(TimingInterval.TimingParameter value) + { + return str(value, Float.NaN); + } + + public String str(TimingInterval.TimingParameter value, float rank) + { + StringBuilder sb = new StringBuilder("["); + + for (Map.Entry<String, TimingInterval> entry : intervals.entrySet()) + { + sb.append(entry.getKey()); + sb.append(":"); + sb.append(entry.getValue().getStringValue(value, rank)); + sb.append(", "); + } + + sb.setLength(sb.length()-2); + sb.append("]"); + + return sb.toString(); + } + + public String opRates() + { + return str(TimingInterval.TimingParameter.OPRATE); + } + public String partitionRates() + { + return str(TimingInterval.TimingParameter.PARTITIONRATE); + } + public String rowRates() + { + return str(TimingInterval.TimingParameter.ROWRATE); + } + public String meanLatencies() + { + return str(TimingInterval.TimingParameter.MEANLATENCY); + } + public String maxLatencies() + { + return str(TimingInterval.TimingParameter.MAXLATENCY); + } + public String medianLatencies() + { + return str(TimingInterval.TimingParameter.MEDIANLATENCY); + } + public String rankLatencies(float rank) + { + return str(TimingInterval.TimingParameter.MEDIANLATENCY, rank); + } + public String errorCounts() + { + return str(TimingInterval.TimingParameter.ERRORCOUNT); + } + public String partitionCounts() + { + return str(TimingInterval.TimingParameter.PARTITIONCOUNT); + } + + public long opRate() + { + long v = 0; + for (TimingInterval interval : intervals.values()) + v += interval.opRate(); + return v; + } + + public long startNanos() + { + long start = Long.MAX_VALUE; + for (TimingInterval interval : intervals.values()) + start = Math.min(start, interval.startNanos()); + return start; + } + + public long endNanos() + { + long end = Long.MIN_VALUE; + for (TimingInterval interval : intervals.values()) + end = Math.max(end, interval.startNanos()); + return end; + } + + public Map<String, TimingInterval> intervals() + { + return intervals; + } +}
