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randomize mergepolicy settings on the fly 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1593397 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Muir 2014-05-08 19:58:41 +00:00
parent 1b0834ec83
commit dd6c806d12
1 changed files with 38 additions and 4 deletions
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42
lucene/test-framework/src/java/org/apache/lucene/util/LuceneTestCase.java
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@ -1087,14 +1087,48 @@ public abstract class LuceneTestCase extends Assert {
// change CMS merge parameters
MergeScheduler ms = c.getMergeScheduler();
if (ms instanceof ConcurrentMergeScheduler) {
int maxThreadCount = TestUtil.nextInt(random(), 1, 4);
int maxMergeCount = TestUtil.nextInt(random(), maxThreadCount, maxThreadCount + 4);
int maxThreadCount = TestUtil.nextInt(r, 1, 4);
int maxMergeCount = TestUtil.nextInt(r, maxThreadCount, maxThreadCount + 4);
((ConcurrentMergeScheduler)ms).setMaxMergesAndThreads(maxMergeCount, maxThreadCount);
}
}
// TODO: mergepolicy, etc have mutable state on indexwriter
// every setter must be tested
if (rarely(r)) {
MergePolicy mp = c.getMergePolicy();
configureRandom(r, mp);
if (mp instanceof LogMergePolicy) {
LogMergePolicy logmp = (LogMergePolicy) mp;
logmp.setCalibrateSizeByDeletes(r.nextBoolean());
if (rarely(r)) {
logmp.setMergeFactor(TestUtil.nextInt(r, 2, 9));
} else {
logmp.setMergeFactor(TestUtil.nextInt(r, 10, 50));
}
} else if (mp instanceof TieredMergePolicy) {
TieredMergePolicy tmp = (TieredMergePolicy) mp;
if (rarely(r)) {
tmp.setMaxMergeAtOnce(TestUtil.nextInt(r, 2, 9));
tmp.setMaxMergeAtOnceExplicit(TestUtil.nextInt(r, 2, 9));
} else {
tmp.setMaxMergeAtOnce(TestUtil.nextInt(r, 10, 50));
tmp.setMaxMergeAtOnceExplicit(TestUtil.nextInt(r, 10, 50));
}
if (rarely(r)) {
tmp.setMaxMergedSegmentMB(0.2 + r.nextDouble() * 2.0);
} else {
tmp.setMaxMergedSegmentMB(r.nextDouble() * 100);
}
tmp.setFloorSegmentMB(0.2 + r.nextDouble() * 2.0);
tmp.setForceMergeDeletesPctAllowed(0.0 + r.nextDouble() * 30.0);
if (rarely(r)) {
tmp.setSegmentsPerTier(TestUtil.nextInt(r, 2, 20));
} else {
tmp.setSegmentsPerTier(TestUtil.nextInt(r, 10, 50));
}
configureRandom(r, tmp);
tmp.setReclaimDeletesWeight(r.nextDouble()*4);
}
}
}
/**