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limit threads to cycles when threads=auto

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This commit is contained in:
Jonathan Shook 2020-04-21 11:17:41 -05:00
parent 5c80a283a3
commit 3f51ddf0ef
1 changed files with 12 additions and 1 deletions
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13
engine-api/src/main/java/io/nosqlbench/engine/api/activityimpl/SimpleActivity.java
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@ -285,7 +285,12 @@ public class SimpleActivity implements Activity {
int processors = Runtime.getRuntime().availableProcessors();
if (spec.toLowerCase().equals("auto")) {
int threads = processors*10;
logger.info("setting threads to " + threads + " (auto)");
if (threads>activityDef.getCycleCount()) {
threads=(int) activityDef.getCycleCount();
logger.info("setting threads to " + threads + " (auto) [10xCORES, cycle count limited]");
} else {
logger.info("setting threads to " + threads + " (auto) [10xCORES]");
}
activityDef.setThreads(threads);
} else if (spec.toLowerCase().matches("\\d+x")) {
String multiplier = spec.substring(0, spec.length() - 1);
@ -296,6 +301,12 @@ public class SimpleActivity implements Activity {
logger.info("setting threads to " + spec + "(direct)");
activityDef.setThreads(Integer.parseInt(spec));
}
if (activityDef.getThreads()>activityDef.getCycleCount()) {
logger.warn("threads="+activityDef.getThreads() + " and cycles=" + activityDef.getCycleSummary()
+ ", you should have more cycles than threads.");
}
} else {
if (cycleCount>1000) {
logger.warn("For testing at scale, it is highly recommended that you " +