balesh2 commented on a change in pull request #25: GEODE-6148: improve
performance of Prepopulate
URL: https://github.com/apache/geode-benchmarks/pull/25#discussion_r240843250
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File path:
geode-benchmarks/src/main/java/org/apache/geode/benchmark/tasks/PrePopulateRegion.java
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@@ -50,14 +56,36 @@ public PrePopulateRegion(long keyRangeToPrepopulate) {
public void run(TestContext context) {
Cache serverCache = (Cache) context.getAttribute("SERVER_CACHE");
Region region = serverCache.getRegion("region");
+
+ int numLocators = context.getHostsForRole(LOCATOR).size();
+ int numServers = context.getHostsForRole(SERVER).size();
+ int serverIndex = context.getJvmID() - numLocators;
+ int numPutsPerServer = (int) this.keyRangeToPrepopulate / numServers;
+
+ AtomicInteger lowBound = new AtomicInteger();
+ AtomicInteger highBound = new AtomicInteger();
+
+ // calculate non-overlapping key ranges for each server
+ lowBound.set(numPutsPerServer * serverIndex);
+ highBound.set(numPutsPerServer * (serverIndex + 1));
+ if (serverIndex == (numServers - 1)) {
+ highBound.getAndAdd((int) this.keyRangeToPrepopulate % (serverIndex +
1));
+ }
+
+ // build a map of to put to the server
+ Map<Long, PortfolioPdx> valueMap = new HashMap<>();
+ LongStream.range(lowBound.get(), highBound.get()).forEach(i -> {
+ long value = ThreadLocalRandom.current().nextLong(lowBound.get(),
highBound.get());
Review comment:
This was just being used as the value, not the key, so I'll just change the
value to be the same as the key. Or a string of "value"+key. Any opinions on
which one is better?
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