private void doPuts(int puts) {
    Region<String, String> region = cacheRule.getCache().getRegion(regionName);
    for (int i = 1; i <= puts; i++) {
      region.put("KEY-" + i, "VALUE-" + i);
    }
  }
HARegionQueueThreadIdExpiryRegressionTest
<p>
TRAC #48879: Leaking ThreadIdentifiers and DispatchedAndCurrentEvents objects when client uses
many short lived threads
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ha/HARegionQueueThreadIdExpiryRegressionTest.java