public void testIgnoreIdleThreads() throws ExecutionException, InterruptedException {
// First time, don't ignore idle threads:
NodesHotThreadsRequestBuilder builder = client().admin().cluster().prepareNodesHotThreads();
builder.setIgnoreIdleThreads(false);
builder.setThreads(Integer.MAX_VALUE);
NodesHotThreadsResponse response = builder.execute().get();
int totSizeAll = 0;
for (NodeHotThreads node : response.getNodesMap().values()) {
totSizeAll += node.getHotThreads().length();
}
// Second time, do ignore idle threads:
builder = client().admin().cluster().prepareNodesHotThreads();
builder.setThreads(Integer.MAX_VALUE);
// Make sure default is true:
assertEquals(true, builder.request().ignoreIdleThreads());
response = builder.execute().get();
int totSizeIgnoreIdle = 0;
for (NodeHotThreads node : response.getNodesMap().values()) {
totSizeIgnoreIdle += node.getHotThreads().length();
}
// The filtered stacks should be smaller than unfiltered ones:
assertThat(totSizeIgnoreIdle, lessThan(totSizeAll));
}
public void testTimestampAndParams() throws ExecutionException, InterruptedException {
NodesHotThreadsResponse response =
client().admin().cluster().prepareNodesHotThreads().execute().get();
for (NodeHotThreads node : response.getNodesMap().values()) {
String result = node.getHotThreads();
assertTrue(result.indexOf("Hot threads at") != -1);
assertTrue(result.indexOf("interval=500ms") != -1);
assertTrue(result.indexOf("busiestThreads=3") != -1);
assertTrue(result.indexOf("ignoreIdleThreads=true") != -1);
}
}