Logically, I understand that the curl statement cannot be faster. Which is
how I reckon that I'm doing something wrong. This is how I am timing my
methods (from my own dev machine pointing to a vm) using the Google
stopwatch and ticker.
*Client connection to myvm:9300 using java:*
ClusterStateRequest clusterStateRequest = Requests.clusterStateRequest()
.filterRoutingTable(true)
.filterNodes(true)
.filteredIndices(new String[]{});
clusterStateRequest.listenerThreaded(false);
Stopwatch timer1 = new Stopwatch(Ticker.systemTicker()).start();
searcher.getClient().admin().cluster().state(clusterStateRequest).actionGet().getState().metaData();
System.out.println("myvm:9200/_aliases " +
timer1.stop().elapsedMillis());
=> Gets timed at 60-70ms, while curl -o /dev/null -s -w %{time_total}\\n
myvm:9200/_aliases gets timed at 7ms
*Client connection to myvm:9300 using java:*
Stopwatch timer = new Stopwatch(Ticker.systemTicker()).start();
Map<String, IndexStats> indices =
searcher.getClient().admin().indices().prepareStats().clear().get().getIndices();
System.out.println("myvm:9200/_stats : " + timer.stop().elapsedMillis());
=> gets timed to 25-35ms, while curl -o /dev/null -s -w %{time_total}\\n
10.40.1.218:9200/_stats gets timed to 20-30ms
As you can see, the latter gets similar timings in both java and curl,
while the former gets very different timings for what the code inspired by
the class RestGetIndicesAliasesAction.
The other example, I cannot use. I consistently get an empty map back
even if I replace the null with a string.
Emilie
On Tuesday, January 21, 2014 5:24:26 PM UTC-5, Jörg Prante wrote:
>
> Yes, asking the cluster state is possible to filter out for aliases (that
> is what the TransportGetAliasesAction is doing, too)
>
> I was using 1.0.0.RC1, RestGetIndicesAliasAction is deprecated in 1.0.0.RC1
>
> A null argument to GetAliasesRequest gives an NPE, but an empty string
> works:
>
> GetAliasesRequest getAliasesRequest = new GetAliasesRequest("");
> GetAliasesResponse response =
> client.admin().indices().getAliases(getAliasesRequest).actionGet();
> logger.info("{}", response.getAliases());
>
> The curl command can not be faster simply because it calls the Java action
> in the background, o I'm wondering what timestamps you are measuring.
>
> Jörg
>
>
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