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From sudheeshkatkam <...@git.apache.org>
Subject [GitHub] drill pull request #482: DRILL-4604: Generate warning on Web UI if drillbits...
Date Tue, 25 Oct 2016 19:02:37 GMT
Github user sudheeshkatkam commented on a diff in the pull request:

    https://github.com/apache/drill/pull/482#discussion_r84973313
  
    --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/server/rest/DrillRoot.java
---
    @@ -55,44 +59,89 @@ public Viewable getStats() {
       @GET
       @Path("/stats.json")
       @Produces(MediaType.APPLICATION_JSON)
    -  public List<Stat> getStatsJSON() {
    -    List<Stat> stats = Lists.newLinkedList();
    -    stats.add(new Stat("Number of Drill Bits", work.getContext().getBits().size()));
    -    int number = 0;
    -    for (CoordinationProtos.DrillbitEndpoint bit : work.getContext().getBits()) {
    -      String initialized = bit.isInitialized() ? " initialized" : " not initialized";
    -      stats.add(new Stat("Bit #" + number, bit.getAddress() + initialized));
    -      ++number;
    +  public Stats getStatsJSON() {
    +    final String version = work.getContext().getOptionManager().getOption(ExecConstants.CLUSTER_VERSION).string_val;
    +
    +    final Map<String, Object> props = Maps.newLinkedHashMap();
    +    props.put("Cluster Version", version);
    +    props.put("Number of Drillbits", work.getContext().getBits().size());
    +    CoordinationProtos.DrillbitEndpoint currentEndpoint = work.getContext().getEndpoint();
    +    final String address = currentEndpoint.getAddress();
    +    props.put("Data Port Address", address + ":" + currentEndpoint.getDataPort());
    +    props.put("User Port Address", address + ":" + currentEndpoint.getUserPort());
    +    props.put("Control Port Address", address + ":" + currentEndpoint.getControlPort());
    +    props.put("Maximum Direct Memory", DrillConfig.getMaxDirectMemory());
    +
    +    return new Stats(props, collectDrillbits(version));
    +  }
    +
    +  private Collection<DrillbitInfo> collectDrillbits(String version) {
    +    Set<DrillbitInfo> drillbits = Sets.newTreeSet();
    +    for (CoordinationProtos.DrillbitEndpoint endpoint : work.getContext().getBits())
{
    +      boolean versionMatch = version.equals(endpoint.getVersion());
    +      DrillbitInfo drillbit = new DrillbitInfo(endpoint.getAddress(), endpoint.isInitialized(),
endpoint.getVersion(), versionMatch);
    --- End diff --
    
    Remove misleading `endpoint.isInitialized()`. Looks like that is a check if protobuf object
is initialized, and not the drillbit.


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