Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/482#discussion_r61127476
--- 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() {
+ String version =
work.getContext().getOptionManager().getOption(ExecConstants.CLUSTER_VERSION).string_val;
--- End diff --
The assumption for system options is that default values are same across
drillbits, and so they need not be put in the persistent store.
In this case, the default values across drillbits might not be the same.
This option has a default value of what is returned by
`DrillVersionInfo.getVersion()`, and default values are **not put** in
persistent store. But if an admin modifies the option, the value is put in the
store.
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