keith-turner commented on a change in pull request #2096:
URL: https://github.com/apache/accumulo/pull/2096#discussion_r631956918
##########
File path:
core/src/main/java/org/apache/accumulo/core/clientImpl/InstanceOperationsImpl.java
##########
@@ -204,6 +210,54 @@ public boolean testClassLoad(final String className, final
String asTypeName)
}
}
+ @Override
+ public List<ActiveCompaction> getActiveCompactions()
+ throws AccumuloException, AccumuloSecurityException {
+
+ List<HostAndPort> compactors =
ExternalCompactionUtil.getCompactorAddrs(context);
+ List<String> tservers = getTabletServers();
+
+ int numThreads = Math.max(4, Math.min((tservers.size() +
compactors.size()) / 10, 256));
+ var executorService =
+ ThreadPools.createFixedThreadPool(numThreads, "getactivecompactions",
false);
+ try {
+ List<Future<List<ActiveCompaction>>> futures = new ArrayList<>();
+
+ for (String tserver : tservers) {
+ futures.add(executorService.submit(() ->
getActiveCompactions(tserver)));
+ }
+
+ for (HostAndPort compactorAddr : compactors) {
+ futures
+ .add(
+ executorService
+ .submit(
+ () ->
ExternalCompactionUtil.getActiveCompaction(compactorAddr, context)
+ .stream().map(tac -> new
ActiveCompactionImpl(context, tac,
+ compactorAddr, CompactionHost.Type.COMPACTOR))
+ .collect(Collectors.toList())));
Review comment:
oh yeah this is awful, i think I did this. I suspect breaking it out to
multiple lines would help a lot.
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