javanna commented on code in PR #12799: URL: https://github.com/apache/lucene/pull/12799#discussion_r1396067925
########## lucene/core/src/java/org/apache/lucene/util/hnsw/HnswConcurrentMergeBuilder.java: ########## @@ -77,42 +75,17 @@ public OnHeapHnswGraph build(int maxOrd) throws IOException { HNSW_COMPONENT, "build graph from " + maxOrd + " vectors, with " + workers.length + " workers"); } - List<Future<?>> futures = new ArrayList<>(); + List<Callable<Void>> futures = new ArrayList<>(); for (int i = 0; i < workers.length; i++) { int finalI = i; futures.add( - exec.submit( - () -> { - try { - workers[finalI].run(maxOrd); - } catch (IOException e) { - throw new RuntimeException(e); - } - })); - } - Throwable exc = null; - for (Future<?> future : futures) { - try { - future.get(); - } catch (InterruptedException e) { - var newException = new ThreadInterruptedException(e); - if (exc == null) { - exc = newException; - } else { - exc.addSuppressed(newException); - } - } catch (ExecutionException e) { - if (exc == null) { - exc = e.getCause(); - } else { - exc.addSuppressed(e.getCause()); - } - } - } - if (exc != null) { - // The error handling was copied from TaskExecutor. should we just use TaskExecutor instead? - throw IOUtils.rethrowAlways(exc); + () -> { + workers[finalI].run(maxOrd); + return null; + }); } + TaskExecutor taskExecutor = new TaskExecutor(exec); Review Comment: Would it make sense to not create a new instance all the time, given that the provided executor is final? Maybe we could create the TaskExecutor and carry it around already in ConcurrentHnswMerger? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org