fabriziofortino commented on code in PR #2442:
URL: https://github.com/apache/jackrabbit-oak/pull/2442#discussion_r2273961848
##########
oak-search-elastic/src/main/java/org/apache/jackrabbit/oak/plugins/index/elastic/query/async/facets/ElasticStatisticalFacetAsyncProvider.java:
##########
@@ -96,87 +106,120 @@ public class ElasticStatisticalFacetAsyncProvider
implements ElasticFacetProvide
)
);
- LOG.trace("Kicking search query with random sampling {}",
searchRequest);
- CompletableFuture<SearchResponse<ObjectNode>> searchFuture =
- connection.getAsyncClient().search(searchRequest,
ObjectNode.class);
-
- searchFuture.whenCompleteAsync((searchResponse, throwable) -> {
- try {
- if (throwable != null) {
- LOG.error("Error while retrieving sample documents. Search
request: {}", searchRequest, throwable);
- } else {
- List<Hit<ObjectNode>> searchHits =
searchResponse.hits().hits();
- this.sampled = searchHits != null ? searchHits.size() : 0;
- if (sampled > 0) {
- this.totalHits = searchResponse.hits().total().value();
- processAggregations(searchResponse.aggregations());
- searchResponse.hits().hits().forEach(this::processHit);
- computeStatisticalFacets();
- }
- }
- } finally {
- latch.countDown();
- }
- });
+ this.queryStartTimeNanos = System.nanoTime();
+ LOG.trace("Kicking search query with random sampling {}",
searchRequest, new Throwable());
Review Comment:
any specific reason to print the stacktrace here?
##########
oak-search-elastic/src/main/java/org/apache/jackrabbit/oak/plugins/index/elastic/query/async/facets/ElasticStatisticalFacetAsyncProvider.java:
##########
@@ -63,14 +64,23 @@ public class ElasticStatisticalFacetAsyncProvider
implements ElasticFacetProvide
private final Predicate<String> isAccessible;
private final Set<String> facetFields;
private final long facetsEvaluationTimeoutMs;
- private final Map<String, List<FulltextIndex.Facet>> allFacets = new
HashMap<>();
- private final Map<String, Map<String, MutableInt>> accessibleFacetCounts =
new ConcurrentHashMap<>();
private Map<String, List<FulltextIndex.Facet>> facets;
private final SearchRequest searchRequest;
- private final CountDownLatch latch = new CountDownLatch(1);
+ private final CompletableFuture<Map<String, List<FulltextIndex.Facet>>>
searchFuture;
private int sampled;
private long totalHits;
+ private final long queryStartTimeNanos;
+ // All these variables are updated only by the event handler thread of
Elastic. They are read either by that
+ // same thread or by the client thread that waits for the latch to
complete. Since the latch causes a memory barrier,
+ // the updated values will be visible to the client thread.
+ private long queryTimeNanos;
+ private long processAggregationsTimeNannos;
Review Comment:
typo
```suggestion
private long processAggregationsTimeNanos;
```
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