clebertsuconic commented on a change in pull request #2730: ARTEMIS-2399 Fix
performance degradation when there are a lot of subscribers
URL: https://github.com/apache/activemq-artemis/pull/2730#discussion_r297883937
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File path:
artemis-server/src/main/java/org/apache/activemq/artemis/core/paging/cursor/impl/PageCursorProviderImpl.java
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@@ -209,7 +235,16 @@ private PageCache readPage(long pageId,
}
page.open();
final long startedReadPage = System.nanoTime();
- List<PagedMessage> pgdMessages = page.read(storageManager);
+ List<PagedMessage> pgdMessages;
+ if (indexCache == null) {
+ pgdMessages = page.read(storageManager);
+ } else {
+ TreeMap<Integer, Integer> messageNumberToOffset = new TreeMap<>();
Review comment:
And.. is there a way to encapsulate this logic on the PageIndexCacheImpl?
just for code organization?
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