dcapwell commented on code in PR #2144:
URL: https://github.com/apache/cassandra/pull/2144#discussion_r1128610559
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src/java/org/apache/cassandra/service/accord/AccordStateCache.java:
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@@ -247,96 +260,115 @@ private void maybeEvict()
Node<?, ?> evict = current;
current = current.prev;
- // if there are any dangling write only groups, apply them and
- // move their futures into write futures so we don't evict
- applyAndRemoveWriteOnlyGroup(evict.value);
- if (!canEvict(evict.key()))
+ if (!canEvict(evict))
continue;
- logger.trace("Evicting {} {}",
evict.value.getClass().getSimpleName(), evict.key());
- unlink(evict);
- cache.remove(evict.key());
- bytesCached -= evict.estimatedSizeOnHeap();
+ evict(evict, true);
}
}
- private static <K, F extends Future<?>> F getFuture(NamedMap<Object, F>
futuresMap, K key)
+ private void evict(Node<?, ?> evict, boolean unlink)
{
- F r = futuresMap.get(key);
+ logger.trace("Evicting {} {} - {}", evict.state(), evict.key(),
evict.isLoaded() ? evict.value() : null);
+ if (unlink) unlink(evict);
Review Comment:
I wrote this to maintain assumption checks, if we believe it should be
linked but it isn't, this is a bug we should fail on.
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