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Accord: Slice PreLoadContext to owned keys in MapReduceCommandStores

This commit is contained in:
Benedict Elliott Smith 2026-05-18 16:29:56 +01:00
parent 8ac59e05a7
commit eabcce910a
2 changed files with 4 additions and 4 deletions
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2
modules/accord

@ -1 +1 @@
Subproject commit 3caddca117a2ac154c8e0a4423b36df06569f2b0
Subproject commit b81408ccbd84f90278b6327402db08831ed61bcf

6
src/java/org/apache/cassandra/db/compaction/CompactionTask.java
View File

@ -35,8 +35,8 @@ import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import accord.local.CommandStores;
import accord.local.CommandStores.StoreFinder;
import accord.local.CommandStores.StoreSelector;
import accord.local.Node;
import accord.primitives.Ranges;
import accord.utils.Invariants;
@ -574,8 +574,8 @@ public class CompactionTask extends AbstractCompactionTask
// TODO (expected): we shouldn't need to limit to universalBefore, but this is a safety margin esp. against bugs with repairing tombstones or incomplete information in CommandStore;
// we should impose stronger guarantees on incoming streams (that they don't contain tombstones), and validate our CommandStore-derived bounds
gcBeforeSeconds = node.durableBefore().foldlWithDefault(ranges, (e, v) -> e == null ? NO_GC : Math.min(e.universal.hlc(), v), null, Long.MAX_VALUE);
CommandStores.StoreSelector selector = StoreFinder.selector(ranges, Long.MIN_VALUE, Long.MAX_VALUE);
gcBeforeSeconds = node.commandStores().mapReduceUnsafe(selector, commandStore -> commandStore.unsafeGetRedundantBefore().foldl(ranges, (bs, v) -> bs.maxBound(LOCALLY_APPLIED).hlc(), Long.MAX_VALUE), Math::min, gcBeforeSeconds);
StoreSelector selector = StoreFinder.selector(ranges, Long.MIN_VALUE, Long.MAX_VALUE);
gcBeforeSeconds = node.commandStores().mapReduceUnsafe(selector, (ignore, commandStore) -> commandStore.unsafeGetRedundantBefore().foldl(ranges, (bs, v) -> bs.maxBound(LOCALLY_APPLIED).hlc(), Long.MAX_VALUE), Math::min, gcBeforeSeconds);
if (gcBeforeSeconds == Long.MAX_VALUE)
gcBeforeSeconds = NO_GC;
else