uschindler commented on code in PR #16931:
URL: https://github.com/apache/lucene/pull/16931#discussion_r4402766756
##########
lucene/core/src/java/org/apache/lucene/store/RefCountedSharedArena.java:
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@@ -40,9 +41,15 @@
*/
final class RefCountedSharedArena implements Arena {
+ // Intentionally no equals/hashCode: MMapDirectory's arenas.remove(key,
arena) relies on identity.
+
// default maximum permits
static final int DEFAULT_MAX_PERMITS = 64;
+ // the largest configurable number of permits, since the remaining permits
are tracked in the high
+ // 16 bits of the (signed) state
+ static final int MAX_PERMITS = 0x7FFF;
Review Comment:
thanks for adding this constant!
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