Remove key length assertion LRUHandle::CalcTotalCharge (facebook#6115)

Summary: Inserting an entry in the block cache with 0 length key is a valid use case. Remove the assertion in ```LRUHandle::CalcTotalCharge```. Pull Request resolved: facebook#6115 Differential Revision: D18769693 Pulled By: anand1976 fbshipit-source-id: 34cc159650300dda6d7273480640478f28392cda
wolfkdy · Dec 2, 2019 · 8812df4 · 8812df4
1 parent 0ed3df2
commit 8812df4
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/cache/lru_cache.h b/cache/lru_cache.h
@@ -133,7 +133,6 @@ struct LRUHandle {
   // Caclculate the memory usage by metadata
   inline size_t CalcTotalCharge(
       CacheMetadataChargePolicy metadata_charge_policy) {
-    assert(key_length);
     size_t meta_charge = 0;
     if (metadata_charge_policy == kFullChargeCacheMetadata) {
 #ifdef ROCKSDB_MALLOC_USABLE_SIZE