(function() { 'use strict' ; var st = new ShardingTest({mongos: 1, shards: 2, other: {enableBalancer: false }}); const zoneName = 'zone' ; const dbName = 'db' ; const collName = 'coll' ; const shard0 = st.shard0.shardName; const shard1 = st.shard1.shardName; const sKey = 'x' ; assert .commandWorked(st.s.adminCommand({enableSharding: dbName, primaryShard: shard0})); const coll = st.s.getDB(dbName)[collName]; assert .commandWorked(st.s.adminCommand({addShardToZone: shard0, zone: zoneName})); // Ensure cache for the database is warmed up on the config server assert .commandWorked(st.configRS.getPrimary().adminCommand({_flushDatabaseCacheUpdates: dbName})); // Create collection with one chunk on shard 0 assert .commandWorked(st.s.adminCommand({shardCollection: coll.getFullName(), key: {sKey: 1}})); assert (st.shard0.getCollection(coll.getFullName()).exists(), "Collection does not exist on shard0 despite the shard has chunks and is database primary" ); assert ( !st.shard1.getCollection(coll.getFullName()).exists(), "Collection exists on shard1 even but shard1 is not db primary nor has chunks for the collection" ); assert (coll.exists()); // Move the database primary, the config server does not invalidate the cache assert .commandWorked(st.s.adminCommand({movePrimary: dbName, to: shard1})) assert .commandWorked(st.s.adminCommand({ reshardCollection: coll.getFullName(), key: {sKey: 1, "newField" : 1}, zones: [{ min: {sKey: MinKey(), newField: MinKey()}, max: {sKey: MaxKey(), newField: MaxKey()}, zone: zoneName, }] })); assert (st.shard0.getCollection(coll.getFullName()).exists(), "Collection does not exist on shard0 despite the shard has chunks" ); let res = assert .commandWorked(st.s.adminCommand({checkMetadataConsistency: 1})); assert .neq(res.cursor.firstBatch.length, 0); jsTest.log( "Logging checkMetadataConsistency" ); jsTest.log(res); assert (st.shard1.getCollection(coll.getFullName()).exists(), "Collection does not exist on shard1 despite the shard is database primary" ); assert (coll.exists()); st.stop(); })();