/** * Tests whether new sharding is detected on insert by mongos * * This test is labeled resource intensive because its total io_write is 650MB compared to a median * of 135MB across all sharding tests in mmapv1. * @tags: [resource_intensive] */ (function() { 'use strict'; var st = new ShardingTest({shards: 10, mongos: 3}); var mongosA = st.s0; var mongosB = st.s1; var mongosC = st.s2; var admin = mongosA.getDB("admin"); var config = mongosA.getDB("config"); var collA = mongosA.getCollection("foo.bar"); var collB = mongosB.getCollection("" + collA); var collC = mongosB.getCollection("" + collA); var shards = [ st.shard0, st.shard1, st.shard2, st.shard3, st.shard4, st.shard5, st.shard6, st.shard7, st.shard8, st.shard9 ]; assert.commandWorked(admin.runCommand({enableSharding: "" + collA.getDB()})); st.ensurePrimaryShard(collA.getDB().getName(), st.shard1.shardName); assert.commandWorked(admin.runCommand({shardCollection: "" + collA, key: {_id: 1}})); jsTestLog("Splitting up the collection..."); // Split up the collection for (var i = 0; i < shards.length; i++) { assert.commandWorked(admin.runCommand({split: "" + collA, middle: {_id: i}})); assert.commandWorked( admin.runCommand({moveChunk: "" + collA, find: {_id: i}, to: shards[i].shardName})); } mongosB.getDB("admin").runCommand({flushRouterConfig: 1}); mongosC.getDB("admin").runCommand({flushRouterConfig: 1}); printjson(collB.count()); printjson(collC.count()); // Change up all the versions... for (var i = 0; i < shards.length; i++) { assert.commandWorked(admin.runCommand({ moveChunk: "" + collA, find: {_id: i}, to: shards[(i + 1) % shards.length].shardName })); } // Make sure mongos A is up-to-date mongosA.getDB("admin").runCommand({flushRouterConfig: 1}); jsTestLog("Running count!"); printjson(collB.count()); printjson(collC.find().toArray()); st.stop(); })();