69 lines
2.1 KiB
JavaScript
69 lines
2.1 KiB
JavaScript
// Test write re-routing on version mismatch.
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import {ShardingTest} from "jstests/libs/shardingtest.js";
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var st = new ShardingTest({shards: 2, mongos: 2});
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var mongos = st.s;
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var admin = mongos.getDB("admin");
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var config = mongos.getDB("config");
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var coll = st.s.getCollection('TestDB.coll');
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assert.commandWorked(
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mongos.adminCommand({enableSharding: 'TestDB', primaryShard: st.shard0.shardName}));
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assert.commandWorked(mongos.adminCommand({shardCollection: 'TestDB.coll', key: {_id: 1}}));
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jsTest.log("Refreshing second mongos...");
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var mongosB = st.s1;
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var adminB = mongosB.getDB("admin");
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var collB = mongosB.getCollection(coll + "");
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// Make sure mongosB knows about the coll
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assert.eq(0, collB.find().itcount());
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jsTest.log("Moving chunk to create stale mongos...");
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assert.commandWorked(
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admin.runCommand({moveChunk: coll + "", find: {_id: 0}, to: st.shard1.shardName}));
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jsTest.log("Inserting docs that needs to be retried...");
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var nextId = -1;
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for (var i = 0; i < 2; i++) {
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printjson("Inserting " + nextId);
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assert.commandWorked(collB.insert({_id: nextId--, hello: "world"}));
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}
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jsTest.log("Inserting doc which successfully goes through...");
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// Do second write
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assert.commandWorked(collB.insert({_id: nextId--, goodbye: "world"}));
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// Assert that write went through
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assert.eq(coll.find().itcount(), 3);
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jsTest.log("Now try moving the actual chunk we're writing to...");
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// Now move the actual chunk we're writing to
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printjson(admin.runCommand({moveChunk: coll + "", find: {_id: -1}, to: st.shard1.shardName}));
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jsTest.log("Inserting second docs to get written back...");
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// Will fail entirely if too many of these, waiting for write to get applied can get too long.
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for (var i = 0; i < 2; i++) {
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collB.insert({_id: nextId--, hello: "world"});
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}
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// Refresh server
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printjson(adminB.runCommand({flushRouterConfig: 1}));
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jsTest.log("Inserting second doc which successfully goes through...");
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// Do second write
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assert.commandWorked(collB.insert({_id: nextId--, goodbye: "world"}));
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jsTest.log("All docs written this time!");
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// Assert that writes went through.
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assert.eq(coll.find().itcount(), 6);
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st.stop(); |