59 lines
2.2 KiB
JavaScript
59 lines
2.2 KiB
JavaScript
(function() {
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'use strict';
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var st = new ShardingTest({shards: 2, chunkSize: 1});
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var testDB = st.s.getDB('test');
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assert.commandWorked(testDB.adminCommand({enableSharding: 'test'}));
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st.ensurePrimaryShard('test', 'shard0001');
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assert.commandWorked(testDB.adminCommand({shardCollection: 'test.user', key: {x: 'hashed'}}));
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var configDB = st.s.getDB('config');
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var chunkCountBefore = configDB.chunks.count();
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assert.gt(chunkCountBefore, 1);
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for (var x = 0; x < 1000; x++) {
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testDB.user.insert({x: x});
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}
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var chunkDoc = configDB.chunks.find().sort({min: 1}).next();
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var min = chunkDoc.min;
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var max = chunkDoc.max;
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// Assumption: There are documents in the MinKey chunk, otherwise, splitVector will
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// fail. Note: This chunk will have 267 documents if collection was presplit to 4.
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var cmdRes = testDB.adminCommand({split: 'test.user', bounds: [min, max]});
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assert(cmdRes.ok,
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'split on bounds failed on chunk[' + tojson(chunkDoc) + ']: ' + tojson(cmdRes));
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chunkDoc = configDB.chunks.find().sort({min: 1}).skip(1).next();
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var middle = chunkDoc.min + 1000000;
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cmdRes = testDB.adminCommand({split: 'test.user', middle: {x: middle}});
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assert(cmdRes.ok, 'split failed with middle [' + middle + ']: ' + tojson(cmdRes));
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cmdRes = testDB.adminCommand({split: 'test.user', find: {x: 7}});
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assert(cmdRes.ok, 'split failed with find: ' + tojson(cmdRes));
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var chunkList = configDB.chunks.find().sort({min: 1}).toArray();
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assert.eq(chunkCountBefore + 3, chunkList.length);
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chunkList.forEach(function(chunkToMove) {
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var toShard = configDB.shards.findOne({_id: {$ne: chunkToMove.shard}})._id;
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print(jsTestName() + " - moving chunk " + chunkToMove._id + " from shard " +
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chunkToMove.shard + " to " + toShard + "...");
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var cmdRes = testDB.adminCommand({
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moveChunk: 'test.user',
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bounds: [chunkToMove.min, chunkToMove.max],
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to: toShard,
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_waitForDelete: true
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});
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print(jsTestName() + " - result from moving chunk " + chunkToMove._id + ": " +
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tojson(cmdRes));
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});
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st.stop();
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})();
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