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// Tests splitting a chunk twice
(function() {
'use strict';
var s = new ShardingTest({name: "shard_keycount", shards: 2, mongos: 1, other: {chunkSize: 1}});
var dbName = "test";
var collName = "foo";
var ns = dbName + "." + collName;
var db = s.getDB(dbName);
for (var i = 0; i < 10; i++) {
db.foo.insert({_id: i});
}
// Enable sharding on DB
assert.commandWorked(s.s0.adminCommand({enablesharding: dbName}));
s.ensurePrimaryShard(dbName, s.shard1.shardName);
// Enable sharding on collection
assert.commandWorked(s.s0.adminCommand({shardcollection: ns, key: {_id: 1}}));
// Split into two chunks
assert.commandWorked(s.s0.adminCommand({split: ns, find: {_id: 3}}));
var coll = db.getCollection(collName);
// Split chunk again
assert.commandWorked(s.s0.adminCommand({split: ns, find: {_id: 3}}));
assert.commandWorked(coll.update({_id: 3}, {_id: 3}));
// Split chunk again
assert.commandWorked(s.s0.adminCommand({split: ns, find: {_id: 3}}));
assert.commandWorked(coll.update({_id: 3}, {_id: 3}));
// Split chunk again
assert.commandWorked(s.s0.adminCommand({split: ns, find: {_id: 3}}));
s.stop();
})();
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