jstests/sharding/movechunk_include.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41

function setupMoveChunkTest(st) {
    //Stop Balancer
    st.stopBalancer();

    var testdb = st.getDB( "test" );
    var testcoll = testdb.foo;

    st.adminCommand( { enablesharding : "test" } );
    st.ensurePrimaryShard('test', 'shard0001');
    st.adminCommand( { shardcollection : "test.foo" , key : { _id : 1 } } );

    var str = "";
    while ( str.length < 10000 ) {
        str += "asdasdsdasdasdasdas";
    }

    var data = 0;
    var num = 0;

    //Insert till you get to 10MB of data
    var bulk = testcoll.initializeUnorderedBulkOp();
    while ( data < ( 1024 * 1024 * 10 ) ) {
        bulk.insert({ _id: num++, s: str });
        data += str.length;
    }
    assert.writeOK(bulk.execute());

    var stats = st.chunkCounts( "foo" );
    var to = "";
    for ( shard in stats ){
        if ( stats[shard] == 0 ) {
            to = shard;
            break;
        }
    }
    var result = st.adminCommand( { movechunk : "test.foo" ,
                                    find : { _id : 1 } ,
                                    to : to ,
                                    _waitForDelete : true} ); //some tests need this...
    assert(result, "movechunk failed: " + tojson( result ) );
}