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//
// Tests split vector locations with force : true
//
var options = {
chunkSize: 1, // MB
};
var st = new ShardingTest({shards: 1, mongos: 1, other: options});
var mongos = st.s0;
var admin = mongos.getDB("admin");
var config = mongos.getDB("config");
var shardAdmin = st.shard0.getDB("admin");
var coll = mongos.getCollection("foo.bar");
assert(admin.runCommand({enableSharding: coll.getDB() + ""}).ok);
assert(admin.runCommand({shardCollection: coll + "", key: {_id: 1}}).ok);
assert(admin.runCommand({split: coll + "", middle: {_id: 0}}).ok);
jsTest.log("Insert a bunch of data into a chunk of the collection...");
var bulk = coll.initializeUnorderedBulkOp();
for (var i = 0; i < (250 * 1000) + 10; i++) {
bulk.insert({_id: i});
}
assert.commandWorked(bulk.execute());
jsTest.log("Insert a bunch of data into the rest of the collection...");
bulk = coll.initializeUnorderedBulkOp();
for (var i = 1; i <= (250 * 1000); i++) {
bulk.insert({_id: -i});
}
assert.commandWorked(bulk.execute());
jsTest.log("Get split points of the chunk using force : true...");
var maxChunkSizeBytes = 1024 * 1024;
var splitKeys = shardAdmin
.runCommand({
splitVector: coll + "",
keyPattern: {_id: 1},
min: {_id: 0},
max: {_id: MaxKey},
force: true
})
.splitKeys;
printjson(splitKeys);
printjson(coll.stats());
st.printShardingStatus();
jsTest.log("Make sure our split is approximately in half...");
assert.eq(splitKeys.length, 1);
var splitKey = splitKeys[0]._id;
assert.gt(splitKey, ((250 * 1000) / 2) - 50);
assert.lt(splitKey, ((250 * 1000) / 2) + 50);
st.stop();
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