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
42
43
44
45
46
47
48
49
|
/**
* Tests that write operations on the collection being resharded succeed even when the routing
* information for the associated temporary resharding collection is stale.
*/
(function() {
"use strict";
load("jstests/libs/discover_topology.js");
load("jstests/libs/fail_point_util.js");
load("jstests/sharding/libs/resharding_test_fixture.js");
const reshardingTest = new ReshardingTest({reshardInPlace: false});
reshardingTest.setup();
const donorShardNames = reshardingTest.donorShardNames;
const recipientShardNames = reshardingTest.recipientShardNames;
const sourceCollection = reshardingTest.createShardedCollection({
ns: "reshardingDb.coll",
shardKeyPattern: {oldKey: 1},
chunks: [{min: {oldKey: MinKey}, max: {oldKey: MaxKey}, shard: donorShardNames[0]}],
primaryShardName: recipientShardNames[0],
});
const mongos = sourceCollection.getMongo();
const topology = DiscoverTopology.findConnectedNodes(mongos);
const donor = new Mongo(topology.shards[donorShardNames[0]].primary);
const reshardingPauseDonorBeforeCatalogCacheRefreshFailpoint =
configureFailPoint(donor, "reshardingPauseDonorBeforeCatalogCacheRefresh");
// We trigger a refresh to make the catalog cache track the routing info for the temporary
// resharding namespace as unsharded because the collection won't exist yet.
assert.commandWorked(donor.adminCommand({_flushRoutingTableCacheUpdates: reshardingTest.tempNs}));
reshardingTest.withReshardingInBackground( //
{
newShardKeyPattern: {newKey: 1},
newChunks: [{min: {newKey: MinKey}, max: {newKey: MaxKey}, shard: recipientShardNames[0]}],
},
() => {
reshardingPauseDonorBeforeCatalogCacheRefreshFailpoint.wait();
assert.commandWorked(sourceCollection.insert({_id: 0, oldKey: 5, newKey: 15}));
reshardingPauseDonorBeforeCatalogCacheRefreshFailpoint.off();
});
reshardingTest.teardown();
})();
|
