52 lines
1.2 KiB
JavaScript
52 lines
1.2 KiB
JavaScript
// Tests that an empty shard can't be the cause of a chunk reset
|
|
|
|
import {ShardingTest} from "jstests/libs/shardingtest.js";
|
|
|
|
let st = new ShardingTest({shards: 2, mongos: 2});
|
|
|
|
let coll = st.s.getCollection(jsTestName() + ".coll");
|
|
|
|
for (let i = -10; i < 10; i++) coll.insert({_id: i});
|
|
|
|
st.shardColl(coll, {_id: 1}, {_id: 0}, {_id: 0}, null, /* waitForDelete */ true);
|
|
|
|
jsTestLog("Sharded setup complete");
|
|
|
|
st.printShardingStatus();
|
|
|
|
jsTestLog("Setting initial versions for each mongos...");
|
|
|
|
coll.find().itcount();
|
|
|
|
let collB = st.s1.getCollection("" + coll);
|
|
collB.find().itcount();
|
|
|
|
jsTestLog("Migrating via first mongos...");
|
|
|
|
let fullShard = st.getShard(coll, {_id: 1});
|
|
let emptyShard = st.getShard(coll, {_id: -1});
|
|
|
|
assert.commandWorked(
|
|
st.s0.adminCommand({moveChunk: "" + coll, find: {_id: -1}, to: fullShard.shardName, _waitForDelete: true}),
|
|
);
|
|
|
|
jsTestLog("Resetting shard version via first mongos...");
|
|
|
|
coll.find().itcount();
|
|
|
|
jsTestLog("Making sure we don't insert into the wrong shard...");
|
|
|
|
collB.insert({_id: -11});
|
|
|
|
let emptyColl = emptyShard.getCollection("" + coll);
|
|
|
|
print(emptyColl);
|
|
print(emptyShard);
|
|
print(emptyShard.shardName);
|
|
st.printShardingStatus();
|
|
|
|
assert.eq(0, emptyColl.find().itcount());
|
|
|
|
jsTestLog("DONE!");
|
|
st.stop();
|