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/**
* Basic test to demonstrate that the range deleter section in shardingStatistics is displayed
* correctly.
*/
(function() {
"use strict";
let st = new ShardingTest({shards: 2});
assert.commandWorked(
st.s.adminCommand({enableSharding: 'test', primaryShard: st.shard0.shardName}));
assert.commandWorked(st.s.adminCommand({shardCollection: 'test.foo', key: {x: 1}}));
assert.commandWorked(st.s.adminCommand({split: 'test.foo', middle: {x: 0}}));
assert.commandWorked(st.s.adminCommand({shardCollection: 'test.bar', key: {x: 1}}));
let testDB = st.s.getDB('test');
let bulk = testDB.foo.initializeUnorderedBulkOp();
for (let x = -5; x < 5; x++) {
bulk.insert({x: x});
}
assert.commandWorked(bulk.execute());
bulk = testDB.bar.initializeUnorderedBulkOp();
for (let x = 0; x < 5; x++) {
bulk.insert({x: x});
}
assert.commandWorked(bulk.execute());
// Keep the cursors open so range deleter tasks would block on these cursors.
let fooNegativeCursor = testDB.foo.find({x: {$lt: 0}}).batchSize(2);
fooNegativeCursor.next();
let fooPositiveCursor = testDB.foo.find({x: {$gte: 0}}).batchSize(2);
fooPositiveCursor.next();
let barCursor = testDB.bar.find().batchSize(2);
barCursor.next();
assert.commandWorked(
st.s.adminCommand({moveChunk: 'test.foo', find: {x: 0}, to: st.shard1.shardName}));
assert.commandWorked(
st.s.adminCommand({moveChunk: 'test.foo', find: {x: -1}, to: st.shard1.shardName}));
assert.commandWorked(
st.s.adminCommand({moveChunk: 'test.bar', find: {x: 0}, to: st.shard1.shardName}));
assert.soon(() => {
return 3 ===
st.rs0.getPrimary()
.getDB('test')
.runCommand({serverStatus: 1})
.shardingStatistics.rangeDeleterTasks;
});
// Close the cursors so the range deleter tasks can proceed and so there won't be tasks that
// can't make progress when the check orphan hooks runs.
fooNegativeCursor.close();
fooPositiveCursor.close();
barCursor.close();
st.stop();
})();
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