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//
// Tests cleanup of orphaned data in hashed sharded coll via the orphaned data cleanup command
//
(function() {
"use strict";
var st = new ShardingTest({shards: 2, mongos: 1});
var mongos = st.s0;
var admin = mongos.getDB("admin");
var coll = mongos.getCollection("foo.bar");
assert.commandWorked(admin.runCommand({enableSharding: coll.getDB() + ""}));
printjson(admin.runCommand({movePrimary: coll.getDB() + "", to: st.shard0.shardName}));
assert.commandWorked(admin.runCommand({shardCollection: coll + "", key: {_id: "hashed"}}));
// Create two orphaned data holes, one bounded by min or max on each shard
assert.commandWorked(admin.runCommand({split: coll + "", middle: {_id: NumberLong(-100)}}));
assert.commandWorked(admin.runCommand({split: coll + "", middle: {_id: NumberLong(-50)}}));
assert.commandWorked(admin.runCommand({split: coll + "", middle: {_id: NumberLong(50)}}));
assert.commandWorked(admin.runCommand({split: coll + "", middle: {_id: NumberLong(100)}}));
assert.commandWorked(admin.runCommand({
moveChunk: coll + "",
bounds: [{_id: NumberLong(-100)}, {_id: NumberLong(-50)}],
to: st.shard1.shardName,
_waitForDelete: true
}));
assert.commandWorked(admin.runCommand({
moveChunk: coll + "",
bounds: [{_id: NumberLong(50)}, {_id: NumberLong(100)}],
to: st.shard0.shardName,
_waitForDelete: true
}));
st.printShardingStatus();
jsTest.log("Inserting some docs on each shard, so 1/2 will be orphaned...");
for (var s = 0; s < 2; s++) {
var shardColl = (s == 0 ? st.shard0 : st.shard1).getCollection(coll + "");
var bulk = shardColl.initializeUnorderedBulkOp();
for (var i = 0; i < 100; i++)
bulk.insert({_id: i});
assert.writeOK(bulk.execute());
}
assert.eq(200,
st.shard0.getCollection(coll + "").find().itcount() +
st.shard1.getCollection(coll + "").find().itcount());
assert.eq(100, coll.find().itcount());
jsTest.log("Cleaning up orphaned data in hashed coll...");
for (var s = 0; s < 2; s++) {
var shardAdmin = (s == 0 ? st.shard0 : st.shard1).getDB("admin");
var result = shardAdmin.runCommand({cleanupOrphaned: coll + ""});
while (result.ok && result.stoppedAtKey) {
printjson(result);
result = shardAdmin.runCommand(
{cleanupOrphaned: coll + "", startingFromKey: result.stoppedAtKey});
}
printjson(result);
assert(result.ok);
}
assert.eq(100,
st.shard0.getCollection(coll + "").find().itcount() +
st.shard1.getCollection(coll + "").find().itcount());
assert.eq(100, coll.find().itcount());
jsTest.log("DONE!");
st.stop();
})();
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