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Code Issues Releases Activity

SERVER-36893 Change autosplit_heuristics.js to wait for chunk splitting after each insert

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This commit is contained in:
Matthew Saltz 2018-08-27 15:56:29 -04:00
parent ce0602665a
commit 3ef3a0de87
1 changed files with 6 additions and 7 deletions
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13
jstests/sharding/autosplit_heuristics.js
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@ -42,8 +42,8 @@
jsTest.log("Setup collection...");
st.printShardingStatus(true);
var approxSize = Object.bsonsize({_id: 0.0});
var pad = (new Array(1024)).join(' ');
var approxSize = Object.bsonsize({_id: 0.0, pad: pad});
jsTest.log("Starting inserts of approx size: " + approxSize + "...");
@ -65,19 +65,18 @@
});
// Insert enough docs to trigger splits into all chunks
var bulk = coll.initializeUnorderedBulkOp();
for (var i = 0; i < totalInserts; i++) {
bulk.insert({_id: i % numChunks + (i / totalInserts)});
assert.writeOK(coll.insert({_id: i % numChunks + (i / totalInserts), pad: pad}));
// Splitting is asynchronous so we should wait after each insert
// for autosplitting to happen
waitForOngoingChunkSplits(st);
}
assert.writeOK(bulk.execute());
jsTest.log("Inserts completed...");
st.printShardingStatus(true);
printjson(coll.stats());
waitForOngoingChunkSplits(st);
// Check that all chunks (except the two extreme chunks)
// have been split at least once + 1 extra chunk as reload buffer
assert.gte(config.chunks.count({"ns": "foo.hashBar"}), numChunks * 2 + 3);