05ee839a82
Resharding test fixture sets the value for resharding critical section timeout server parameter to 24 hours. resharding_large_number_of_initial_chunks.js does not use resharding test fixture and so uses the default value of 5 seconds. This can cause spurious failures during periods of time where the test hosts are being particularly slow. Therefore, the timeout has been increased to 24 hours.
70 lines
2.0 KiB
JavaScript
70 lines
2.0 KiB
JavaScript
/**
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* Tests that resharding can complete successfully when the original collection has a large number
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* of chunks.
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*
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* @tags: [
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* uses_atclustertime,
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* resource_intensive,
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* exclude_from_large_txns
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* ]
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*/
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(function() {
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"use strict";
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load("jstests/sharding/libs/find_chunks_util.js");
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const st = new ShardingTest({
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mongos: 1,
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shards: 2,
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config: 1,
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other: {
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configOptions: {
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setParameter:
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{reshardingCriticalSectionTimeoutMillis: 24 * 60 * 60 * 1000 /* 1 day */}
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}
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}
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});
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const kDbName = 'db';
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const collName = 'foo';
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const ns = kDbName + '.' + collName;
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const mongos = st.s;
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assert.commandWorked(mongos.adminCommand({enableSharding: kDbName}));
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assert.commandWorked(mongos.adminCommand({shardCollection: ns, key: {oldKey: 1}}));
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let nZones = 10000;
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let zones = [];
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let shard0Zones = [];
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let shard1Zones = [];
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for (let i = 0; i < nZones; i++) {
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let zoneName = "zone" + i;
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zones.push({zone: zoneName, min: {"newKey": i}, max: {"newKey": i + 1}});
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if (i % 2 == 0) {
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shard0Zones.push(zoneName);
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} else {
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shard1Zones.push(zoneName);
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}
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}
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jsTestLog("Updating First Zone");
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assert.commandWorked(
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mongos.getDB("config").shards.update({_id: st.shard0.shardName}, {$set: {tags: shard0Zones}}));
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jsTestLog("Updating First Zone");
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assert.commandWorked(
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mongos.getDB("config").shards.update({_id: st.shard1.shardName}, {$set: {tags: shard1Zones}}));
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jsTestLog("Resharding Collection");
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assert.commandWorked(mongos.adminCommand({reshardCollection: ns, key: {newKey: 1}, zones: zones}));
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// Assert that the correct number of zones and chunks documents exist after resharding 'db.foo'.
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// There should be two more chunks docs than zones docs created to cover the ranges
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// {newKey: minKey -> newKey : 0} and {newKey: nZones -> newKey : maxKey} which are not associated
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// with a zone.
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assert.eq(mongos.getDB("config").tags.find({ns: ns}).itcount(), nZones);
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assert.eq(findChunksUtil.countChunksForNs(mongos.getDB("config"), ns), nZones + 2);
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st.stop();
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})();
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