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42 lines
1.4 KiB
JavaScript
42 lines
1.4 KiB
JavaScript
/**
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* Ensure serverStatus reports the total time spent sampling the oplog for all storage engines that
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* support OplogStones.
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* @tags: [ requires_wiredtiger, requires_persistence ]
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*/
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(function() {
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"use strict";
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// Force oplog sampling to occur on start up for small numbers of oplog inserts.
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const replSet = new ReplSetTest(
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{nodes: 1, nodeOptions: {setParameter: {"maxOplogTruncationPointsDuringStartup": 10}}});
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replSet.startSet();
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replSet.initiate();
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let coll = replSet.getPrimary().getDB("test").getCollection("testcoll");
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let res = replSet.getPrimary().getDB("test").serverStatus();
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assert.commandWorked(res);
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// Small (or empty) oplogs should be processed by scanning.
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assert.gt(res.oplogTruncation.totalTimeProcessingMicros, 0);
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assert.eq(res.oplogTruncation.processingMethod, "scanning");
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// Insert enough documents to force oplog sampling to occur on the following start up.
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const maxOplogDocsForScanning = 2000;
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for (let i = 0; i < maxOplogDocsForScanning + 1; i++) {
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assert.commandWorked(coll.insert({m: 1 + i}));
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}
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// Restart replica set to load entries from the oplog for sampling.
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replSet.stopSet(null /* signal */, true /* forRestart */);
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replSet.startSet({restart: true});
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res = replSet.getPrimary().getDB("test").serverStatus();
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assert.commandWorked(res);
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assert.gt(res.oplogTruncation.totalTimeProcessingMicros, 0);
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assert.eq(res.oplogTruncation.processingMethod, "sampling");
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replSet.stopSet();
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})();
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