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41 lines
1.8 KiB
JavaScript
41 lines
1.8 KiB
JavaScript
// This test ensures that the replWriterThreadCount server parameter:
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// 1) cannot be less than 1
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// 2) cannot be greater than 256
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// 3) is actually set to the passed in value
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// 4) cannot be altered at run time
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(function() {
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"use strict";
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// too low a count
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clearRawMongoProgramOutput();
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var mongo = MongoRunner.runMongod({setParameter: 'replWriterThreadCount=0'});
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assert.soon(function() {
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return rawMongoProgramOutput().match(
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"Invalid value for parameter replWriterThreadCount: 0 is not greater than or equal to 1");
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}, "mongod started with too low a value for replWriterThreadCount");
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// too high a count
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clearRawMongoProgramOutput();
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mongo = MongoRunner.runMongod({setParameter: 'replWriterThreadCount=257'});
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assert.soon(function() {
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return rawMongoProgramOutput().match(
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"Invalid value for parameter replWriterThreadCount: 257 is not less than or equal to 256");
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}, "mongod started with too high a value for replWriterThreadCount");
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// proper count
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clearRawMongoProgramOutput();
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mongo = MongoRunner.runMongod({setParameter: 'replWriterThreadCount=24'});
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assert.neq(null, mongo, "mongod failed to start with a suitable replWriterThreadCount value");
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assert(!rawMongoProgramOutput().match("Invalid value for parameter replWriterThreadCount"),
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"despite accepting the replWriterThreadCount value, mongod logged an error");
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// getParameter to confirm the value was set
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var result = mongo.getDB("admin").runCommand({getParameter: 1, replWriterThreadCount: 1});
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assert.eq(24, result.replWriterThreadCount, "replWriterThreadCount was not set internally");
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// setParameter to ensure it is not possible
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assert.commandFailed(mongo.getDB("admin").runCommand({setParameter: 1, replWriterThreadCount: 1}));
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MongoRunner.stopMongod(mongo);
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}());
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