Revert "SERVER-23333 test for allocator fragmentation"

This reverts commit 4a6780f97e93b6b926ee1f13c3deca043d049cd9.

1 files changed, 0 insertions, 119 deletions

diff --git a/jstests/noPassthroughWithMongod/allocator_fragmentation.js b/jstests/noPassthroughWithMongod/allocator_fragmentation.js
deleted file mode 100644
index 4937b1a5f16..00000000000
--- a/jstests/noPassthroughWithMongod/allocator_fragmentation.js
+++ /dev/null
@@ -1,119 +0,0 @@
-// Tests the high-water memory fragmentation level incurred by the allocator
-// while running on WiredTiger. The maximum allowed fragmentation should be
-// limited to a percentage of the WiredTiger cache size.
-
-(function() {
-    "use strict";
-
-    var jobs = [];
-    var numUpdaterJobs = 16;
-
-    // Initialize collections
-    var dataCollection = db.getSiblingDB("malloc_frag").data;
-    var resultsCollection = db.getSiblingDB("malloc_frag").completed;
-    var statsCollection = db.getSiblingDB("malloc_frag").statistics;
-    dataCollection.drop();
-    resultsCollection.drop();
-    statsCollection.drop();
-
-    // Acceptable fragmentation is 10% of wiredTigerCacheSizeGB
-    var wiredTigerCacheSize = db.serverStatus().wiredTiger.cache["maximum bytes configured"];
-    var maxFragmentation = 0.1 * wiredTigerCacheSize;
-    var targetDocumentSize = 16.0 * 1024.0;
-    var numDocs = Math.floor(wiredTigerCacheSize / targetDocumentSize);
-
-    print("Populate collection with data");
-    var bulk = dataCollection.initializeUnorderedBulkOp();
-    for (var i = 0; i < numDocs; i++) {
-        var doc = {
-            _id: i,
-            data: "x"
-        };
-
-        bulk.insert(doc);
-    }
-    assert.writeOK(bulk.execute());
-
-    // Poll for fragmentation statistics via serverStatus
-    var pollServerStatusShell = startParallelShell(
-        function() {
-            var resultsCollection = db.getSiblingDB("malloc_frag").completed;
-            var statsCollection = db.getSiblingDB("malloc_frag").statistics;
-
-            while (resultsCollection.count() < 16) {
-                var s = db.runCommand({
-                    serverStatus: 1,
-                    tcmalloc: 1,
-                    asserts: 0,
-                    backgroundFlushing: 0,
-                    dur: 0,
-                    extra_info: 0,
-                    globalLock: 0,
-                    locks: 0,
-                    mem: 0,
-                    metrics: 0,
-                    network: 0,
-                    opcounters: 0,
-                    opcountersRepl: 0,
-                    rangeDeleter: 0,
-                    repl: 0,
-                    security: 0,
-                    storageEngine: 0,
-                    wiredTiger: 0,
-                    writeBacksQueued: 0,
-                    connections: 0
-                });
-                statsCollection.insert({
-                    localTime: s.localTime,
-                    totalFreeBytes: s.tcmalloc.tcmalloc.total_free_bytes
-                });
-                sleep(1000);
-            }
-        },
-        null,  // port -- use default
-        false  // noconnect
-        );
-    jobs.push(pollServerStatusShell);
-
-    // Slowly perform growing updates on documents
-    for (var i = 0; i < numUpdaterJobs; i++) {
-        jobs.push(startParallelShell(
-            function() {
-                Random.setRandomSeed();
-
-                var wtCacheSize = db.serverStatus().wiredTiger.cache["maximum bytes configured"];
-                var targetDocumentSize = 16.0 * 1024.0;
-                var numDocs = Math.floor(wtCacheSize / targetDocumentSize);
-                var dataCollection = db.getSiblingDB("malloc_frag").data;
-                var resultsCollection = db.getSiblingDB("malloc_frag").completed;
-
-                for (var i = 0; i < 20000; i++) {
-                    var data = "x".repeat(Random.randInt(200));
-                    var id = Random.randInt(numDocs);
-                    dataCollection.update({_id: id}, {data: data});
-                }
-                resultsCollection.insert({complete: 1});
-            },
-            null,  // port -- use default
-            false  // noconnect
-            ));
-    }
-
-    jobs.forEach(function(join) {
-        join();
-    });
-
-    // What was the highest level of fragmentation seen during the test?
-    var result =
-        statsCollection.aggregate([{"$sort": {"totalFreeBytes": 1}}, {"$limit": 1}]).toArray();
-    var actualFragmentation = result[0]["totalFreeBytes"];
-
-    // Clean up now, in case the assertion fails
-    db.getSiblingDB("malloc_frag").dropDatabase();
-
-    print("WiredTiger cache size:          " + wiredTigerCacheSize + " bytes");
-    print("Highest observed fragmentation: " + actualFragmentation + " bytes");
-    assert(actualFragmentation < maxFragmentation,
-           "Memory fragmentation of " + actualFragmentation + " bytes exceeded maximum allowable " +
-               "fragmentation of " + maxFragmentation + " bytes");
-}());