ZacAttack

function findThingsInAHashMap(map, things, entryComparator, keyTransformer, entryCallback) {
    var results = {};
    var mapAsArray = toArray(map.table)
    for(i = 0; i < mapAsArray.length; i++) {
        var e = mapAsArray[i];
        while (e != null) {
            if(e.key != null && entryComparator(e, things)) {
                var tempResult = entryCallback(e.key, e.value); // NOTE some hashmap implementations use e.val vs. value, so check first!
                if (tempResult != null) {
                    results[keyTransformer(e.key)] = tempResult;

ZacAttack

function getProducerStats(topic) {
    var kafkaProducers = heap.objects('org.apache.kafka.clients.producer.KafkaProducer', false);
    while(kafkaProducers.hasMoreElements()) {
        var next = kafkaProducers.nextElement();
        if (next.clientId.toString().contains(topic)) {
           return printProducerStats(next.metrics.metrics);
        }
    }
}
function printKafkaMetric(value) {

ZacAttack

------------- Summary -------------
Total Free Chunked Memory:4365301296
Total Chunked Avbl Memory:17963147264
Total Memory Utilization:76%

ZacAttack

MALLOC_CONF="dirty_decay_ms:0" LD_PRELOAD=/usr/local/lib/libjemalloc.so ./memory-demo

ZacAttack

#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
 
 
// Define constants to make sure strings are not allocated at the top of the heap
#define HIT_ENTER  "Press Enter to continue...\n"
#define ALLOCATED  "500k 5KB chunks were just provisioned\n"
#define FREED      "The first allocations were just free()'d.\n"