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- import java.util.concurrent.ConcurrentHashMap
- def a = new ConcurrentHashMap();
- for (int i = 0; i < 1000000; i++) {
- a.put(UUID.randomUUID().toString(), UUID.randomUUID().toString())
- }
- println ((Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()) / (1024 * 1024))
- def t = new Thread(new Runnable() {
- @Override
- void run() {
- def rs = a.keySet().collect{
- def s = System.currentTimeMillis()
- a.get(it)
- def e = System.currentTimeMillis()
- e - s
- }
- println "finish ${rs.size()}"
- println "${rs.min()} - ${rs.max()} - ${rs.sort().get((int)Math.floor(rs.size() / 99))}"
- }
- })
- t.start()
- for (int i = 0; i < 10000; i++) {
- print "-"
- a.put(UUID.randomUUID().toString(), UUID.randomUUID().toString())
- }
- println ((Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()) / (1024 * 1024))
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