Esempio n. 1
0
    /**
     * Method to get the stats about the cache.
     *
     * @return
     */
    public String getStats() {
      StringBuilder stringBuilder = new StringBuilder();
      CacheStats cacheStats = cacheResource.getCacheStats().minus(relativeCacheStats);

      stringBuilder.append(
          String.format("Total succesful loaded values: %d %n", cacheStats.loadSuccessCount()));
      stringBuilder.append(String.format("Total requests: %d %n", cacheStats.requestCount()));
      stringBuilder.append(
          String.format(
              "Hits ratio: %d/%d - %.3f %n",
              cacheStats.hitCount(), cacheStats.missCount(), cacheStats.hitRate()));
      stringBuilder.append(
          String.format(
              "Average time spent loading new values (nanoseconds): %.3f %n",
              cacheStats.averageLoadPenalty()));
      stringBuilder.append(
          String.format("Number of cache evictions: %d %n", cacheStats.evictionCount()));

      return stringBuilder.toString();
    }
 private void printMemoryCaches(
     Map<String, H2CacheImpl<?, ?>> disks, Map<String, Cache<?, ?>> caches) {
   for (Map.Entry<String, Cache<?, ?>> entry : caches.entrySet()) {
     Cache<?, ?> cache = entry.getValue();
     if (cache instanceof H2CacheImpl) {
       disks.put(entry.getKey(), (H2CacheImpl<?, ?>) cache);
       continue;
     }
     CacheStats stat = cache.stats();
     stdout.print(
         String.format(
             "  %-" + nw + "s|%6s %6s %7s| %7s |%4s %4s|\n",
             entry.getKey(),
             count(cache.size()),
             "",
             "",
             duration(stat.averageLoadPenalty()),
             percent(stat.hitCount(), stat.requestCount()),
             ""));
   }
 }
  @Override
  protected void run() {
    nw = columns - 50;
    Date now = new Date();
    stdout.format(
        "%-25s %-20s      now  %16s\n",
        "Gerrit Code Review",
        Version.getVersion() != null ? Version.getVersion() : "",
        new SimpleDateFormat("HH:mm:ss   zzz").format(now));
    stdout.format("%-25s %-20s   uptime %16s\n", "", "", uptime(now.getTime() - serverStarted));
    stdout.print('\n');

    stdout.print(
        String.format( //
            "%1s %-" + nw + "s|%-21s|  %-5s |%-9s|\n" //
            ,
            "" //
            ,
            "Name" //
            ,
            "Entries" //
            ,
            "AvgGet" //
            ,
            "Hit Ratio" //
            ));
    stdout.print(
        String.format( //
            "%1s %-" + nw + "s|%6s %6s %7s|  %-5s  |%-4s %-4s|\n" //
            ,
            "" //
            ,
            "" //
            ,
            "Mem" //
            ,
            "Disk" //
            ,
            "Space" //
            ,
            "" //
            ,
            "Mem" //
            ,
            "Disk" //
            ));
    stdout.print("--");
    for (int i = 0; i < nw; i++) {
      stdout.print('-');
    }
    stdout.print("+---------------------+---------+---------+\n");

    Map<String, H2CacheImpl<?, ?>> disks = Maps.newTreeMap();
    printMemoryCaches(disks, sortedCoreCaches());
    printMemoryCaches(disks, sortedPluginCaches());
    for (Map.Entry<String, H2CacheImpl<?, ?>> entry : disks.entrySet()) {
      H2CacheImpl<?, ?> cache = entry.getValue();
      CacheStats stat = cache.stats();
      H2CacheImpl.DiskStats disk = cache.diskStats();
      stdout.print(
          String.format(
              "D %-" + nw + "s|%6s %6s %7s| %7s |%4s %4s|\n",
              entry.getKey(),
              count(cache.size()),
              count(disk.size()),
              bytes(disk.space()),
              duration(stat.averageLoadPenalty()),
              percent(stat.hitCount(), stat.requestCount()),
              percent(disk.hitCount(), disk.requestCount())));
    }
    stdout.print('\n');

    if (gc) {
      System.gc();
      System.runFinalization();
      System.gc();
    }

    sshSummary();
    taskSummary();
    memSummary();

    if (showJVM) {
      jvmSummary();
    }

    stdout.flush();
  }