/**
* 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();
}