Improve performance of cache filling

James Moger

2013-06-24 3c4ce1d366641158927cee8b4e47191ed681b524

 src/main/java/com/gitblit/GitBlit.java

@@ -102,6 +102,7 @@
import com.gitblit.models.GitClientApplication;
import com.gitblit.models.Metric;
import com.gitblit.models.ProjectModel;
import com.gitblit.models.RefModel;
import com.gitblit.models.RegistrantAccessPermission;
import com.gitblit.models.RepositoryModel;
import com.gitblit.models.RepositoryUrl;
@@ -3402,8 +3403,7 @@
      configureJGit();
      configureFanout();
      configureGitDaemon();
		
      CommitCache.instance().setCacheDays(settings.getInteger(Keys.web.activityCacheDays, 14));
      configureCommitCache();
      
      ContainerUtils.CVE_2007_0450.test();
   }
@@ -3514,6 +3514,42 @@
      }
   }
   
   protected void configureCommitCache() {
      int daysToCache = settings.getInteger(Keys.web.activityCacheDays, 14);
      if (daysToCache <= 0) {
         logger.info("commit cache disabled");
      } else {
         long start = System.nanoTime();
         long repoCount = 0;
         long commitCount = 0;
         logger.info(MessageFormat.format("preparing {0} day commit cache. please wait...", daysToCache));
         CommitCache.instance().setCacheDays(daysToCache);
         Date cutoff = CommitCache.instance().getCutoffDate();
         for (String repositoryName : getRepositoryList()) {
            RepositoryModel model = getRepositoryModel(repositoryName);
            if (model.hasCommits && model.lastChange.after(cutoff)) {
               repoCount++;
               Repository repository = getRepository(repositoryName);
               for (RefModel ref : JGitUtils.getLocalBranches(repository, true, -1)) {
                  if (!ref.getDate().after(cutoff)) {
                     // branch not recently updated
                     continue;
                  }
                  List<?> commits = CommitCache.instance().getCommits(repositoryName, repository, ref.getName());
                  if (commits.size() > 0) {
                     logger.info(MessageFormat.format("  cached {0} commits for {1}:{2}",
                           commits.size(), repositoryName, ref.getName()));
                     commitCount += commits.size();
                  }
               }
               repository.close();
            }
         }
         logger.info(MessageFormat.format("built {0} day commit cache of {1} commits across {2} repositories in {3} msecs",
               daysToCache, commitCount, repoCount, TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - start)));
      }
   }
	
   protected final Logger getLogger() {
      return logger;
   }