1 files changed, 53 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/config/ThreadSettingsConfig.java b/java/com/google/gerrit/server/config/ThreadSettingsConfig.java
new file mode 100644
index 0000000000..6cb32cc0e5
--- /dev/null
+++ b/java/com/google/gerrit/server/config/ThreadSettingsConfig.java
@@ -0,0 +1,53 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.server.config;
+
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import org.eclipse.jgit.lib.Config;
+
+@Singleton
+public class ThreadSettingsConfig {
+  private final int sshdThreads;
+  private final int httpdMaxThreads;
+  private final int sshdBatchThreads;
+  private final int databasePoolLimit;
+
+  @Inject
+  ThreadSettingsConfig(@GerritServerConfig Config cfg) {
+    int cores = Runtime.getRuntime().availableProcessors();
+    sshdThreads = cfg.getInt("sshd", "threads", 2 * cores);
+    httpdMaxThreads = cfg.getInt("httpd", "maxThreads", 25);
+    int defaultDatabasePoolLimit = sshdThreads + httpdMaxThreads + 2;
+    databasePoolLimit = cfg.getInt("database", "poolLimit", defaultDatabasePoolLimit);
+    sshdBatchThreads = cores == 1 ? 1 : 2;
+  }
+
+  public int getDatabasePoolLimit() {
+    return databasePoolLimit;
+  }
+
+  public int getHttpdMaxThreads() {
+    return httpdMaxThreads;
+  }
+
+  public int getSshdThreads() {
+    return sshdThreads;
+  }
+
+  public int getSshdBatchTreads() {
+    return sshdBatchThreads;
+  }
+}