diff --git a/src/Coordination/KeeperServer.cpp b/src/Coordination/KeeperServer.cpp
index 736a01443ce..09a1132e96d 100644
--- a/src/Coordination/KeeperServer.cpp
+++ b/src/Coordination/KeeperServer.cpp
@@ -7,11 +7,12 @@
 #include <mutex>
 #include <string>
 #include <Coordination/KeeperLogStore.h>
+#include <Coordination/KeeperSnapshotManagerS3.h>
 #include <Coordination/KeeperStateMachine.h>
 #include <Coordination/KeeperStateManager.h>
-#include <Coordination/KeeperSnapshotManagerS3.h>
 #include <Coordination/LoggerWrapper.h>
 #include <Coordination/WriteBufferFromNuraftBuffer.h>
+#include <Disks/DiskLocal.h>
 #include <IO/ReadHelpers.h>
 #include <IO/WriteHelpers.h>
 #include <boost/algorithm/string.hpp>
@@ -27,7 +28,7 @@
 #include <Common/LockMemoryExceptionInThread.h>
 #include <Common/Stopwatch.h>
 #include <Common/getMultipleKeysFromConfig.h>
-#include <Disks/DiskLocal.h>
+#include <Common/getNumberOfPhysicalCPUCores.h>
 
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
 #include <fmt/chrono.h>
@@ -365,6 +366,8 @@ void KeeperServer::launchRaftServer(const Poco::Util::AbstractConfiguration & co
         LockMemoryExceptionInThread::removeUniqueLock();
     };
 
+    asio_opts.thread_pool_size_ = getNumberOfPhysicalCPUCores();
+
     if (state_manager->isSecure())
     {
 #if USE_SSL