diff --git a/.gitmodules b/.gitmodules
index b36e030364e..233c2df55c9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
+[submodule "contrib/poco"]
+	path = contrib/poco
+	url = https://github.com/ClickHouse-Extras/poco
 [submodule "contrib/zstd"]
 	path = contrib/zstd
 	url = https://github.com/facebook/zstd.git
diff --git a/cmake/find_boost.cmake b/cmake/find_boost.cmake
index 72693bafe8e..603b8d51d2f 100644
--- a/cmake/find_boost.cmake
+++ b/cmake/find_boost.cmake
@@ -19,7 +19,6 @@ if (NOT USE_INTERNAL_BOOST_LIBRARY)
 endif ()
 
 if (NOT Boost_SYSTEM_LIBRARY)
-    add_definitions(-DBOOST_SYSTEM_NO_DEPRECATED)
     set (USE_INTERNAL_BOOST_LIBRARY 1)
     set (Boost_PROGRAM_OPTIONS_LIBRARY boost_program_options_internal)
     set (Boost_SYSTEM_LIBRARY boost_system_internal)
diff --git a/cmake/find_poco.cmake b/cmake/find_poco.cmake
index cd14b68fa4a..6d3c8dee94b 100644
--- a/cmake/find_poco.cmake
+++ b/cmake/find_poco.cmake
@@ -5,42 +5,55 @@ if (NOT USE_INTERNAL_POCO_LIBRARY)
 endif ()
 
 if (Poco_INCLUDE_DIRS AND Poco_Foundation_LIBRARY)
-    include_directories (${Poco_INCLUDE_DIRS})
+    #include_directories (${Poco_INCLUDE_DIRS})
 else ()
 
     set (USE_INTERNAL_POCO_LIBRARY 1)
 
-    include (${ClickHouse_SOURCE_DIR}/cmake/find_ltdl.cmake)
-    include (${ClickHouse_SOURCE_DIR}/contrib/libpoco/cmake/FindODBC.cmake)
+    set (ENABLE_ZIP 0 CACHE BOOL "")
+    set (ENABLE_PAGECOMPILER 0 CACHE BOOL "")
+    set (ENABLE_PAGECOMPILER_FILE2PAGE 0 CACHE BOOL "")
+    set (ENABLE_REDIS 0 CACHE BOOL "")
+    set (ENABLE_DATA_SQLITE 0 CACHE BOOL "")
+    set (ENABLE_DATA_MYSQL 0 CACHE BOOL "")
+    set (ENABLE_DATA_POSTGRESQL 0 CACHE BOOL "")
+    set (POCO_UNBUNDLED 1 CACHE BOOL "")
+    set (POCO_UNBUNDLED_PCRE 0 CACHE BOOL "")
+    set (POCO_UNBUNDLED_EXPAT 0 CACHE BOOL "")
+    set (POCO_STATIC ${MAKE_STATIC_LIBRARIES} CACHE BOOL "")
+    set (POCO_VERBOSE_MESSAGES 1 CACHE BOOL "")
 
+    include (${ClickHouse_SOURCE_DIR}/cmake/find_ltdl.cmake)
+    include (${ClickHouse_SOURCE_DIR}/contrib/poco/cmake/FindODBC.cmake)
+
+    # used in internal compiler
     list (APPEND Poco_INCLUDE_DIRS
-        "${ClickHouse_SOURCE_DIR}/contrib/libpoco/Foundation/include/"
-        "${ClickHouse_SOURCE_DIR}/contrib/libpoco/Util/include/"
-        "${ClickHouse_SOURCE_DIR}/contrib/libpoco/Net/include/"
-        "${ClickHouse_SOURCE_DIR}/contrib/libpoco/Data/include/"
-        "${ClickHouse_SOURCE_DIR}/contrib/libpoco/XML/include/"
+        "${ClickHouse_SOURCE_DIR}/contrib/poco/Foundation/include/"
+        "${ClickHouse_SOURCE_DIR}/contrib/poco/Util/include/"
     )
 
     if (NOT DEFINED POCO_ENABLE_MONGODB OR POCO_ENABLE_MONGODB)
         set (Poco_MongoDB_FOUND 1)
         set (Poco_MongoDB_LIBRARY PocoMongoDB)
-        list (APPEND Poco_INCLUDE_DIRS "${ClickHouse_SOURCE_DIR}/contrib/libpoco/MongoDB/include/")
+        set (Poco_MongoDB_INCLUDE_DIRS "${ClickHouse_SOURCE_DIR}/contrib/poco/MongoDB/include/")
     endif ()
 
     if (ODBC_FOUND)
         set (Poco_DataODBC_FOUND 1)
         set (Poco_DataODBC_LIBRARY PocoDataODBC)
-        list (APPEND Poco_DataODBC_LIBRARY ${LTDL_LIB})
-        list (APPEND Poco_INCLUDE_DIRS "${ClickHouse_SOURCE_DIR}/contrib/libpoco/Data/ODBC/include/")
+        if (USE_STATIC_LIBRARIES)
+            list (APPEND Poco_DataODBC_LIBRARY ${LTDL_LIB})
+        endif ()
+        set (Poco_DataODBC_INCLUDE_DIRS "${ClickHouse_SOURCE_DIR}/contrib/poco/Data/ODBC/include/")
     endif ()
 
     if (OPENSSL_FOUND)
         set (Poco_NetSSL_FOUND 1)
         set (Poco_NetSSL_LIBRARY PocoNetSSL)
         set (Poco_Crypto_LIBRARY PocoCrypto)
-        list (APPEND Poco_INCLUDE_DIRS
-            "${ClickHouse_SOURCE_DIR}/contrib/libpoco/NetSSL_OpenSSL/include/"
-            "${ClickHouse_SOURCE_DIR}/contrib/libpoco/Crypto/include/"
+        set (Poco_NetSSL_INCLUDE_DIRS 
+            "${ClickHouse_SOURCE_DIR}/contrib/poco/NetSSL_OpenSSL/include/"
+            "${ClickHouse_SOURCE_DIR}/contrib/poco/Crypto/include/"
         )
     endif ()
 
@@ -56,7 +69,23 @@ else ()
     set (Poco_Net_LIBRARY PocoNet)
     set (Poco_Data_LIBRARY PocoData)
     set (Poco_XML_LIBRARY PocoXML)
-    include_directories (BEFORE ${Poco_INCLUDE_DIRS})
+
+    #include_directories (BEFORE ${Poco_INCLUDE_DIRS})
+
 endif ()
 
 message(STATUS "Using Poco: ${Poco_INCLUDE_DIRS} : ${Poco_Foundation_LIBRARY},${Poco_Util_LIBRARY},${Poco_Net_LIBRARY},${Poco_NetSSL_LIBRARY},${Poco_XML_LIBRARY},${Poco_Data_LIBRARY},${Poco_DataODBC_LIBRARY},${Poco_MongoDB_LIBRARY}; MongoDB=${Poco_MongoDB_FOUND}, DataODBC=${Poco_DataODBC_FOUND}, NetSSL=${Poco_NetSSL_FOUND}")
+
+# How to make sutable poco:
+# use branch:
+#  develop  OR  poco-1.7.9-release + 6a49c94d18c654d7a20b8c8ea47071b1fdd4813b
+# and merge:
+# ClickHouse-Extras/clickhouse_unbundled
+# ClickHouse-Extras/clickhouse_unbundled_zlib
+# ClickHouse-Extras/clickhouse_task   # uses c++11, can't push to poco
+# ClickHouse-Extras/clickhouse_misc
+# ClickHouse-Extras/clickhouse_anl
+# ClickHouse-Extras/clickhouse_http_header https://github.com/pocoproject/poco/pull/1574
+# ClickHouse-Extras/clickhouse_socket
+# ClickHouse-Extras/clickhouse_warning
+
diff --git a/cmake/find_zlib.cmake b/cmake/find_zlib.cmake
index 66a8734b1ba..bbfc75e5e24 100644
--- a/cmake/find_zlib.cmake
+++ b/cmake/find_zlib.cmake
@@ -6,8 +6,14 @@ endif ()
 
 if (NOT ZLIB_FOUND)
     set (USE_INTERNAL_ZLIB_LIBRARY 1)
-    set (ZLIB_INCLUDE_DIR "${ClickHouse_SOURCE_DIR}/contrib/libzlib-ng")
-    set (ZLIB_LIBRARIES zlibstatic)
+    set (ZLIB_INCLUDE_DIR "${ClickHouse_SOURCE_DIR}/contrib/libzlib-ng" "${ClickHouse_BINARY_DIR}/contrib/libzlib-ng") # generated zconf.h
+    set (ZLIB_INCLUDE_DIRS ${ZLIB_INCLUDE_DIR}) # for poco
+    set (ZLIB_FOUND 1) # for poco
+    if (USE_STATIC_LIBRARIES)
+        set (ZLIB_LIBRARIES zlibstatic)
+    else ()
+        set (ZLIB_LIBRARIES zlib)
+    endif ()
 endif ()
 
 message (STATUS "Using zlib: ${ZLIB_INCLUDE_DIR} : ${ZLIB_LIBRARIES}")
diff --git a/cmake/print_include_directories.cmake b/cmake/print_include_directories.cmake
index 83b8064d262..d9a60389fc8 100644
--- a/cmake/print_include_directories.cmake
+++ b/cmake/print_include_directories.cmake
@@ -12,6 +12,10 @@ if (USE_INTERNAL_BOOST_LIBRARY)
     list(APPEND dirs ${dirs1})
 endif ()
 
+if (USE_INTERNAL_POCO_LIBRARY)
+    list(APPEND dirs "./contrib/poco/Foundation/include")
+endif ()
+
 list(REMOVE_DUPLICATES dirs)
 file (WRITE ${CMAKE_CURRENT_BINARY_DIR}/include_directories.txt "")
 foreach (dir ${dirs})
diff --git a/contrib/CMakeLists.txt b/contrib/CMakeLists.txt
index 0d5df8b94b3..c726520eee7 100644
--- a/contrib/CMakeLists.txt
+++ b/contrib/CMakeLists.txt
@@ -4,9 +4,6 @@ if (USE_INTERNAL_BOOST_LIBRARY)
     add_subdirectory (libboost)
 endif ()
 
-if (USE_INTERNAL_POCO_LIBRARY)
-    add_subdirectory (libpoco)
-endif ()
 
 if (USE_INTERNAL_LZ4_LIBRARY)
     add_subdirectory (lz4-cmake)
@@ -63,3 +60,12 @@ endif ()
 if (NOT ARCH_ARM)
     add_subdirectory (libcpuid)
 endif ()
+
+if (USE_INTERNAL_POCO_LIBRARY)
+    set (_save ${ENABLE_TESTS})
+    set (ENABLE_TESTS 0)
+    set (CMAKE_DISABLE_FIND_PACKAGE_ZLIB 1)
+    add_subdirectory (poco)
+    unset (CMAKE_DISABLE_FIND_PACKAGE_ZLIB)
+    set (ENABLE_TESTS ${_save})
+endif ()
diff --git a/contrib/libboost/CMakeLists.txt b/contrib/libboost/CMakeLists.txt
index 908ddfc1e43..8cfe084636a 100644
--- a/contrib/libboost/CMakeLists.txt
+++ b/contrib/libboost/CMakeLists.txt
@@ -30,3 +30,7 @@ boost_1_65_0/libs/system/src/error_code.cpp)
 target_include_directories (boost_program_options_internal BEFORE PUBLIC ${Boost_INCLUDE_DIRS})
 target_include_directories (boost_filesystem_internal BEFORE PUBLIC ${Boost_INCLUDE_DIRS})
 target_include_directories (boost_system_internal BEFORE PUBLIC ${Boost_INCLUDE_DIRS})
+
+target_compile_definitions (boost_program_options_internal PUBLIC BOOST_SYSTEM_NO_DEPRECATED)
+target_compile_definitions (boost_filesystem_internal PUBLIC BOOST_SYSTEM_NO_DEPRECATED)
+target_compile_definitions (boost_system_internal PUBLIC BOOST_SYSTEM_NO_DEPRECATED)
diff --git a/contrib/libtcmalloc/CMakeLists.txt b/contrib/libtcmalloc/CMakeLists.txt
index 57b7cd9c553..64c99e41c71 100644
--- a/contrib/libtcmalloc/CMakeLists.txt
+++ b/contrib/libtcmalloc/CMakeLists.txt
@@ -74,3 +74,5 @@ endif ()
 target_include_directories (tcmalloc_minimal_internal PUBLIC include)
 target_include_directories (tcmalloc_minimal_internal PRIVATE src)
 
+find_package (Threads)
+target_link_libraries (tcmalloc_minimal_internal ${CMAKE_THREAD_LIBS_INIT})
diff --git a/contrib/poco b/contrib/poco
new file mode 160000
index 00000000000..d28d05def4b
--- /dev/null
+++ b/contrib/poco
@@ -0,0 +1 @@
+Subproject commit d28d05def4b7b701b56b9edb24e2f1bea880534b
diff --git a/libs/libdaemon/src/BaseDaemon.cpp b/libs/libdaemon/src/BaseDaemon.cpp
index 9da9531a7ee..f25aa96f30f 100644
--- a/libs/libdaemon/src/BaseDaemon.cpp
+++ b/libs/libdaemon/src/BaseDaemon.cpp
@@ -812,6 +812,13 @@ void BaseDaemon::initialize(Application & self)
     /// Ставим terminate_handler
     std::set_terminate(terminate_handler);
 
+    /// We want to avoid SIGPIPE when working with sockets and pipes, and just handle return value/errno instead.
+    {
+        sigset_t sig_set;
+        if (sigemptyset(&sig_set) || sigaddset(&sig_set, SIGPIPE) || pthread_sigmask(SIG_BLOCK, &sig_set, nullptr))
+            throw Poco::Exception("Cannot block signal.");
+    }
+
     /// Ставим обработчики сигналов
     auto add_signal_handler =
         [](const std::vector<int> & signals, signal_function handler)