diff --git a/.bumpversion.cfg b/.bumpversion.cfg
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,6 +1,5 @@
 [bumpversion]
-current_version = 4.23.2
+current_version = 4.24.0
 message = release: Bump version {current_version} to {new_version}
 
 [bumpversion:file:vcsserver/VERSION]
-
diff --git a/.release.cfg b/.release.cfg
--- a/.release.cfg
+++ b/.release.cfg
@@ -5,12 +5,10 @@ done = false
 done = true
 
 [task:fixes_on_stable]
-done = true
 
 [task:pip2nix_generated]
-done = true
 
 [release]
-state = prepared
-version = 4.23.2
+state = in_progress
+version = 4.24.0
 
diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -1,28 +1,45 @@
-
-.PHONY: clean test test-clean test-only generate-pkgs pip-packages
+.DEFAULT_GOAL := help
 
 # set by: PATH_TO_OUTDATED_PACKAGES=/some/path/outdated_packages.py
 OUTDATED_PACKAGES = ${PATH_TO_OUTDATED_PACKAGES}
 
-clean:
+.PHONY: clean
+clean: ## full clean
 	make test-clean
 	find . -type f \( -iname '*.c' -o -iname '*.pyc' -o -iname '*.so' -o -iname '*.orig' \) -exec rm '{}' ';'
 
-test:
+
+.PHONY: test
+test: ## run test-clean and tests
 	make test-clean
 	make test-only
 
-test-clean:
+
+.PHONY:test-clean
+test-clean:  ## run test-clean and tests
 	rm -rf coverage.xml htmlcov junit.xml pylint.log result
 	find . -type d -name "__pycache__" -prune -exec rm -rf '{}' ';'
+	find . -type f \( -iname '.coverage.*' \) -exec rm '{}' ';'
 
-test-only:
+
+.PHONY: test-only
+test-only: ## run tests
 	PYTHONHASHSEED=random \
 	py.test -x -vv -r xw -p no:sugar \
-	--cov=vcsserver --cov-report=term-missing --cov-report=html vcsserver
+	--cov=vcsserver --cov-report=term-missing --cov-report=html \
+	vcsserver
 
-generate-pkgs:
+
+.PHONY: generate-pkgs
+generate-pkgs: ## generate new python packages
 	nix-shell pkgs/shell-generate.nix --command "pip2nix generate --licenses"
 
-pip-packages:
+
+.PHONY: pip-packages
+pip-packages: ## show outdated packages
 	python ${OUTDATED_PACKAGES}
+
+
+.PHONY: help
+help:
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-24s\033[0m %s\n", $$1, $$2}'
diff --git a/pkgs/python-packages.nix b/pkgs/python-packages.nix
--- a/pkgs/python-packages.nix
+++ b/pkgs/python-packages.nix
@@ -762,11 +762,11 @@ self: super: {
     };
   };
   "redis" = super.buildPythonPackage {
-    name = "redis-3.4.1";
+    name = "redis-3.5.3";
     doCheck = false;
     src = fetchurl {
-      url = "https://files.pythonhosted.org/packages/ef/2e/2c0f59891db7db087a7eeaa79bc7c7f2c039e71a2b5b0a41391e9d462926/redis-3.4.1.tar.gz";
-      sha256 = "07yaj0j9fs7xdkg5bg926fa990khyigjbp31si8ai20vj8sv7kqd";
+      url = "https://files.pythonhosted.org/packages/b3/17/1e567ff78c83854e16b98694411fe6e08c3426af866ad11397cddceb80d3/redis-3.5.3.tar.gz";
+      sha256 = "0e7e0cfca8660dea8b7d5cd8c4f6c5e29e11f31158c0b0ae91a397f00e5a05a2";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
@@ -784,7 +784,7 @@ self: super: {
     };
   };
   "rhodecode-vcsserver" = super.buildPythonPackage {
-    name = "rhodecode-vcsserver-4.23.2";
+    name = "rhodecode-vcsserver-4.24.0";
     buildInputs = [
       self."pytest"
       self."py"
diff --git a/requirements.txt b/requirements.txt
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ pyramid-mako==1.1.0
 pygit2==0.28.2
 
 repoze.lru==0.7
-redis==3.4.1
+redis==3.5.3
 simplejson==3.16.0
 subprocess32==3.5.4
 subvertpy==0.10.1
diff --git a/vcsserver/VERSION b/vcsserver/VERSION
--- a/vcsserver/VERSION
+++ b/vcsserver/VERSION
@@ -1,1 +1,1 @@
-4.23.2
\ No newline at end of file
+4.24.0
\ No newline at end of file
diff --git a/vcsserver/http_main.py b/vcsserver/http_main.py
--- a/vcsserver/http_main.py
+++ b/vcsserver/http_main.py
@@ -25,6 +25,7 @@ import wsgiref.util
 import traceback
 import tempfile
 import resource
+import psutil
 from itertools import chain
 from cStringIO import StringIO
 
@@ -117,14 +118,21 @@ def _string_setting(settings, name, defa
     return settings[name]
 
 
+def log_max_fd():
+    try:
+        maxfd = psutil.Process().rlimit(psutil.RLIMIT_NOFILE)[1]
+        log.info('Max file descriptors value: %s', maxfd)
+    except Exception:
+        pass
+
+
 class VCS(object):
     def __init__(self, locale_conf=None, cache_config=None):
         self.locale = locale_conf
         self.cache_config = cache_config
         self._configure_locale()
 
-        maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
-        log.info('Max file descriptors value: %s', maxfd)
+        log_max_fd()
 
         if GitFactory and GitRemote:
             git_factory = GitFactory()
diff --git a/vcsserver/svn.py b/vcsserver/svn.py
--- a/vcsserver/svn.py
+++ b/vcsserver/svn.py
@@ -498,15 +498,15 @@ class SvnRemote(RemoteBase):
 
             return ''.join(p), ''.join(p.error)
         except (EnvironmentError, OSError) as err:
-            cmd = ' '.join(cmd)  # human friendly CMD
-            tb_err = ("Couldn't run svn command (%s).\n"
-                      "Original error was:%s\n"
-                      "Call options:%s\n"
-                      % (cmd, err, _opts))
-            log.exception(tb_err)
             if safe_call:
                 return '', err
             else:
+                cmd = ' '.join(cmd)  # human friendly CMD
+                tb_err = ("Couldn't run svn command (%s).\n"
+                          "Original error was:%s\n"
+                          "Call options:%s\n"
+                          % (cmd, err, _opts))
+                log.exception(tb_err)
                 raise exceptions.VcsException()(tb_err)
 
     @reraise_safe_exceptions