Add checkfds utility script

tools/checkfds.sh

@@ -0,0 +1,37 @@
+#!/bin/sh
+
+# Sorry, you must currently manually edit the regexp to make this work
+# on your machine.
+
+master_pid=$(ps xa | grep windshaft | grep -v local | grep -v grep | awk '{print $1}')
+
+# TODO: use pid files
+worker_pids=$(ps xa | grep windshaft | grep local | awk '{print $1}' |
+  python -c "import sys; print ','.join((x.strip() for x in  sys.stdin.readlines()))")
+
+if test -z "${worker_pids}"; then
+  echo "No workers found"
+  exit 1
+fi
+
+echo "Master: $master_pid"
+echo "Workers: $worker_pids"
+
+# TODO: use lsof only once, then grep in the report
+for pid in $(echo $worker_pids | tr ',' ' '); do
+        echo -n "worker $pid postgres: "
+        lsof -p $pid | grep ':6432 .EST' | wc -l;
+
+        echo -n "worker $pid redis: "
+        lsof -p $pid | grep ':6379 .EST' | wc -l;
+
+        echo -n "worker $pid incoming http: "
+        lsof -p $pid | grep ':8181' | wc -l;
+
+        echo -n "worker $pid total: "
+        lsof -p $pid | wc -l;
+done
+
+
+echo -n "master $master_pid total: "
+lsof -p $master_pid | grep node | wc -l;