Added README

Author: kmoppel

README.md

@@ -0,0 +1,32 @@
+# pg\_crash
+
+A Postgres extension to send kill (or other) signal after some interval. Useful for testing HA failover scenarios.
+
+# Installation
+
+* Build the extension
+
+```
+PG_CONFIG=/usr/local/pgsql/bin/pg_config make
+sudo PG_CONFIG=/usr/local/pgsql/bin/pg_config make install
+```
+NB! Replace /usr/local/pgsql/bin with your wished binary
+
+* Edit server config
+
+Add 'pg\_crash to shared\_preload\_libraries and configure signals and timeouts
+
+
+```
+shared_preload_libraries = ',pg_crash'
+# any POSIX signals you want to emit from the background worker
+crash.signals = '1 2 3'
+# set delay (in seconds) between sending signals
+crash.delay = 30
+```
+
+* restart the server 
+
+
+## Have fun troubleshooting!
+