[installation] Init with inital config for global

etc/defaults/fdsnws.cfg

@@ -0,0 +1,17 @@
+# Defines a list of modules loaded at startup.
+plugins = ${plugins}, fdsnxml
+
+# SeisComP applications access waveform data through the RecordStream
+# interface. Please consult the SeisComP documentation for a list of supported
+# services and their configuration.
+# This parameter configures the RecordStream URL, format:
+# [service://]location[#type]. "service" is the name of the recordstream
+# implementation. If "service" is not given "file://" is implied.
+recordstream = sdsarchive://@ROOTDIR@/var/lib/archive
+
+
+# Set the number of bytes to buffer for each chunk of waveform data served
+# to the client. The lower the buffer the higher the overhead of Python Twisted.
+# The higher the buffer the higher the memory usage per request. 100kB seems
+# to be a good trade-off.
+recordBulkSize = 102400