New NHS load test

General load test.  Sort of somewhere between the demands of all three functional domain clusters.

Also included is a passive version, designed to be a relatively unchallenging passive-site load (for providing load under cluster admin tests).

Author: martinsumner

examples/riakc_nhs_general.config

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+{mode, max}.
+
+{duration, 1440}.
+
+{report_interval, 10}.
+
+{node_name, testnode1}.
+
+{concurrent, 100}.
+
+{driver, basho_bench_driver_nhs}.
+
+%% Ignored by alwaysget and unique operations
+{key_generator, {eightytwenty_int, 100000000}}.
+
+{value_generator, {semi_compressible, 8000, 2000, 10, 0.2}}.
+
+%% For alwaysget operations what is:
+%% - the maximum number of keys per worker (max number of keys = this * concurrent)
+%% - whether the inserts should be in key_order
+{alwaysget, {240000, 100000, skew_order}}.
+{unique, {8000, skew_order}}.
+
+{pb_ips, [{127,0,0,1}]}.
+{http_ips, [{127,0,0,1}]}.
+
+{riakc_pb_replies, 1}.
+
+{operations, [{alwaysget_pb, 651}, {alwaysget_updatewith2i, 120}, 
+                {put_unique, 95}, {get_unique, 130},
+                {postcodequery_http, 3}, {dobquery_http, 1}]}.
+
+%% Use {auto_reconnect, false} to get "old" behavior (prior to April 2013).
+%% See deps/riakc/src/riakc_pb_socket.erl for all valid socket options.
+{pb_connect_options, [{auto_reconnect, true}]}.
+
+%% Overrides for the PB client's default 60 second timeout, on a
+%% per-type-of-operation basis.  All timeout units are specified in
+%% milliseconds.  The pb_timeout_general config item provides a
+%% default timeout if the read/write/listkeys/mapreduce timeout is not
+%% specified.
+
+{pb_timeout_general, 60000}.
+{pb_timeout_read, 10000}.
+{pb_timeout_write, 10000}.
+{pb_timeout_listkeys, 60000}.
+%% The general timeout will be used because this specific item is commented:
+%% {pb_timeout_mapreduce, 50000}.

examples/riakc_nhs_passive.config

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+{mode, {rate, 10}}.
+
+{duration, 1440}.
+
+{report_interval, 10}.
+
+{node_name, testnode1}.
+
+{concurrent, 10}.
+
+{driver, basho_bench_driver_nhs}.
+
+%% Ignored by alwaysget and unique operations
+{key_generator, {eightytwenty_int, 100000000}}.
+
+{value_generator, {semi_compressible, 8000, 2000, 10, 0.2}}.
+
+%% For alwaysget operations what is:
+%% - the maximum number of keys per worker (max number of keys = this * concurrent)
+%% - whether the inserts should be in key_order
+{alwaysget, {240000, 100000, skew_order}}.
+{unique, {8000, skew_order}}.
+
+{pb_ips, [{127,0,0,1}]}.
+{http_ips, [{127,0,0,1}]}.
+
+{riakc_pb_replies, 1}.
+
+{operations, [{alwaysget_pb, 4}, {alwaysget_updatewith2i, 600}, 
+                {put_unique, 390}, {get_unique, 4},
+                {postcodequery_http, 1}, {dobquery_http, 1}]}.
+
+%% Use {auto_reconnect, false} to get "old" behavior (prior to April 2013).
+%% See deps/riakc/src/riakc_pb_socket.erl for all valid socket options.
+{pb_connect_options, [{auto_reconnect, true}]}.
+
+%% Overrides for the PB client's default 60 second timeout, on a
+%% per-type-of-operation basis.  All timeout units are specified in
+%% milliseconds.  The pb_timeout_general config item provides a
+%% default timeout if the read/write/listkeys/mapreduce timeout is not
+%% specified.
+
+{pb_timeout_general, 60000}.
+{pb_timeout_read, 10000}.
+{pb_timeout_write, 10000}.
+{pb_timeout_listkeys, 60000}.
+%% The general timeout will be used because this specific item is commented:
+%% {pb_timeout_mapreduce, 50000}.