install/setup_cassandra.sh

   1 #!/bin/bash
   2 # The contents of this file are subject to the Common Public Attribution
   3 # License Version 1.0. (the "License"); you may not use this file except in
   4 # compliance with the License. You may obtain a copy of the License at
   5 # http://code.reddit.com/LICENSE. The License is based on the Mozilla Public
   6 # License Version 1.1, but Sections 14 and 15 have been added to cover use of
   7 # software over a computer network and provide for limited attribution for the
   8 # Original Developer. In addition, Exhibit A has been modified to be consistent
   9 # with Exhibit B.
  10 #
  11 # Software distributed under the License is distributed on an "AS IS" basis,
  12 # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
  13 # the specific language governing rights and limitations under the License.
  14 #
  15 # The Original Code is reddit.
  16 #
  17 # The Original Developer is the Initial Developer.  The Initial Developer of
  18 # the Original Code is reddit Inc.
  19 #
  20 # All portions of the code written by reddit are Copyright (c) 2006-2015 reddit
  21 # Inc. All Rights Reserved.
  22 ###############################################################################
  23
  24 ###############################################################################
  25 # Configure Cassandra
  26 ###############################################################################
  27
  28 # update the per-thread stack size. this used to be set to 256k in cassandra
  29 # version 1.2.19, but we recently downgraded to 1.2.11 where it's set too low
  30 sed -i -e 's/-Xss180k/-Xss256k/g' /etc/cassandra/cassandra-env.sh
  31
  32 python <<END
  33 import pycassa
  34 sys = pycassa.SystemManager("localhost:9160")
  35
  36 if "reddit" not in sys.list_keyspaces():
  37     print "creating keyspace 'reddit'"
  38     sys.create_keyspace("reddit", "SimpleStrategy", {"replication_factor": "1"})
  39     print "done"
  40
  41 if "permacache" not in sys.get_keyspace_column_families("reddit"):
  42     print "creating column family 'permacache'"
  43     sys.create_column_family("reddit", "permacache")
  44     print "done"
  45 END