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update cassandra.yaml comments post-CASSANDRA-10243

This commit is contained in:
Jonathan Ellis 2016-07-26 10:54:31 -05:00
parent 3d3359eb95
commit 48a45eda50
1 changed files with 9 additions and 6 deletions
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15
conf/cassandra.yaml
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@ -656,12 +656,15 @@ cross_node_timeout: false
# more than one replica on the same "rack" (which may not actually # more than one replica on the same "rack" (which may not actually
# be a physical location) # be a physical location)
# #
# IF YOU CHANGE THE SNITCH AFTER DATA IS INSERTED INTO THE CLUSTER, # CASSANDRA WILL NOT ALLOW YOU TO SWITCH TO AN INCOMPATIBLE SNITCH
# YOU MUST RUN A FULL REPAIR, SINCE THE SNITCH AFFECTS WHERE REPLICAS # ONCE DATA IS INSERTED INTO THE CLUSTER. This would cause data loss.
# ARE PLACED. # This means that if you start with the default SimpleSnitch, which
# # locates every node on "rack1" in "datacenter1", your only options
# IF THE RACK A REPLICA IS PLACED IN CHANGES AFTER THE REPLICA HAS BEEN # if you need to add another datacenter are GossipingPropertyFileSnitch
# ADDED TO A RING, THE NODE MUST BE DECOMMISSIONED AND REBOOTSTRAPPED. # (and the older PFS). From there, if you want to migrate to an
# incompatible snitch like Ec2Snitch you can do it by adding new nodes
# under Ec2Snitch (which will locate them in a new "datacenter") and
# decommissioning the old ones.
# #
# Out of the box, Cassandra provides # Out of the box, Cassandra provides
# - SimpleSnitch: # - SimpleSnitch: