You are using ElastiCache Memcached to store session state and cache database queries in your infrastructure.
You notice in CloudWatch that Evictions and GetMisses are Doth very high.
What two actions could you take to rectify this?
Choose 2 answers
A.
Increase the number of nodes in your cluster
B.
Tweak the max_item_size parameter
C.
Shrink the number of nodes in your cluster
D.
Increase the size of the nodes in the duster
it should be A & D
Scale out/scale up
0
0
A & D
http://docs.aws.amazon.com/AmazonElastiCache/latest/UserGuide/CacheMetrics.WhichShouldIMonitor.html
0
0
Perfect. As this question talks about Memcached.
0
0
B is incorrect. Answer is A, D
0
0
A & D (Scale up and Scale Out)
0
0
A & D (Scale up and Scale Out) is right
0
0
ad
0
0
A & D
0
0
ad
0
0
A, D
Memcached: Since Memcached is multi-threaded, this metric can be as high as 90%.
If you exceed this threshold,
1. scale your cache cluster up by using a larger cache node type, OR
2. scale out by adding more cache nodes.
1
0