AZR 323 a Building Robust Windows Azure Applications

AZR 323 a Building Robust Windows Azure Applications with P&P Guidance @Mahesh. Krishnan Principal Consultant, Readify

What’s covered

Changes in code public class Worker. Role : Role. Entry. Point { private Autoscaler _autoscaler; . . . public override bool On. Start() { _autoscaler = Enterprise. Library. Container. Current. Get. Instance<Autoscaler>(); _autoscaler. Start(); . . . } public override void On. Stop() { _autoscaler. Stop(); . . . } }

<reactive. Rules> <rule name="Scale. Up. On. High. Utilization" rank="15" > <when> <greater operand="CPU" than ="60"/> </when> <actions> <scale target="SM. Website" by="1"/> </actions> </rule> <rule name="Scale. Down. On. Low. Utilization" rank="20" > <when> <less operand="CPU" than ="30"/> </when> <actions> <scale target="SM. Website" by="-1"/> </actions> </rule> </reactive. Rules>

demo WASABi in action Name Title Group

Transient Errors Handling them using TOPAZ

//Use retry aware connection using (var conn = new Reliable. Sql. Connection (conn. String, retry. Policy)) { conn. Open(); var cmd = conn. Create. Command(); cmd. Command. Text = sql. Stmt; //retry aware Execute. Command int count = cmd. Execute. Scalar(); }

sql. Retry. Policy. Execute. Action(() => { // Invoke a Linq. To. SQL query. }); return sql. Retry. Policy. Execute. Action<IEnumerable<string>>( () => { // Invoke a EF LINQ query return result; });

demo TOPAZ in action Name Title Group

WASABi

TOPAZ