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BarCampPortland - Session - Redundancy and Load Balancing

Page history last edited by Nick Jacobsen 16 years, 11 months ago

Problems:

Performance

redundancy

 

 

Technology:

 

MemCacheD

 

CARP

- ucarp

- fires virtual ip up/down

- takes a couple seconds

- dead simple

 

Heartbeat

- does not always fail over properly

 

pf/pfsync

 

mod_proxy

- looking at adding support for mod_perl for scripting

 

perlbal

 

Alteon

 

cfengine

 

SQL:

pgcluster

 

mysqlcluster

- cannot add and remove nodes at runtime

- only 254 nodes (clients or data sources) - hard limit

 

Anycast:

-

 

Misc:

 

 

Notes by Nick Jacobsen via Nick Jacobsen's MoonEdit Server

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