Comments (2)
That post said GLB will not disrupt any connection in any condition
To clarify, if a machine fails, the connections that are terminated on that machine will obviously fail, because the state in the Linux kernel for the connection and the application level state in haproxy, nginx, or whatever service is also gone. GLB doesn't prevent this.
What GLB does is ensure that on a single host failure, no other connections are disrupted as connections are redistributed. In addition, if the primary is drained rather than hard-failed, GLB will gracefully drain it of connections, rather than breaking any of them.
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To clarify, if a machine fails, the connections that are terminated on that machine will obviously fail, because the state in the Linux kernel for the connection and the application level state in haproxy, nginx, or whatever service is also gone. GLB doesn't prevent this.
Thanks for clarifying that.
from glb-director.
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