Usage of the Shard director ( rampup period )

Yiannis Karayiannidis y.karayiannidis at
Thu Nov 14 10:43:16 UTC 2019

Hello all,
I'm trying to use the Shard director

 sub vcl_init {
        new dir_b = directors.shard();
                dir_b .add_backend(wb3);
                dir_b .add_backend(wb2);
                dir_b .set_rampup(2m);
                dir_b .reconfigure();

I'm trying to debug  rampup period for a failed backend, cause it seems to
me that the server is getting back in the pool before the 2 minutes rampup

Any ideas will be appreciated.

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