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Cassandra scale down action #285

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kragniz opened this issue Mar 14, 2018 · 0 comments · May be fixed by #289
Open

Cassandra scale down action #285

kragniz opened this issue Mar 14, 2018 · 0 comments · May be fixed by #289
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kind/feature
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v0.2

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@kragniz
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kragniz commented Mar 14, 2018 •
edited

/kind feature

Action allowing users to scale their cassandra clusters down (e.g. from 5 nodes to 3 nodes).

Plan:

  1. ScaleIn action sets a field on pilots selected for removal
  2. Pilots locally run nodetool drain, and report back when done
  3. When all are drained, each pilot runs nodetool decommission, and report back when done
  4. When all are decommissioned, run nodetool removetoken from leaderelected pilot
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Cassandra scale in action kragniz/navigator
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