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The database StatefulSet needs more CPU and larger volumes with no downtime. Walk me through volume expansion and the restart choreography.

Volumes grow online and never shrink; StatefulSet template changes normally replace pods ordinal by ordinal; supported in-place pod resize is a separate path. The craft is expanding storage first, gating rolls with partition, and letting replication lag set the pace.

Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.

Volumes grow online and never shrink; StatefulSet template changes normally replace pods ordinal by ordinal; supported in-place pod resize is a separate path. The craft is expanding storage first, gating rolls with partition, and letting replication lag set the pace.

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