etcd: revision, watch và thay đổi membership

Nội dung luyện tập

• etcd metadata not large object default
• etcd byte prefix not directory
• etcd revision logical not wall time
• etcd opaque value application schema
• etcd mod revision compare failure branch
• etcd create if absent transaction
• etcd lease revoke shared keys
• etcd snapshot watch start boundary
• etcd compacted watch requires resync
• etcd key version delete recreate aba
• etcd serializable read staleness choice
• etcd transaction one store revision
• etcd watch silence not freshness proof
• etcd learner not voting member
• etcd online defrag member blocking
• etcd nospace error not no write proof
• etcd restore revision cache invalidation
• etcd region placement quorum survival
• etcd membership change needs existing quorum
• etcd election timeout disk latency evidence

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