• 1x dedicated local SSD mounted under /var/lib/etcd
  • 1x dedicated slow disk for the OS
  • 7.5 GB memory
  • etcd may use maximal memory if one follower is dead and the leader keeps sending snapshots.
  • is the maximal memory usage recorded in 3 runs.
  • When etcd reaches data size threshold, it may trigger leader election easily and drop part of proposals.
value byteskey number limitationsuggested data size threshold(MB)consumed RSS(MB)
128400K482400
1024300K2926500