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Technology · head to head

etcd vs StatusCake

etcd logo

etcd

Technology

A distributed key-value store using Raft consensus, built for cluster coordination rather than application data.

From
On request
Rated
-
Full reviewWebsite
StatusCake logo

StatusCake

Technology

Website monitoring that just works

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only StatusCake has a free tier, so it costs nothing to try first.
  • Each has a real cost: etcd it is sized for coordination data, not application data: the default backend quota is 2 GB and 8 GB is the documented recommended maximum, and exceeding it puts the cluster into a NOSPACE alarm where it accepts no writes until an operator compacts, defragments and clears the alarm by hand.; StatusCake free plan is limited to a 5 minute check interval and only 10 uptime monitors, 1 page speed monitor and 1 SSL monitor
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which etcd and StatusCake actually diverge.

Attributes where etcd and StatusCake differ
AttributeetcdStatusCake
Starting priceOn requestFree
Pricing modelopen-sourcefreemium
Free tierNoYes

Identical on both: platforms (Web), user rating (Not yet rated), category (Technology).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in etcd

  • Raft consensus
  • Linearizable reads
  • Transactions
  • Leases
  • Watches
  • MVCC revision history
  • Role-based access control
  • Snapshot backup and restore

Only in StatusCake

Nothing recorded that etcd does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

etcd

  • Storing Kubernetes cluster state, which is what the overwhelming majority of etcd deployments are doingnot StatusCake
  • Leader election and distributed locking in a home-grown scheduler or control plane, using leases and transactionsnot StatusCake
  • Service discovery and dynamic configuration where readers need to be notified of changes rather than poll for themnot StatusCake
  • Coordinating failover in a clustered database, as Patroni does for PostgreSQLnot StatusCake

StatusCake

  • Website uptime monitoring and alert managementnot etcd
  • SSL certificate expiration trackingnot etcd
  • Domain expiration alerts and monitoringnot etcd
  • Page performance analysis and reportingnot etcd
  • Server health monitoring and incidentsnot etcd
  • Team-based incident response coordinationnot etcd

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

etcd

  • It is sized for coordination data, not application data: the default backend quota is 2 GB and 8 GB is the documented recommended maximum, and exceeding it puts the cluster into a NOSPACE alarm where it accepts no writes until an operator compacts, defragments and clears the alarm by hand.
  • Every write is replicated and fsynced before acknowledgement, so cluster performance is bounded by the slowest disk in it; a member on network-attached storage with high fsync latency causes leader elections and cluster-wide latency spikes that look like network problems and are not.
  • Adding members increases availability but reduces write throughput, because each write must reach a larger quorum; you run three or five members for fault tolerance, and increasing capacity means faster hardware rather than more nodes.
  • There is no sharding and no multi-tenancy, so isolating workloads means running separate clusters, each with its own quorum, certificates, backup schedule and upgrade path, and that operational multiplication is often unexpected.
  • Running it yourself is a real job: periodic compaction and defragmentation, snapshot backups you have actually rehearsed restoring, and rotation of both peer and client TLS certificates, none of which happens automatically outside a managed Kubernetes service.
  • Losing quorum is not self-healing; recovering a cluster that has lost a majority means restoring from a snapshot and accepting that everything written since that snapshot is gone, which makes backup frequency a data-loss budget decision rather than a routine setting.

StatusCake

  • Free plan is limited to a 5 minute check interval and only 10 uptime monitors, 1 page speed monitor and 1 SSL monitor
  • Sub-minute checking (30 seconds) requires the Business plan at $66.66/month billed annually, or $79.99/month billed monthly
  • Enterprise, the only tier with unlimited monitors, has no published price and requires a custom quote

Pricing, plan by plan

etcd

On request

No published plan breakdown. See the etcd review.

StatusCake

Free
  • FreeFree
    • 10 uptime tests
    • 5 min test intervals
    • 1 page speed test
  • Superior$20.41/month
    • 100 uptime tests
    • 1 min test intervals
    • 15 page speed tests
  • Business$66.66/month
    • 300 uptime tests
    • 30 sec test intervals
    • 30 page speed tests
  • Enterprise$null/mo

Which should you pick?

Choose etcd if

  • You need raft consensus.
  • You also want linearizable reads.
etcd review

Choose StatusCake if

  • You want to start without paying.
StatusCake review

Questions people ask

Is etcd or StatusCake better?
Neither clearly leads. etcd starts at On request and StatusCake at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, etcd or StatusCake?
StatusCake has a free tier; the other does not. Paid plans start at On request for etcd and Free for StatusCake.
Does etcd or StatusCake run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use StatusCake for free?
Yes. StatusCake has a free tier, so you can try it without paying. etcd starts at On request.
What is etcd best used for?
etcd is most often used for storing kubernetes cluster state, which is what the overwhelming majority of etcd deployments are doing, leader election and distributed locking in a home-grown scheduler or control plane, using leases and transactions, service discovery and dynamic configuration where readers need to be notified of changes rather than poll for them, coordinating failover in a clustered database, as patroni does for postgresql. Of those, storing kubernetes cluster state, which is what the overwhelming majority of etcd deployments are doing and leader election and distributed locking in a home-grown scheduler or control plane, using leases and transactions are not what StatusCake is typically brought in for.
What can etcd do that StatusCake cannot?
etcd covers Raft consensus, Linearizable reads, Transactions, Leases.

Answered from the vendors’ own pages

etcd: Can I use etcd as an application database?

No. It is designed for metadata and coordination, with a recommended maximum store size of around 8 GB, no sharding and a write path deliberately optimised for durability rather than throughput. Application data belongs in a database built for it.

StatusCake: How much does StatusCake cost?

StatusCake offers a free plan at $0/month, with paid plans starting at $20.41/month (annual) for the Superior tier, $66.66/month (annual) for Business, and custom pricing for Enterprise.

Source
etcd: How many members should a cluster have?

Three for most cases, five where you need to survive two simultaneous failures. Always an odd number, because an even-sized cluster gains no additional fault tolerance while making quorum harder to reach.

StatusCake: Is there a free version of StatusCake?

Yes, StatusCake offers a free plan with 10 uptime tests, 5 minute test intervals, 1 page speed test, 1 SSL monitor, and 1 domain monitor. A 7-day free trial of all plans is available with no credit card required.

Source
etcd: What happens when the store fills up?

The cluster raises a NOSPACE alarm and stops accepting writes, becoming effectively read-only. Recovery requires compacting old revisions, defragmenting each member and then explicitly disarming the alarm, all done by an operator.

StatusCake: What billing and payment options does StatusCake offer?

StatusCake accepts payment via credit card on all tiers and invoices on Business Yearly and higher plans. Multi-year discounts are available: 12.5% for 2-year, 25% for 3-year, and 40% for 5-year commitments. Currencies supported include USD, GBP, EUR, AUD, NZD, SGD, and CAD.

Source
etcd: Why is my etcd cluster slow or unstable?

Almost always disk latency. Because every write is fsynced before acknowledgement, slow or shared storage causes heartbeat timeouts, leader elections and cascading latency. Local SSDs with low fsync latency are effectively a requirement.

StatusCake: What is the minimum test interval for uptime monitoring?

The Free plan allows 5-minute test intervals minimum. Superior plan allows 1-minute intervals, and Business plan allows 30-second intervals.

Source
etcd: How does it compare with Consul or ZooKeeper?

All three provide consensus-backed coordination. etcd has the simplest data model and the Kubernetes ecosystem behind it; Consul bundles service discovery, health checking and a service mesh; ZooKeeper is older, JVM-based and still common under Kafka and Hadoop-era systems.

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