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Databases · head to head

Memcached vs Fivetran HVR

Memcached logo

Memcached

Databases

Distributed memory object caching system

From
Free
Rated
-
Full reviewWebsite
Fivetran HVR logo

Fivetran HVR

Databases

Log-based change data capture for database replication and synchronization

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Memcached has a free tier, so it costs nothing to try first.
  • Each has a real cost: Memcached no persistence at all: restart a node and its cache is gone, which every design must assume; Fivetran HVR pricing not published separately; part of Fivetran's usage model
  • They diverge on capability: Memcached covers In-memory key-value cache, Fivetran HVR covers Log-based change capture.

Where they differ

Only the attributes on which Memcached and Fivetran HVR actually diverge.

Attributes where Memcached and Fivetran HVR differ
AttributeMemcachedFivetran HVR
Starting priceFreeOn request
Pricing modelOpen source, no licence fee; managed cloud billed separatelyUsage-based, integrated with Fivetran billing
Free tierYesNo
PlatformsLinux, macOS, Windows, Docker, Self-hostedData Warehouse, Data Lake, Operational Databases
FoundedUnknown2012

Identical on both: user rating (Not yet rated), category (Databases).

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 Memcached

  • In-memory key-value cache
  • Multithreaded
  • Client-side sharding
  • Predictable memory use

Only in Fivetran HVR

  • Log-based change capture
  • Real-time replication
  • Schema evolution handling
  • Multi-table consistency
  • Zero-impact monitoring
  • Fivetran integration

What people use each for

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

Memcached

  • Caching expensive database query results to cut loadnot Fivetran HVR
  • Session storage where losing sessions on restart is acceptablenot Fivetran HVR
  • Fronting an API whose responses are costly and change slowlynot Fivetran HVR

Fivetran HVR

  • Real-time database replication to data warehousesnot Memcached
  • Maintaining operational copies for analyticsnot Memcached
  • Disaster recovery and business continuitynot Memcached
  • Feeding AI systems with fresh governed datanot Memcached

Where each one falls short

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

Memcached

  • No persistence at all: restart a node and its cache is gone, which every design must assume
  • No replication or failover, so losing a node loses that share of the cache
  • Only simple key-value, with none of the lists, sorted sets or streams Redis offers
  • Values are capped at 1MB by default, which surprises teams caching large documents

Fivetran HVR

  • Pricing not published separately; part of Fivetran's usage model
  • Requires Fivetran relationship for implementation
  • Limited standalone documentation and community resources
  • May be overkill for simple batch replication needs
  • Competitive offerings provide more transparent per-connector pricing

Pricing, plan by plan

Memcached

Free
  • MemcachedFree
    • Full functionality
    • Self-hosted
    • No usage limits

Fivetran HVR

On request

No published plan breakdown. See the Fivetran HVR review.

Which should you pick?

Choose Memcached if

  • You need in-memory key-value cache.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, Docker, Self-hosted.
  • You also want multithreaded.
Memcached review

Choose Fivetran HVR if

  • You need log-based change capture.
  • You work on Data Warehouse, Data Lake, Operational Databases.
  • You also want real-time replication.
Fivetran HVR review

Questions people ask

Is Memcached or Fivetran HVR better?
Neither clearly leads. Memcached starts at Free and Fivetran HVR at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Memcached or Fivetran HVR?
Memcached has a free tier; the other does not. Paid plans start at Free for Memcached and On request for Fivetran HVR.
Does Memcached or Fivetran HVR run on more platforms?
Memcached runs on Linux, macOS, Windows, Docker, Self-hosted. Fivetran HVR runs on Data Warehouse, Data Lake, Operational Databases.
Can I use Memcached for free?
Yes. Memcached has a free tier, so you can try it without paying. Fivetran HVR starts at On request.
What is Memcached best used for?
Memcached is most often used for caching expensive database query results to cut load, session storage where losing sessions on restart is acceptable, fronting an api whose responses are costly and change slowly. Of those, caching expensive database query results to cut load and session storage where losing sessions on restart is acceptable are not what Fivetran HVR is typically brought in for.
What can Memcached do that Fivetran HVR cannot?
Memcached covers In-memory key-value cache, Multithreaded, Client-side sharding, Predictable memory use. Fivetran HVR covers Log-based change capture, Real-time replication, Schema evolution handling, Multi-table consistency.

Answered from the vendors’ own pages

Memcached: Is Memcached free?

Yes, open source with no licence fee.

Fivetran HVR: What databases does Fivetran HVR support?

HVR supports major databases including Oracle, SQL Server, PostgreSQL, MySQL, and others that emit transaction logs.

Source
Memcached: Memcached or Redis?

Memcached is a pure cache: simpler, multithreaded and very predictable. Redis adds persistence, replication and rich data structures, which is why it is the default choice unless you specifically want a cache and nothing more.

Fivetran HVR: Is HVR part of standard Fivetran pricing?

Yes, HVR is integrated into Fivetran's usage-based pricing model with standard per-row-synced and transformation costs.

Source
Memcached: Does Memcached persist data?

No. Everything is in memory and lost on restart, by design.

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