compare
Apache ShardingSphere vs PgDog
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Apache ShardingSphere | PgDog |
|---|---|---|
| Language | Java | Rust |
| Licence | Apache-2.0 | AGPL-3.0 |
| Stars | 21k | 5.6k |
| Latest | 5.5.3 | v0.1.60 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 184 days between releases | about 7 days between releases |
| Active contributors | 22+ commit authors on the default branch in the last 90 days | 35 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Citus. Alternatives to Citus →
PartialApache ShardingSphereShards ordinary PostgreSQL or MySQL servers from a proxy or a JDBC driver, instead of an extension.
PartialPgDogShards ordinary PostgreSQL servers from a proxy, with connection pooling and load balancing, instead of an extension.
Apache ShardingSphere
- 5.5.32026-02-281. Fix CVE-2025-55163, CVE-2025-58056, CVE-2025-58057 #36758
- 5.5.22025-01-221. Kernel: Add firebird SQL parser module and database type #33773
- 5.5.12024-10-221. Authority: Mark privilege provider ALL_PERMITTED as deprecated and will be removed in future
- 5.5.02024-04-301. Proxy: Remove the outdated schemaName configuration of the Proxy
- 5.4.12023-10-211. Proxy: Supports dbcp and c3p0 connection pools
PgDog
- v0.1.602026-09-2440% faster handling of SELECT in sharded queries by removing redundant AST walks @jkaczman
- v0.1.592026-09-17[Breaking] Manual bans are now carried over to new connection pools after RELOAD. They were previously discarded, allow…
- v0.1.582026-09-10Database-specific TLS configuration (incl. mTLS), allowing different TLS certificates per host in pgdog.toml @rlittlefi…
- v0.1.572026-09-03SCRAM client authentication (which uses expensive crypto) is now pushed to background threads, which will avoid blockin…
- v0.1.562026-08-27Hot fix for v0.1.55.
Apache ShardingSphere
unsigned The latest release, 5.5.3, carries no signature GitHub could verify.
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PgDog
✓ signed The latest release, v0.1.60, carries a signature GitHub verified.
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