This page explains the prerequisites for using MOLT Fetch and then describes how to install it.
Supported databases
The following source databases are supported:
- PostgreSQL 11-16
- MySQL 5.7-8.4
- Oracle Database 19c (Enterprise Edition) and 21c (Express Edition)
Installation
To install MOLT, download the binary that matches your architecture and source database:
| Operating System | Architecture | PostgreSQL/MySQL | Oracle |
|---|---|---|---|
| Windows | AMD 64-bit | Download | N/A |
| ARM 64-bit | Download | N/A | |
| Linux | AMD 64-bit | Download | Download |
| ARM 64-bit | Download | N/A | |
| Mac | AMD 64-bit | Download | Download |
| ARM 64-bit | Download | Download |
The download package includes the following:
moltbinary.replicatorbinary.- Grafana dashboard JSON files for MOLT Fetch (
grafana_dashboard.json) and Replicator (replicator_grafana_dashboard.json) metrics. Each bundled dashboard is compatible with its corresponding binary version.- Oracle downloads also include the Oracle-specific Replicator dashboard (
replicator_oracle_grafana_dashboard.json).
- Oracle downloads also include the Oracle-specific Replicator dashboard (
For ease of use, keep both molt and replicator in your current working directory.
To display the current version of each binary, run molt --version and replicator --version.
molt is bundled with the latest replicator version available at the time of the MOLT release. This means that the MOLT download always contains the latest released version of MOLT Replicator. To verify that the molt and replicator versions match, run molt --version and replicator --version.
For previous binaries, refer to the MOLT version manifest. For release details, refer to the MOLT changelog.
Docker images
MOLT Fetch
Docker multi-platform images containing both the AMD and ARM molt and replicator binaries are available. To pull the latest image for PostgreSQL and MySQL:
docker pull cockroachdb/molt
To pull a specific version (for example, 1.1.3):
docker pull cockroachdb/molt:1.1.3
To pull the latest image for Oracle (note that only linux/amd64 is supported):
docker pull cockroachdb/molt:oracle-latest
MOLT Replicator
Docker images for MOLT Replicator are also available as a standalone binary:
docker pull cockroachdb/replicator
To pull a specific version (for example, v1.1.1):
docker pull cockroachdb/replicator:v1.1.1
