| Connection | Collects connection status information such as active connections, idle connections, and maximum connections | Count |
| Transaction | Collects transaction status information such as committed transactions and rolled-back transactions | Count |
| Query Performance | Collects performance information such as average query execution time | ms |
| Lock Wait | Collects lock wait information such as waiting lock count | Count |
| Query Statistics | Collects query execution count, returned rows, shared block hits, shared block reads, and total execution time | Count, Rows, ms |
| Buffer Cache | Collects Buffer Cache hit ratio, shared block hits, shared block reads, and related information | %, Count |
| Database Status | Collects block hits, block reads, conflicts, backend count, and inserted/updated/deleted tuple information | Count |
| Tablespace | Collects tablespace name and tablespace size information | Bytes |
| Lock Detail | Collects lock count information for different lock types | Count |
| Index Usage | Collects index scan count, sequential scan count, index hit ratio, and related information | Count, % |
| Background Writer | Collects backend buffer writes, background writer buffer writes, requested checkpoints, and timed checkpoints | Count |
| Session Activity | Collects session state, wait events, session count, and related information | Count |
| Query Cancellation | Collects deadlock count, temporary file count, and related information | Count |
| Function Statistics | Collects function call count, self time, total time, and related information | Count, ms |
| Slow Query | Collects slow query call count, average execution time, total execution time, and related information | Count, ms |