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Greptime
@Greptime
The open-source observability database. One columnar engine for metrics, logs & traces on object storage. SQL across signals. PromQL for metrics.
If you hit ModuleNotFoundError: No module named 'mcp.server.fastmcp' installing greptimedb-mcp-server, upgrade: pip install -U greptimedb-mcp-server MCP Python SDK 2.0 removed that module. Our dependency had no upper bound, so fresh installs pulled 2.x. Fixed in 0.5.2.- Several users have asked how GreptimeDB Open Source differs from GreptimeDB Enterprise. We've updated our website to make the boundary clearer. GreptimeDB Open Source includes the core engine and APIs, cluster deployment, object storage, Flow, and Region failover under
- JSON2 in GreptimeDB v1.2.0-beta.1: you declare types for the JSON subpaths you actually query. attrs JSON2 ( http.status BIGINT, latency_ms DOUBLE, error BOOLEAN DEFAULT false ) Those paths get typed storage and are validated on write. Paths you don't hint still
- "When was this table created, altered, or dropped?" used to be a log grep. As of this month, cluster lifecycle events land in greptime_private.events: SELECT timestamp, type, table_name, procedure_state FROM greptime_private.events WHERE table_name = 'cpu_metrics' ORDER
