Monitoring / Metrics

[deobald]

• ENDB_LOG_LEVEL => endb=INFO (default)
• ENDB_TRACING_LEVEL => endb=DEBUG (default)
  • https://docs.rs/env_logger/0.11.0/env_logger/#enabling-logging (how to configure... find latest version link?)
• ENDB_TRACING_OTEL=1 (off by default)
  • OTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:4317/
  • https://opentelemetry.io/docs/specs/otel/protocol/exporter/ (config OTel)
• prometheus
  • /metrics

src/lib/server.lisp: (endb/lib:metric-counter "interactive_transactions_active" -1))))
src/storage/wal.lisp: (endb/lib:metric-monotonic-counter "wal_written_bytes_total" (length buffer))))))
src/storage/wal.lisp: (endb/lib:metric-monotonic-counter "wal_read_bytes_total" (length buffer))
src/storage/buffer-pool.lisp: (endb/lib:metric-counter "buffer_pool_usage_bytes" (- (buffer-pool-entry-size v)))
src/storage/buffer-pool.lisp: (endb/lib:metric-counter "buffer_pool_usage_bytes" (buffer-pool-entry-size entry))
src/storage/buffer-pool.lisp: (endb/lib:metric-counter "buffer_pool_usage_bytes" (- (buffer-pool-entry-size entry)))
src/storage/object-store.lisp: (endb/lib:metric-monotonic-counter "object_store_read_bytes_total" (length buffer))
src/storage/object-store.lisp: (endb/lib:metric-monotonic-counter "object_store_written_bytes_total" bytes-written)))))
src/sql.lisp: (endb/lib:metric-monotonic-counter "transactions_committed_total" 1)
src/sql.lisp: (endb/lib:metric-counter "queries_active" 1)
src/sql.lisp: (endb/lib:metric-histogram "query_real_time_duration_seconds" (/ (getf args :real-time-ms) 1000.0d0))
src/sql.lisp: (endb/lib:metric-histogram "query_gc_run_time_duration_seconds" (/ (getf args :gc-run-time-ms) 1000.0d0))
src/sql.lisp: (endb/lib:metric-histogram "query_consed_bytes" (getf args :bytes-consed))
src/sql.lisp: (endb/lib:metric-monotonic-counter "queries_total" 1)
src/sql.lisp: (endb/lib:metric-counter "queries_active" -1)))))
src/sql.lisp: (endb/lib:metric-counter "dynamic_space_usage_bytes" (- usage previous-usage))
src/http.lisp: (endb/lib:metric-monotonic-counter "transactions_prepared_total" 1)
src/http.lisp: (endb/lib:metric-monotonic-counter "transactions_retried_total" 1)))))))
src/http.lisp: (endb/lib:metric-monotonic-counter "websocket_message_internal_errors_total" 1)
src/http.lisp: (endb/lib:metric-monotonic-counter "transactions_prepared_total" 1)
src/http.lisp: (endb/lib:metric-monotonic-counter "transactions_conflicted_total" 1))
src/http.lisp: (endb/lib:metric-monotonic-counter "transactions_retried_total" 1)))))))
src/http.lisp: (endb/lib:metric-counter "interactive_transactions_active" 1))))
src/http.lisp: (endb/lib:metric-counter "interactive_transactions_active" -1))
src/http.lisp: (endb/lib:metric-counter "interactive_transactions_active" -1))))))))))
src/http.lisp: (endb/lib:metric-counter "interactive_transactions_active" -1))
lib/endb_server/src/lib.rs: tracing::trace!(counter.websocket_connections_active = 1);
lib/endb_server/src/lib.rs: tracing::trace!(monotonic_counter.websocket_messages_total = 1);
lib/endb_server/src/lib.rs: tracing::trace!(counter.websocket_connections_active = -1);
lib/endb_server/src/lib.rs: monotonic_counter.http_requests_total = 1,
lib/endb_server/src/lib.rs: tracing::trace!(counter.build_info = 1, version = ENDB_FULL_VERSION);
lib/endb_server/src/lib.rs: tracing::trace!(histogram.websocket_message_duration_seconds = latency.as_secs_f64());
lib/endb_server/src/lib.rs: histogram.http_request_duration_seconds = latency.as_secs_f64(),