ContextQMD
Back to Scylladb

Metrics Update Between and

docs/upgrade/upgrade-guides/upgrade-guide-from-2025.x-to-2026.1/metric-update-2025.x-to-2026.1.rst

latest3.1 KB
Original Source

.. |SRC_VERSION| replace:: 2025.x .. |NEW_VERSION| replace:: 2026.1 .. |PRECEDING_VERSION| replace:: 2025.4

================================================================ Metrics Update Between |SRC_VERSION| and |NEW_VERSION|

.. toctree:: :maxdepth: 2 :hidden:

ScyllaDB |NEW_VERSION| Dashboards are available as part of the latest |mon_root|.

New Metrics in |NEW_VERSION|

The following metrics are new in ScyllaDB |NEW_VERSION| compared to |PRECEDING_VERSION|.

.. list-table:: :widths: 25 150 :header-rows: 1

    • Metric
    • Description
    • scylla_alternator_operation_size_kb
    • Histogram of item sizes involved in a request.
    • scylla_column_family_total_disk_space_before_compression
    • Hypothetical total disk space used if data files weren't compressed
    • scylla_group_name_auto_repair_enabled_nr
    • Number of tablets with auto repair enabled.
    • scylla_group_name_auto_repair_needs_repair_nr
    • Number of tablets with auto repair enabled that currently need repair.
    • scylla_lsa_compact_time_ms
    • Total time spent on segment compaction that was not accounted under reclaim_time_ms.
    • scylla_lsa_evict_time_ms
    • Total time spent on evicting objects that was not accounted under reclaim_time_ms,
    • scylla_lsa_reclaim_time_ms
    • Total time spent in reclaiming LSA memory back to std allocator.
    • scylla_object_storage_memory_usage
    • Total number of bytes consumed by the object storage client.
    • scylla_tablet_ops_failed
    • Number of failed tablet auto repair attempts.
    • scylla_tablet_ops_succeeded
    • Number of successful tablet auto repair attempts.

Renamed Metrics in |NEW_VERSION|

The following metrics are renamed in ScyllaDB |NEW_VERSION| compared to |PRECEDING_VERSION|.

.. list-table:: :widths: 25 150 :header-rows: 1

    • Metric Name in |PRECEDING_VERSION|
    • Metric Name in |NEW_VERSION|
    • scylla_s3_memory_usage
    • scylla_object_storage_memory_usage

Removed Metrics in |NEW_VERSION|

The following metrics are removed in ScyllaDB |NEW_VERSION|.

  • scylla_redis_current_connections
  • scylla_redis_op_latency
  • scylla_redis_operation
  • scylla_redis_operation
  • scylla_redis_requests_latency
  • scylla_redis_requests_served
  • scylla_redis_requests_serving

New and Updated Metrics in Previous Releases

  • Metrics Update Between 2025.3 and 2025.4 <https://docs.scylladb.com/manual/branch-2025.4/upgrade/upgrade-guides/upgrade-guide-from-2025.x-to-2025.4/metric-update-2025.x-to-2025.4.html>_
  • Metrics Update Between 2025.2 and 2025.3 <https://docs.scylladb.com/manual/branch-2025.3/upgrade/upgrade-guides/upgrade-guide-from-2025.2-to-2025.3/metric-update-2025.2-to-2025.3.html>_
  • Metrics Update Between 2025.1 and 2025.2 <https://docs.scylladb.com/manual/branch-2025.2/upgrade/upgrade-guides/upgrade-guide-from-2025.1-to-2025.2/metric-update-2025.1-to-2025.2.html>_