Metrics Update Between 2025.x and 2026.1¶

ScyllaDB 2026.1 Dashboards are available as part of the latest Scylla Monitoring Stack.

New Metrics in 2026.1¶

The following metrics are new in ScyllaDB 2026.1 compared to 2025.4.

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.

The following metrics are renamed in ScyllaDB 2026.1 compared to 2025.4.

Metric Name in 2025.4	Metric Name in 2026.1
scylla_s3_memory_usage	scylla_object_storage_memory_usage

The following metrics are removed in ScyllaDB 2026.1.

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