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481d5ae2e5d1aaaf2808f4e4f38abd3575449cee
scylladb/db
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copilot-swe-agent[bot] 481d5ae2e5 Replace LRU with W-TinyLFU cache eviction policy 
Add Count-Min Sketch for frequency estimation and replace the single LRU
list with a W-TinyLFU policy using window, probation, and protected segments.
Update cache_tracker::touch() to use the new touch() method that handles
segment-aware promotion.

Co-authored-by: dorlaor <1735237+dorlaor@users.noreply.github.com>
2026-03-13 21:09:52 +00:00
..
commitlog
commitlog: Always abort replenish queue on loop exit
2026-02-17 23:46:47 +02:00
functions
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
hints
hint_sender: Switch to sender group on stop either
2026-02-09 08:54:51 +03:00
marshal
cql: vector: fix vector dimension type
2026-02-26 14:46:53 +02:00
snapshot
backup: process_snapshot_dir: use relative-path based file_stat
2026-01-04 11:05:56 +02:00
tags
Remove const & from tags_extension constructor
2025-09-14 13:32:21 +03:00
view
Merge 'Remove the rest of pre raft topology code' from Gleb Natapov
2026-03-11 10:24:20 +02:00
auth_version.hh
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
batchlog_manager.cc
db/batchlog_manager: re-add v1 support
2026-02-20 07:03:46 +02:00
batchlog_manager.hh
db/batchlog_manager: re-add v1 support
2026-02-20 07:03:46 +02:00
batchlog.hh
db,service: switch to system.batchlog_v2
2025-12-02 14:21:26 +02:00
cache_mutation_reader.hh
db/row_cache: use tombstone_gc_state with value semantics
2026-03-03 14:09:27 +02:00
cache_tracker.hh
sstables: use BTI index for queries, when present and enabled
2025-09-29 13:01:21 +02:00
chained_delegating_reader.hh
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
CMakeLists.txt
Drop legacy schema support
2025-12-07 00:09:13 +02:00
compaction_history_entry.hh
system_keyspace: Upgrade compaction_history table
2025-05-14 08:32:05 +02:00
config.cc
sstables: propagate ignore_component_digest_mismatch config to all load sites
2026-03-10 19:24:05 +01:00
config.hh
sstables: propagate ignore_component_digest_mismatch config to all load sites
2026-03-10 19:24:05 +01:00
consistency_level_type.hh
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
consistency_level_validations.hh
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
consistency_level.cc
db: fail reads and writes with local consistencty level to a DC with RF=0
2026-01-22 12:49:45 +01:00
consistency_level.hh
tree: remove unused "#include"s
2025-01-28 14:12:06 +03:00
corrupt_data_handler.cc
db: introduce corrupt_data_handler
2025-06-24 14:57:00 +03:00
corrupt_data_handler.hh
db: introduce corrupt_data_handler
2025-06-24 14:57:00 +03:00
cql_type_parser.cc
tree: Remove unused boost headers
2025-02-15 20:32:22 +02:00
cql_type_parser.hh
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
data_listeners.cc
code: Replace distributed<> with sharded<>
2025-09-19 12:22:51 +02:00
data_listeners.hh
code: Replace distributed<> with sharded<>
2025-09-19 12:22:51 +02:00
extensions.cc
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
extensions.hh
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
heat_load_balance.cc
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
heat_load_balance.hh
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
large_data_handler.cc
sstables: add new rewrite component mechanism for safe sstable component rewriting
2026-02-26 22:38:55 +01:00
large_data_handler.hh
sstables: add new rewrite component mechanism for safe sstable component rewriting
2026-02-26 22:38:55 +01:00
object_storage_endpoint_param.cc
object_storage: Create s3 client with "extended" endpoint name
2026-01-13 13:24:06 +03:00
object_storage_endpoint_param.hh
object_storage: Create s3 client with "extended" endpoint name
2026-01-13 13:24:06 +03:00
operation_type.hh
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
partition_snapshot_row_cursor.hh
partition_snapshot_row_cursor: Clarify non-obvious semantic difference of range_tombstone()
2025-12-06 01:03:10 +01:00
paxos_grace_seconds_extension.hh
schema: deprecate schema_extension
2025-03-19 20:36:16 +02:00
per_partition_rate_limit_extension.hh
schema: deprecate schema_extension
2025-03-19 20:36:16 +02:00
per_partition_rate_limit_info.hh
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
per_partition_rate_limit_options.cc
tree: Remove unused boost headers
2025-02-15 20:32:22 +02:00
per_partition_rate_limit_options.hh
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
rate_limiter.cc
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
rate_limiter.hh
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
read_context.hh
db/row_cache: use tombstone_gc_state with value semantics
2026-03-03 14:09:27 +02:00
read_repair_decision.hh
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
row_cache.cc
Replace LRU with W-TinyLFU cache eviction policy
2026-03-13 21:09:52 +00:00
row_cache.hh
db,compaction: use utils::chunked_vector for cache invalidation ranges
2026-03-09 22:04:54 +02:00
schema_applier.cc
schema: drop recalculate_schema_version function and its uses
2026-03-10 10:46:39 +02:00
schema_applier.hh
schema: drop recalculate_schema_version function and its uses
2026-03-10 10:46:39 +02:00
schema_features.hh
feature_service: add TABLET_OPTIONS cluster schema feature
2025-02-06 08:55:51 +02:00
schema_tables.cc
Merge 'Remove the rest of pre raft topology code' from Gleb Natapov
2026-03-11 10:24:20 +02:00
schema_tables.hh
schema: remove calculate_schema_digest function
2026-03-10 10:46:47 +02:00
size_estimates_virtual_reader.cc
sstables: make sstable::estimated_keys_for_range asynchronous
2025-09-29 13:01:21 +02:00
size_estimates_virtual_reader.hh
sstables: make sstable::estimated_keys_for_range asynchronous
2025-09-29 13:01:21 +02:00
snapshot-ctl.cc
db::snapshot-ctl: Add method to do snapshot using topo coordinator
2026-02-23 11:27:15 +01:00
snapshot-ctl.hh
db::snapshot-ctl: Add method to do snapshot using topo coordinator
2026-02-23 11:27:15 +01:00
system_distributed_keyspace.cc
cdc: remove legacy code
2026-03-10 10:38:57 +02:00
system_distributed_keyspace.hh
cdc: remove legacy code
2026-03-10 10:38:57 +02:00
system_keyspace_sstables_registry.hh
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
system_keyspace_view_types.hh
view_builder: register view on all shards atomically
2025-09-21 10:39:05 +02:00
system_keyspace.cc
cdc: drop usage of cdc_local table and v1 generation definition
2026-03-10 10:39:59 +02:00
system_keyspace.hh
cdc: drop usage of cdc_local table and v1 generation definition
2026-03-10 10:39:59 +02:00
tablet_options.cc
tablet options: Add max_tablet_count tablet option to enforce tablet count upper bounds
2026-03-03 11:19:24 +03:00
tablet_options.hh
tablet options: Add max_tablet_count tablet option to enforce tablet count upper bounds
2026-03-03 11:19:24 +03:00
timeout_clock.hh
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00
tri_mode_restriction.hh
config: split tri_mode_restriction to a separate header
2025-08-27 13:47:04 +03:00
virtual_table.cc
readers/mutation_source: s/make_reader_v2/make_mutation_reader/
2025-05-09 07:53:29 -04:00
virtual_table.hh
virtual_tables: memtable_filling_virtual_table: Propagate permit to execute()
2025-04-09 20:21:51 +02:00
virtual_tables.cc
db: fix UB in system.clients row sorting
2026-03-04 14:10:49 +03:00
virtual_tables.hh
code: Replace distributed<> with sharded<>
2025-09-19 12:22:51 +02:00
write_type.hh
treewide: relicense to ScyllaDB-Source-Available-1.0
2024-12-18 17:45:13 +02:00