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tarantool-etcd-ubj No auto-compaction (--auto-compaction-mode / --auto-compaction-retention)
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| Created by | Eugene Blikh |
| Owner | bigbes@gmail.com |
| Created | 2026-07-17T13:20:52Z |
| Updated | 2026-07-17T13:20:52Z |
etcd advances compact_revision autonomously via --auto-compaction-mode=periodic|revision plus --auto-compaction-retention. Client-driven Compact is correct (app/etcd/compact.lua:28) but there is NO background fiber and NO config knob — zero hits for 'auto.?compact|retention' across app/, lib/, docs/. app/roles/etcd.lua:6-44 has no compaction block. Impact: history grows without bound unless an external actor calls Compact. A drop-in etcd replacement configured with auto-compaction gets none, and the operator has no signal — this is the kind of gap that surfaces as unbounded memory growth in production weeks later.
Background fiber + roles_cfg.compaction.{mode,retention}. Interacts with the compact-revision boundary bug — land that first or the auto-compactor will mass-produce the watch livelock.
periodic and revision modes both advance compact_revision; configurable via roles_cfg; disabled by default matching etcd; test covers both modes.
No outgoing dependencies.
Nothing depends on this issue.
| id | tarantool-etcd-ubj |
| content_hash | 9fa2b019230fef524e54fc2a1286772300f5f2b92da91b3bef00be8c5e8c8613 |
| title | No auto-compaction (--auto-compaction-mode / --auto-compaction-retention) |
| description | etcd advances compact_revision autonomously via --auto-compaction-mode=periodic|revision plus --auto-compaction-retention. Client-driven Compact is correct (app/etcd/compact.lua:28) but there is NO background fiber and NO config knob — zero hits for 'auto.?compact|retention' across app/, lib/, docs/. app/roles/etcd.lua:6-44 has no compaction block. Impact: history grows without bound unless an external actor calls Compact. A drop-in etcd replacement configured with auto-compaction gets none, and the operator has no signal — this is the kind of gap that surfaces as unbounded memory growth in production weeks later. |
| design | Background fiber + roles_cfg.compaction.{mode,retention}. Interacts with the compact-revision boundary bug — land that first or the auto-compactor will mass-produce the watch livelock. |
| acceptance_criteria | periodic and revision modes both advance compact_revision; configurable via roles_cfg; disabled by default matching etcd; test covers both modes. |
| notes | |
| status | open |
| priority | 2 |
| issue_type | feature |
| assignee | NULL |
| estimated_minutes | NULL |
| created_at | 2026-07-17T13:20:52Z |
| created_by | Eugene Blikh |
| owner | bigbes@gmail.com |
| updated_at | 2026-07-17T13:20:52Z |
| closed_at | NULL |
| closed_by_session | |
| external_ref | NULL |
| spec_id | |
| compaction_level | 0 |
| compacted_at | NULL |
| compacted_at_commit | NULL |
| original_size | NULL |
| sender | |
| ephemeral | 0 |
| wisp_type | |
| pinned | 0 |
| is_template | 0 |
| mol_type | |
| work_type | |
| source_system | |
| metadata | <binary> |
| source_repo | |
| close_reason | |
| event_kind | |
| actor | |
| target | |
| payload | |
| await_type | |
| await_id | |
| timeout_ns | 0 |
| waiters | |
| hook_bead | |
| role_bead | |
| agent_state | |
| last_activity | NULL |
| role_type | |
| rig | |
| due_at | NULL |
| defer_until | NULL |
| no_history | 0 |
| started_at | NULL |
| is_blocked | 0 |
| issue_id | tarantool-etcd-ubj |
| label | etcd-changelog-sweep |
| id | 019f703c-acc4-70a4-ab36-cb8d78a06579 |
| issue_id | tarantool-etcd-ubj |
| event_type | created |
| actor | Eugene Blikh |
| old_value | |
| new_value | |
| comment | NULL |
| created_at | 2026-07-17T16:20:52Z |
| id | 019f703c-acc4-77bc-9154-910b9b6760e4 |
| issue_id | tarantool-etcd-ubj |
| event_type | label_added |
| actor | Eugene Blikh |
| old_value | NULL |
| new_value | NULL |
| comment | Added label: etcd-changelog-sweep |
| created_at | 2026-07-17T16:20:52Z |
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