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tarantool-etcd-3hm --max-request-bytes not enforced (uncapped gRPC body accumulation)
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| Created by | Eugene Blikh |
| Owner | bigbes@gmail.com |
| Created | 2026-07-17T13:20:50Z |
| Updated | 2026-07-17T13:20:50Z |
etcd rejects requests over 1.5 MiB with InvalidArgument 'etcdserver: request is too large'. gRPC: lib/nghttp2/grpc.lua:499-524 on_data_chunk accumulates stream.data_buf UNCAPPED — a large stream is a memory-growth vector, not just a conformance gap. JSON: only a generic 4 MiB HTTP cap returning a bare 413 text body (lib/http1/server.lua:53,183-184,353-354), not the etcd error shape. No such error constructor exists in app/etcd/errors.lua. The fragmentation half of the 3.3 feature IS implemented (app/etcd/watch.lua:36-40).
Request >1.5 MiB returns the etcd-shaped InvalidArgument on both wires; gRPC accumulation is capped and aborts early rather than buffering; limit configurable; error constructor added.
No outgoing dependencies.
Nothing depends on this issue.
| id | tarantool-etcd-3hm |
| content_hash | 2af875528846ea9fa87eb57f137dd3dc975608bbec8597c643bec1408ecb15d0 |
| title | --max-request-bytes not enforced (uncapped gRPC body accumulation) |
| description | etcd rejects requests over 1.5 MiB with InvalidArgument 'etcdserver: request is too large'. gRPC: lib/nghttp2/grpc.lua:499-524 on_data_chunk accumulates stream.data_buf UNCAPPED — a large stream is a memory-growth vector, not just a conformance gap. JSON: only a generic 4 MiB HTTP cap returning a bare 413 text body (lib/http1/server.lua:53,183-184,353-354), not the etcd error shape. No such error constructor exists in app/etcd/errors.lua. The fragmentation half of the 3.3 feature IS implemented (app/etcd/watch.lua:36-40). |
| design | |
| acceptance_criteria | Request >1.5 MiB returns the etcd-shaped InvalidArgument on both wires; gRPC accumulation is capped and aborts early rather than buffering; limit configurable; error constructor added. |
| notes | |
| status | open |
| priority | 2 |
| issue_type | bug |
| assignee | NULL |
| estimated_minutes | NULL |
| created_at | 2026-07-17T13:20:50Z |
| created_by | Eugene Blikh |
| owner | bigbes@gmail.com |
| updated_at | 2026-07-17T13:20:50Z |
| 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-3hm |
| label | etcd-changelog-sweep |
| id | 019f703c-a36a-7e86-94d3-a497712532e1 |
| issue_id | tarantool-etcd-3hm |
| event_type | created |
| actor | Eugene Blikh |
| old_value | |
| new_value | |
| comment | NULL |
| created_at | 2026-07-17T16:20:50Z |
| id | 019f703c-a36b-7a87-a7b2-85096c1bae40 |
| issue_id | tarantool-etcd-3hm |
| event_type | label_added |
| actor | Eugene Blikh |
| old_value | NULL |
| new_value | NULL |
| comment | Added label: etcd-changelog-sweep |
| created_at | 2026-07-17T16:20:50Z |
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