lukaszzborek commented on issue #2572:
URL: https://github.com/apache/iggy/issues/2572#issuecomment-3756877573
@hubcio
it was faster then i thought
from other place, but same situation. After `Closed segment for stream` log,
panic log. But now, also whole server was stoped
```
Jan 15 21:00:13 iggy iggy-server[550384]: 2026-01-15T21:00:13.514922Z INFO
shard-1 server::shard::tasks::periodic::message_cleaner: Deleting 1 segments
for stream ID: 0, topic ID: 4, partition ID: 0...
Jan 15 21:00:13 iggy iggy-server[550384]: 2026-01-15T21:00:13.515167Z INFO
shard-1 server::shard::tasks::periodic::message_cleaner: Deleted segment with
start offset 1950691 (end: 2085469, size: 134421141, messages: 134779) from
partition ID: 0
Jan 15 21:00:13 iggy iggy-server[550384]: 2026-01-15T21:00:13.581169Z INFO
shard-1 server::shard::tasks::periodic::message_cleaner: Deleted 1 segments and
134779 messages for stream ID: 0, topic ID: 4
Jan 15 21:00:13 iggy iggy-server[550384]: 2026-01-15T21:00:13.581206Z INFO
shard-1 server::shard::tasks::periodic::message_cleaner: Total cleaned: 1
segments and 134779 messages
Jan 15 21:00:13 iggy iggy-server[550384]: 2026-01-15T21:00:13.582604Z INFO
shard-1 server::shard::tasks::periodic::message_saver: Saved 385 buffered
messages on disk.
Jan 15 21:00:14 iggy iggy-server[550384]: 2026-01-15T21:00:14.489250Z INFO
shard-0 server::shard::tasks::periodic::sysinfo_printer: CPU: 40.35%/38.71%
(IggyUsage/Total), Mem: 78.23%/232.47 MB/467.61 MB/2.15 GB
(Free/IggyUsage/TotalUsed/Total), Clients: 13, Messages: 4.1M, Read: 4.10 KB,
Written: 2.77 GB, OpenFDs: 97
Jan 15 21:00:24 iggy iggy-server[550384]: 2026-01-15T21:00:24.493288Z INFO
shard-0 server::shard::tasks::periodic::sysinfo_printer: CPU: 19.69%/22.78%
(IggyUsage/Total), Mem: 78.22%/232.30 MB/467.80 MB/2.15 GB
(Free/IggyUsage/TotalUsed/Total), Clients: 13, Messages: 4.1M, Read: 4.10 KB,
Written: 2.78 GB, OpenFDs: 97
Jan 15 21:00:34 iggy iggy-server[550384]: 2026-01-15T21:00:34.496912Z INFO
shard-0 server::shard::tasks::periodic::sysinfo_printer: CPU: 21.05%/21.57%
(IggyUsage/Total), Mem: 78.19%/232.56 MB/468.47 MB/2.15 GB
(Free/IggyUsage/TotalUsed/Total), Clients: 13, Messages: 4.1M, Read: 4.10 KB,
Written: 2.79 GB, OpenFDs: 97
Jan 15 21:00:42 iggy iggy-server[550384]: 2026-01-15T21:00:42.993506Z INFO
shard-0 server::shard::tasks::periodic::message_saver: Saved 663 buffered
messages on disk.
Jan 15 21:00:42 iggy iggy-server[550384]: 2026-01-15T21:00:42.994997Z INFO
shard-2 server::shard::tasks::periodic::message_saver: Saved 992 buffered
messages on disk.
Jan 15 21:00:43 iggy iggy-server[550384]: 2026-01-15T21:00:43.585744Z INFO
shard-1 server::shard::tasks::periodic::message_saver: Saved 1528 buffered
messages on disk.
Jan 15 21:00:43 iggy iggy-server[550384]: 2026-01-15T21:00:43.603040Z INFO
shard-1 trace_send_messages{iggy_user_id=1 iggy_client_id=23335846
iggy_stream_id="0" iggy_topic_id="0" partitioning=balanced|0}:
server::slab::streams: Closed segment for stream: main, topic: kline-topic with
start offset: 485044, end offset: 970367, size: 134.38 MB f>
Jan 15 21:00:43 iggy iggy-server[550384]: thread 'shard-1' (550389) panicked
at core/server/src/slab/streams.rs:1351:38:
Jan 15 21:00:43 iggy iggy-server[550384]: called `Option::unwrap()` on a
`None` value
Jan 15 21:00:43 iggy iggy-server[550384]: note: run with `RUST_BACKTRACE=1`
environment variable to display a backtrace
Jan 15 21:00:43 iggy iggy-server[550384]: 2026-01-15T21:00:43.606304Z ERROR
shard-1 server::shard::task_registry::registry: Connection handler panicked on
shard 1: called `Option::unwrap()` on a `None` value, triggering shutdown
```
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