Block production gap #640
Description
Sometimes there is a gap in block production. It looks like this might be caused by BlockInfo building delay, but it needs more investigation.
Every time I saw this issue, it happened after a forced inclusion. Not sure if that’s related.
2025-10-06T10:38:50.012842Z | Epoch: 822 | Slot: 3 | L2 Slot: 3 | Txs: 1 | Fee: 25000000 | L2: 2355 | Time: 1759747130 | Hash: 0xb97a5c | Batches: 0 | Preconf, Submit, Synced |
2025-10-06T10:38:50.012871Z DEBUG catalyst_whitelist::node::batch_manager::batch_builder: Creating new block with pending tx list length: 1, bytes length: 124
2025-10-06T10:38:50.012877Z INFO catalyst_whitelist::node::batch_manager: Adding new L2 block id: 2356, timestamp: 1759747130, parent gas used: 166904, allow_forced_inclusion: true
2025-10-06T10:38:50.016875Z DEBUG catalyst_whitelist::forced_inclusion: Decode forced inclusion at index 79, tail: 80
2025-10-06T10:38:50.024783Z DEBUG common::blob::blob_parser: extract_transactions_from_blob: Blob conversion took 7 ms
2025-10-06T10:38:50.025433Z DEBUG common::blob::blob_parser: extract_transactions_from_blob: Total with decompression and decoding took 7 ms
2025-10-06T10:38:50.025455Z DEBUG catalyst_whitelist::node::batch_manager: Got forced inclusion in 9 milliseconds
2025-10-06T10:38:50.025464Z DEBUG common::l2::taiko: Submitting new L2 block to the Taiko driver with 1 txs
2025-10-06T10:38:50.027563Z DEBUG common::l2::pacaya::execution_layer: AnchorTX transaction hash: 0xfbdc129964d99057706e7b9c4d832786156b5f8ec0860c51177fdd1d25835eb8
2025-10-06T10:38:50.054368Z INFO catalyst_whitelist::chain_monitor: L2 block → number: 2356, hash: 0xff9c04985fccd248365b65663c2f86b197f11e678a2ee113308a43ee5adda361, parent hash: 0xb97a5c2cea67f33f05d957a66d3caed143ac615f62afa2483b50cef800bc7d52
2025-10-06T10:38:50.058932Z DEBUG catalyst_whitelist::node::batch_manager: Preconfirmed forced inclusion L2 block: Some(BuildPreconfBlockResponse { number: 2356, hash: 0xff9c04985fccd248365b65663c2f86b197f11e678a2ee113308a43ee5adda361, parent_hash: 0xb97a5c2cea67f33f05d957a66d3caed143ac615f62afa2483b50cef800bc7d52 })
2025-10-06T10:38:53.884942Z | Epoch: 822 | Slot: 3 | L2 Slot: 4 | Txs: 2 | Fee: 25000000 | L2: 2356 | Time: 1759747132 | Hash: 0xff9c04 | Batches: 1 | Preconf, Submit, Synced |
2025-10-06T10:38:53.884973Z DEBUG catalyst_whitelist::node::batch_manager::batch_builder: Creating new block with pending tx list length: 2, bytes length: 198
2025-10-06T10:38:53.884980Z INFO catalyst_whitelist::node::batch_manager: Adding new L2 block id: 2357, timestamp: 1759747132, parent gas used: 202697, allow_forced_inclusion: true
2025-10-06T10:38:53.884990Z DEBUG catalyst_whitelist::node::batch_manager::batch_builder: Added L2 block to batch: l2 blocks: 1, total bytes: 198
2025-10-06T10:38:53.884994Z DEBUG common::l2::taiko: Submitting new L2 block to the Taiko driver with 2 txs
2025-10-06T10:38:53.886616Z DEBUG common::l2::pacaya::execution_layer: AnchorTX transaction hash: 0x13075b39225d674d0151382d2373134161e955306af1548709c91eeb2d3df402
2025-10-06T10:38:53.905307Z INFO catalyst_whitelist::chain_monitor: L2 block → number: 2357, hash: 0xfe85055b6688bc095012952dd690d2bf6d2ccfd5e131670f9818a6005567a038, parent hash: 0xff9c04985fccd248365b65663c2f86b197f11e678a2ee113308a43ee5adda361
2025-10-06T10:38:54.011543Z | Epoch: 822 | Slot: 3 | L2 Slot: 5 | Txs: 0 | Fee: 25000000 | L2: 2357 | Time: 1759747134 | Hash: 0xfe8505 | Batches: 1 | Preconf, Submit, Synced |