⚠️ This type is unstable and may change significantly in a way that the data won't be backwards compatible. A mapping of channel IDs to their respective message counts.

Used in MCAP statistics to track how many messages were recorded per channel.

Arrow datatype

List(non-null Struct(
        "channel_id": non-null UInt16
        "message_count": non-null UInt64
    ))

API reference links

• 🌊 C++ API docs for ChannelMessageCounts
• 🐍 Python API docs for ChannelMessageCounts
• 🦀 Rust API docs for ChannelMessageCounts

Used by

• McapStatistics