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Packet ring buffer: Difference between revisions
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* Used size: The currently used amount of memory in the capture buffer. | * Used size: The currently used amount of memory in the capture buffer. | ||
:If the cluster packet ring buffer feature is active and the Write redundancy level is set to a different value than zero replication, an adjusted value is displayed to reflect the redundant copies of packet data. The raw on-disk value will be displayed next to it in parentheses. | :If the cluster packet ring buffer feature is active and the Write redundancy level is set to a different value than zero replication, an adjusted value is displayed to reflect the redundant copies of packet data. The raw on-disk value will be displayed next to it in parentheses. | ||
* Overall bytes captured since start: The amount of captured bytes since system | * Overall bytes captured since start: The amount of captured bytes since start of the packet ring buffer. Starting with version 3.6 this statistic is persisted beyond a restart of the system. | ||
:This | :This value may be larger than the used size in case the ring buffer is full and parts of it were overwritten. | ||
:The history graph shows the captured traffic of the last minute or in the selected interval (if set). | :The history graph shows the captured traffic of the last minute or in the selected interval (if set). | ||
* Bytes dropped since start: The traffic which was processed but could not be written to the ring buffer since the start of | * Bytes dropped since start: The traffic which was processed but could not be written to the ring buffer since the start of the packet ring buffer. Starting with version 3.6 this statistic is persisted beyond a restart of the system. | ||
:This is usually an indicator that writes to the external storage device were not fast enough. | :This is usually an indicator that writes to the external storage device were not fast enough. The history graph shows the drops over time. | ||
* Bytes discarded due to snapshot length rules since start: The traffic which matched the snapshot length rules criteria and was not written to the ring buffer. | * Bytes discarded due to snapshot length rules since start: The traffic which matched the snapshot length rules criteria and was not written to the ring buffer. Starting with version 3.6 this statistic is persisted beyond a restart of the system. | ||
:The history graph shows discarding over time. | :The history graph shows discarding over time. | ||
* Data in flight: The amount of data which is currently stored in the queue that holds processed packets before they are written to the packet ring buffer. | * Data in flight: The amount of data which is currently stored in the queue that holds processed packets before they are written to the packet ring buffer. | ||