Ring Buffer Configuration Guide: Difference between revisions

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=== Disk write and read performance ===
=== Disk write and read performance ===


Please note that one disk can have '''one''' shared ring buffer or be part of '''one''' cluster ring buffer. Hard disk drives have a high constant write rate when only one write is active.
Note that one disk can have '''one''' shared ring buffer or be part of '''one''' cluster ring buffer. Hard disk drives have a high constant write rate when only one write is active.


The Allegro Network Multimeter has a ''write first'' policy on the ring buffer devices.  The Allegro prioritizes writes over reads for a storage. A pcap read can be very slow when there is a high write rate to the ring buffer.
The Allegro Network Multimeter has a ''write first'' policy on the ring buffer devices.  The Allegro prioritizes writes over reads for a storage. A pcap read can be very slow when there is a high write rate to the ring buffer.
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