Arne Welzel 7fac5837c3 iosource/pcap: Support configurable buffer size ... On Linux with a default ext4 or tmpfs filesystem, the default buffer size for reading a pcap is chosen as 4k (strace/gdb validated). When reading large pcaps containing raw data transfers, the syscall overhead for read becomes visible in profiles. Support configurability of the buffer size and default to 128kb. When processing a ~830M PCAP (16 UDP connections, each transferring ~50MB) in bare mode, this change improves runtime from 1.39 sec to 1.29 sec. Increasing the buffer further didn't provide a noticeable boost.		2023-10-10 15:08:51 +02:00
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output2	iosource/pcap: Support configurable buffer size	2023-10-10 15:08:51 +02:00