[DRBD-user] Performance regression with DRBD 8.3.12 and newer

Dirk dirk.schulz at kinzesberg.de
Wed Jun 13 20:31:05 CEST 2012

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

Sorry, but I am not deeply into kernel details, so it is not easy to 
follow the thread and filter a result.
> The performance degradation you experience is simply that your config 
> did not disable these, and if compiled against the right headers, they 
> are used and effective. 
What exactly do I have to do to avoid the perf degradation? Do I have to 
compile a modified kernel and compile drbd.ko against that? If yes, what 
changes to the kernel config?



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