dr0ptp4kt added a comment.
On the gaming-class 2018 desktop, although the `bufferCapacity` value at 100000**0** sped things up as described on this here ticket, application of the CPU governor change did not seem to have any additional bearing (it took 2.47 days as compared to its previous record of 2.44). It's possible that the existing BIOS configuration of the gaming-class 2018 desktop (which was already set to a high performance mode) was already squeezing out optimal performance, for example, or something else about the processor architecture's interaction with the rest of the hardware and operating system is just different as contrasted with the data center server. In any case, it's nice to see that the data center server is faster! One of my theories is that the gaming class desktop with 64GB of total RAM may play some role, but the hardware provider has indicated that although more memory can be installed, it will only run with 64GB RAM and can't jump to 128GB RAM. Another is that perhaps the default memory swappiness (60) on the gaming class desktop could play a role. However, I find this less likely, as memory spikes haven't seemed to be a problem on this machine while loading data, plus the hard drive is an NVMe and so paging is somewhat less likely to manifest problematically anyway. Maybe something to check another day, as we use a swappiness of 0 in the data center generally as with the WDQS hosts. TASK DETAIL https://phabricator.wikimedia.org/T359062 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: dr0ptp4kt Cc: ssingh, bking, dr0ptp4kt, Aklapper, Danny_Benjafield_WMDE, S8321414, Astuthiodit_1, karapayneWMDE, Invadibot, maantietaja, ItamarWMDE, Akuckartz, Dringsim, Nandana, Lahi, Gq86, GoranSMilovanovic, QZanden, EBjune, KimKelting, LawExplorer, _jensen, rosalieper, Scott_WUaS, Wikidata-bugs, aude, Mbch331
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