---> uname -a: Linux prd-queue-disttest-2c-1g-0 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.8G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 688 5528 4 2008 7253 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:a4:c6:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84286sec preferred_lft 84286sec inet6 fe80::f816:3eff:fea4:c6b9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-0) 03/17/26 _x86_64_ (2 CPU) 12:59:47 LINUX RESTART (2 CPU) 13:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:06 27.25 3.99 9.93 13.34 466.41 1761.69 106925.32 13:20:06 1.85 0.33 1.52 0.01 39.09 72.29 0.32 13:30:06 1.49 0.01 1.46 0.03 1.05 18.41 0.28 Average: 10.26 1.45 4.32 4.49 169.88 621.43 35888.63 13:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:06 5776076 7492828 297896 3.66 61588 1835548 537792 5.86 467504 1613820 268 13:20:06 5730380 7475592 314544 3.87 61896 1863416 727016 7.92 484536 1630924 288 13:30:06 5740440 7486484 303780 3.74 62056 1864056 537712 5.86 479172 1631420 196 Average: 5748965 7484968 305407 3.76 61847 1854340 600840 6.54 477071 1625388 251 13:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:06 lo 1.11 1.11 0.07 0.07 0.00 0.00 0.00 0.00 13:10:06 ens3 30.30 16.97 177.67 3.78 0.00 0.00 0.00 0.00 13:20:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 13:20:06 ens3 1.94 0.33 3.29 0.13 0.00 0.00 0.00 0.00 13:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 13:30:06 ens3 0.60 0.09 0.12 0.06 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 11.01 5.83 60.77 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-0) 03/17/26 _x86_64_ (2 CPU) 12:59:47 LINUX RESTART (2 CPU) 13:00:00 CPU %user %nice %system %iowait %steal %idle 13:10:06 all 4.10 0.00 0.79 0.50 0.03 94.58 13:10:06 0 3.91 0.00 0.70 0.47 0.02 94.89 13:10:06 1 4.28 0.00 0.88 0.54 0.04 94.27 13:20:06 all 0.40 0.00 0.12 0.05 0.03 99.40 13:20:06 0 0.29 0.00 0.13 0.06 0.03 99.50 13:20:06 1 0.52 0.00 0.12 0.03 0.02 99.31 13:30:06 all 0.28 0.00 0.19 0.05 0.02 99.46 13:30:06 0 0.44 0.00 0.16 0.05 0.02 99.33 13:30:06 1 0.12 0.00 0.22 0.04 0.03 99.58 Average: all 1.60 0.00 0.37 0.20 0.03 97.80 Average: 0 1.56 0.00 0.33 0.20 0.02 97.89 Average: 1 1.65 0.00 0.41 0.20 0.03 97.71