---> uname -a: Linux prd-queue-disttest-2c-1g-62028 6.8.0-146-generic #146-Ubuntu SMP PREEMPT_DYNAMIC Thu Sep 3 16:12:30 UTC 2026 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: 5600.00 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 8.0G 30G 22% / 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 805 5214 4 2223 7136 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:6e:5e:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82641sec preferred_lft 82641sec inet6 fe80::f816:3eff:fe6e:5e93/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-146-generic (prd-queue-disttest-2c-1g-62028) 10/05/26 _x86_64_ (2 CPU) 00:35:09 LINUX RESTART (2 CPU) 00:40:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 15.87 0.03 1.60 14.25 1.40 19.85 109719.05 01:00:16 16.68 13.10 3.28 0.30 145.97 173.39 468.05 01:10:01 2.61 0.00 2.37 0.23 0.00 81.86 228.67 01:20:01 2.99 0.32 2.45 0.22 42.64 159.07 52.65 01:30:06 1.64 0.00 1.61 0.03 0.00 20.64 0.65 Average: 7.98 2.77 2.27 2.94 38.88 91.69 21598.44 00:40:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5570308 7431824 347972 4.28 91004 1942088 682932 7.44 550284 1738688 240 01:00:16 5478620 7405396 364772 4.49 95992 1993848 680896 7.42 550644 1794824 136 01:10:01 5475544 7403840 366124 4.50 96884 1994380 683704 7.45 553108 1796136 236 01:20:01 5429680 7398304 370968 4.56 97952 2033276 885416 9.64 571020 1826008 240 01:30:06 5424112 7393248 376048 4.62 98116 2033612 885708 9.65 571340 1826508 228 Average: 5475653 7406522 365177 4.49 95990 1999441 763731 8.32 559279 1796433 216 00:40:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 00:50:01 ens3 2.27 0.11 0.29 0.06 0.00 0.00 0.00 0.00 01:00:16 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 01:00:16 ens3 1.36 0.66 0.62 0.36 0.00 0.00 0.00 0.00 01:10:01 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 01:10:01 ens3 3.71 0.82 1.41 0.50 0.00 0.00 0.00 0.00 01:20:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:20:01 ens3 3.99 1.02 4.41 0.54 0.00 0.00 0.00 0.00 01:30:06 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 01:30:06 ens3 0.95 0.11 0.13 0.07 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 2.44 0.55 1.37 0.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-146-generic (prd-queue-disttest-2c-1g-62028) 10/05/26 _x86_64_ (2 CPU) 00:35:09 LINUX RESTART (2 CPU) 00:40:16 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.25 0.00 0.09 0.06 0.00 99.59 00:50:01 0 0.31 0.00 0.09 0.12 0.00 99.48 00:50:01 1 0.19 0.00 0.10 0.01 0.00 99.70 01:00:16 all 1.21 0.29 0.40 1.02 0.00 97.07 01:00:16 0 1.73 0.01 0.31 0.10 0.00 97.84 01:00:16 1 0.70 0.57 0.50 1.94 0.00 96.29 01:10:01 all 1.19 0.00 0.17 0.07 0.00 98.57 01:10:01 0 0.14 0.00 0.17 0.03 0.00 99.65 01:10:01 1 2.23 0.00 0.18 0.11 0.00 97.48 01:20:01 all 1.23 0.00 0.22 0.20 0.00 98.35 01:20:01 0 1.67 0.00 0.23 0.15 0.01 97.95 01:20:01 1 0.79 0.00 0.20 0.26 0.00 98.74 01:30:06 all 0.29 0.00 0.18 0.01 0.00 99.51 01:30:06 0 0.23 0.00 0.20 0.00 0.00 99.57 01:30:06 1 0.36 0.00 0.17 0.02 0.00 99.45 Average: all 0.84 0.06 0.22 0.28 0.00 98.61 Average: 0 0.82 0.00 0.20 0.08 0.00 98.89 Average: 1 0.85 0.12 0.23 0.48 0.00 98.32