---> uname -a: Linux prd-queue-disttest-2c-1g-8452 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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: 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 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 7.9G 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 727 5404 4 2098 7214 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:6b:0a:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80779sec preferred_lft 80779sec inet6 fe80::f816:3eff:fe6b:a2f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-8452) 09/16/26 _x86_64_ (2 CPU) 00:33:21 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 1.20 0.01 1.19 0.00 0.05 14.80 0.03 01:00:00 3.08 0.33 2.50 0.26 43.09 232.04 863.33 01:10:00 7.74 0.44 5.98 1.33 36.95 433.07 5329.48 01:20:00 14.88 0.01 1.27 13.60 0.16 15.56 107394.58 01:30:00 1.47 0.00 1.43 0.04 0.00 18.00 2.36 01:40:00 1.23 0.00 1.21 0.02 0.00 14.80 2.32 01:50:00 1.23 0.00 1.21 0.02 0.00 14.63 2.13 02:00:00 1.52 0.00 1.49 0.03 0.00 18.68 2.36 Average: 4.04 0.10 2.04 1.91 10.03 95.20 14199.36 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 5693396 7495856 289776 3.56 63044 1916800 535032 5.83 465064 1696264 128 01:00:00 5616640 7468060 316704 3.89 65324 1962900 738072 8.04 484408 1734560 124 01:10:00 5608916 7464304 317636 3.91 75796 1953928 739516 8.05 492540 1729456 180 01:20:00 5608916 7464952 316992 3.90 75980 1954356 739580 8.06 492856 1729996 124 01:30:00 5596616 7453184 328656 4.04 76152 1954684 739580 8.06 492704 1730496 124 01:40:00 5611792 7468972 312872 3.85 76312 1955136 739644 8.06 492908 1730980 148 01:50:00 5611792 7469552 312292 3.84 76440 1955588 739644 8.06 493040 1731432 124 02:00:00 5608164 7466428 315416 3.88 76628 1955916 739644 8.06 493076 1731948 8 Average: 5619529 7468914 313793 3.86 73210 1951164 713839 7.78 488324 1726892 120 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 2.13 0.10 0.31 0.07 0.00 0.00 0.00 0.00 01:00:00 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 2.26 0.83 4.07 0.40 0.00 0.00 0.00 0.00 01:10:00 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 01:10:00 ens3 11.04 7.14 27.66 2.11 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.80 0.12 0.13 0.07 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.51 0.06 0.35 0.03 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.51 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 0.22 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 0.32 0.04 0.07 0.03 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.22 1.05 4.09 0.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-8452) 09/16/26 _x86_64_ (2 CPU) 00:33:21 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 0.29 0.00 0.10 0.02 0.01 99.59 00:50:00 0 0.07 0.00 0.11 0.02 0.01 99.79 00:50:00 1 0.51 0.00 0.09 0.03 0.00 99.38 01:00:00 all 1.43 0.00 0.34 0.06 0.01 98.16 01:00:00 0 2.13 0.00 0.40 0.08 0.01 97.39 01:00:00 1 0.73 0.00 0.28 0.05 0.01 98.94 01:10:00 all 4.65 0.00 0.67 0.19 0.01 94.49 01:10:00 0 3.04 0.00 0.57 0.04 0.01 96.33 01:10:00 1 6.25 0.00 0.76 0.34 0.01 92.65 01:20:00 all 0.27 0.00 0.10 0.03 0.00 99.60 01:20:00 0 0.33 0.00 0.08 0.00 0.00 99.59 01:20:00 1 0.20 0.00 0.12 0.06 0.00 99.62 01:30:00 all 0.27 0.00 0.19 0.01 0.01 99.52 01:30:00 0 0.07 0.00 0.20 0.01 0.01 99.72 01:30:00 1 0.48 0.00 0.18 0.01 0.00 99.32 01:40:00 all 0.26 0.00 0.09 0.01 0.01 99.64 01:40:00 0 0.06 0.00 0.11 0.01 0.01 99.82 01:40:00 1 0.46 0.00 0.07 0.01 0.01 99.45 01:50:00 all 0.24 0.00 0.08 0.01 0.00 99.66 01:50:00 0 0.41 0.00 0.06 0.01 0.00 99.52 01:50:00 1 0.07 0.00 0.11 0.01 0.00 99.81 02:00:00 all 0.29 0.00 0.19 0.03 0.01 99.47 02:00:00 0 0.29 0.00 0.19 0.05 0.01 99.46 02:00:00 1 0.29 0.00 0.20 0.02 0.01 99.48 Average: all 0.96 0.00 0.22 0.05 0.01 98.77 Average: 0 0.80 0.00 0.21 0.03 0.01 98.95 Average: 1 1.13 0.00 0.22 0.06 0.01 98.58