---> uname -a: Linux prd-queue-disttest-2c-1g-59155 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: 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 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 720 5404 4 2105 7221 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:01:55:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80829sec preferred_lft 80829sec inet6 fe80::f816:3eff:fe01:550e/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-59155) 09/27/26 _x86_64_ (2 CPU) 00:32:24 LINUX RESTART (2 CPU) 00:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:35 1.39 0.01 1.38 0.00 0.05 16.71 0.01 01:00:44 2.65 0.00 2.42 0.24 0.00 141.79 618.09 01:10:44 7.78 0.43 5.88 1.46 36.92 444.75 5589.61 01:20:25 1.18 0.00 1.16 0.02 0.01 14.55 1.98 01:30:44 2.07 0.32 1.71 0.04 41.79 104.87 206.87 01:40:15 1.26 0.00 1.24 0.02 0.00 15.03 1.79 01:50:44 1.17 0.00 1.15 0.02 0.00 14.29 2.04 02:00:25 15.54 0.00 1.53 14.01 0.15 18.59 111471.72 Average: 4.07 0.10 2.06 1.91 9.99 96.56 14244.84 00:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:35 5696652 7505272 280808 3.45 63080 1922624 536424 5.84 459936 1701580 176 01:00:44 5673972 7492424 293324 3.61 65056 1930252 537936 5.86 461188 1711184 188 01:10:44 5667392 7487644 295444 3.63 72580 1922272 539156 5.87 469172 1704144 156 01:20:25 5675044 7495732 287348 3.53 72712 1922576 539280 5.87 469388 1704576 180 01:30:44 5625756 7486452 295716 3.64 73180 1961608 741196 8.07 487868 1733864 156 01:40:15 5625116 7486244 295916 3.64 73320 1961896 741228 8.07 488040 1734288 180 01:50:44 5607768 7469448 312692 3.84 73508 1962256 758576 8.26 491768 1734832 156 02:00:25 5614908 7477108 304948 3.75 73644 1962600 756960 8.24 490664 1735296 124 Average: 5648326 7487540 295774 3.64 70885 1943260 643844 7.01 477253 1719970 164 00:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:35 ens3 2.56 0.26 0.67 0.19 0.00 0.00 0.00 0.00 01:00:44 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:44 ens3 1.85 0.63 0.71 0.39 0.00 0.00 0.00 0.00 01:10:44 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 01:10:44 ens3 10.54 7.53 28.11 2.22 0.00 0.00 0.00 0.00 01:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:25 ens3 1.19 0.14 0.24 0.13 0.00 0.00 0.00 0.00 01:30:44 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:44 ens3 1.43 0.31 3.42 0.12 0.00 0.00 0.00 0.00 01:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 0.89 0.30 0.14 1.48 0.00 0.00 0.00 0.00 01:50:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:44 ens3 0.44 0.18 0.04 0.89 0.00 0.00 0.00 0.00 02:00:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:25 ens3 0.33 0.02 0.03 0.01 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 2.41 1.17 4.17 0.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-59155) 09/27/26 _x86_64_ (2 CPU) 00:32:24 LINUX RESTART (2 CPU) 00:40:05 CPU %user %nice %system %iowait %steal %idle 00:50:35 all 0.30 0.00 0.08 0.01 0.00 99.60 00:50:35 0 0.08 0.00 0.11 0.01 0.00 99.80 00:50:35 1 0.52 0.00 0.06 0.00 0.00 99.41 01:00:44 all 1.09 0.00 0.24 0.03 0.00 98.63 01:00:44 0 1.63 0.00 0.28 0.06 0.00 98.02 01:00:44 1 0.55 0.00 0.19 0.01 0.00 99.24 01:10:44 all 4.59 0.00 0.65 0.17 0.01 94.59 01:10:44 0 5.09 0.00 0.65 0.29 0.01 93.97 01:10:44 1 4.09 0.00 0.64 0.06 0.01 95.21 01:20:25 all 0.27 0.00 0.07 0.01 0.00 99.65 01:20:25 0 0.48 0.00 0.04 0.01 0.00 99.47 01:20:25 1 0.06 0.00 0.10 0.01 0.00 99.83 01:30:44 all 0.41 0.00 0.20 0.02 0.00 99.37 01:30:44 0 0.58 0.00 0.22 0.03 0.00 99.16 01:30:44 1 0.23 0.00 0.18 0.02 0.00 99.57 01:40:15 all 0.24 0.00 0.07 0.01 0.00 99.68 01:40:15 0 0.06 0.00 0.08 0.01 0.00 99.85 01:40:15 1 0.41 0.00 0.06 0.01 0.00 99.51 01:50:44 all 0.13 0.00 0.06 0.01 0.00 99.80 01:50:44 0 0.07 0.00 0.07 0.01 0.00 99.85 01:50:44 1 0.18 0.00 0.06 0.01 0.00 99.75 02:00:25 all 0.26 0.00 0.17 0.04 0.00 99.53 02:00:25 0 0.07 0.00 0.19 0.08 0.00 99.67 02:00:25 1 0.45 0.00 0.16 0.00 0.00 99.39 Average: all 0.91 0.00 0.19 0.04 0.00 98.86 Average: 0 1.01 0.00 0.20 0.06 0.00 98.72 Average: 1 0.81 0.00 0.18 0.01 0.00 98.99