---> uname -a: Linux prd-queue-disttest-2c-1g-58038 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 744 5376 4 2108 7197 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:52:91:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79363sec preferred_lft 79363sec inet6 fe80::f816:3eff:fe52:917d/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-58038) 09/25/26 _x86_64_ (2 CPU) 00:35:25 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:20 1.28 0.02 1.25 0.00 1.20 15.32 0.08 01:00:20 2.71 0.01 2.46 0.24 0.05 145.97 854.57 01:10:01 8.11 0.45 6.18 1.48 38.13 477.93 5703.17 01:20:20 1.20 0.00 1.18 0.02 0.01 14.66 0.19 01:30:20 1.48 0.00 1.45 0.04 0.00 18.36 0.95 01:40:01 1.98 0.34 1.62 0.03 44.55 108.55 0.32 01:50:20 14.47 0.00 1.35 13.12 0.14 15.71 103959.42 02:00:20 1.77 0.01 1.74 0.03 0.11 20.69 631.20 02:10:01 1.35 0.00 1.33 0.02 0.00 15.54 0.14 02:20:00 1.82 0.01 1.46 0.35 0.12 20.99 894.03 02:30:20 4.65 0.00 4.07 0.59 0.00 186.25 689.16 Average: 3.73 0.07 2.18 1.48 7.40 93.22 10512.42 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:20 5709088 7516924 269004 3.31 63016 1921872 527336 5.74 461268 1701160 124 01:00:20 5666612 7484252 301208 3.70 64992 1929500 527564 5.75 462008 1710764 148 01:10:01 5689192 7508620 274156 3.37 72552 1921472 528972 5.76 470660 1703712 124 01:20:20 5689192 7509120 273648 3.36 72724 1921800 529036 5.76 470424 1704208 188 01:30:20 5661848 7482380 300368 3.69 72856 1922252 540328 5.89 481548 1704668 124 01:40:01 5604252 7464576 317312 3.90 73300 1961124 733976 7.99 499660 1733900 240 01:50:20 5618140 7479016 302864 3.72 73460 1961500 733976 7.99 499716 1734408 204 02:00:20 5606532 7467980 313860 3.86 73636 1961864 733976 7.99 499684 1734948 124 02:10:01 5607308 7469344 312488 3.84 73768 1962316 733976 7.99 499840 1735404 240 02:20:00 5605360 7452600 329476 4.05 74020 1947512 734992 8.01 500592 1720852 776 02:30:20 5607884 7468172 313200 3.85 79848 1954104 733860 7.99 500152 1733272 176 Average: 5642310 7482089 300689 3.70 72197 1942301 641636 6.99 485959 1719754 224 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:20 ens3 2.28 0.07 0.29 0.05 0.00 0.00 0.00 0.00 01:00:20 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:20 ens3 1.49 0.68 0.71 0.38 0.00 0.00 0.00 0.00 01:10:01 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 01:10:01 ens3 11.10 7.89 29.08 2.39 0.00 0.00 0.00 0.00 01:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:20 ens3 2.39 0.26 0.51 0.22 0.00 0.00 0.00 0.00 01:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:20 ens3 1.89 0.64 16.81 2.52 0.00 0.00 0.00 0.00 01:40:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 2.54 0.37 26.91 0.17 0.00 0.00 0.00 0.00 01:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:20 ens3 0.39 0.09 0.10 0.06 0.00 0.00 0.00 0.00 02:00:20 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:20 ens3 0.46 0.06 0.05 0.02 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.21 0.05 0.05 0.03 0.00 0.00 0.00 0.00 02:20:00 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.59 0.40 0.59 0.12 0.00 0.00 0.00 0.00 02:30:20 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 02:30:20 ens3 5.74 4.75 10.95 1.40 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 2.63 1.37 7.67 0.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-58038) 09/25/26 _x86_64_ (2 CPU) 00:35:25 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:20 all 0.26 0.00 0.08 0.01 0.00 99.64 00:50:20 0 0.46 0.00 0.05 0.01 0.00 99.49 00:50:20 1 0.07 0.00 0.12 0.01 0.00 99.80 01:00:20 all 1.22 0.00 0.31 0.03 0.00 98.43 01:00:20 0 0.34 0.00 0.30 0.05 0.00 99.30 01:00:20 1 2.10 0.00 0.32 0.02 0.01 97.56 01:10:01 all 5.13 0.00 0.72 0.19 0.01 93.95 01:10:01 0 5.14 0.00 0.74 0.19 0.01 93.92 01:10:01 1 5.13 0.00 0.70 0.18 0.01 93.98 01:20:20 all 0.27 0.00 0.12 0.01 0.01 99.59 01:20:20 0 0.46 0.00 0.09 0.02 0.01 99.41 01:20:20 1 0.08 0.00 0.14 0.00 0.01 99.76 01:30:20 all 0.27 0.00 0.19 0.01 0.01 99.52 01:30:20 0 0.40 0.00 0.15 0.01 0.01 99.43 01:30:20 1 0.13 0.00 0.22 0.01 0.01 99.62 01:40:01 all 0.46 0.00 0.16 0.02 0.01 99.35 01:40:01 0 0.51 0.00 0.11 0.00 0.01 99.38 01:40:01 1 0.42 0.00 0.21 0.03 0.01 99.32 01:50:20 all 0.26 0.00 0.12 0.04 0.02 99.56 01:50:20 0 0.21 0.00 0.13 0.06 0.02 99.58 01:50:20 1 0.32 0.00 0.11 0.02 0.02 99.54 02:00:20 all 0.32 0.00 0.20 0.01 0.01 99.46 02:00:20 0 0.14 0.00 0.22 0.00 0.01 99.63 02:00:20 1 0.51 0.00 0.18 0.01 0.01 99.29 02:10:01 all 0.27 0.00 0.10 0.01 0.01 99.62 02:10:01 0 0.16 0.00 0.11 0.00 0.01 99.71 02:10:01 1 0.37 0.00 0.08 0.01 0.01 99.53 02:20:00 all 0.60 0.00 0.14 0.01 0.01 99.23 02:20:00 0 0.67 0.00 0.18 0.01 0.01 99.13 02:20:00 1 0.54 0.00 0.11 0.02 0.01 99.33 02:30:20 all 3.42 0.00 0.56 0.10 0.01 95.91 02:30:20 0 6.05 0.00 0.67 0.05 0.01 93.22 02:30:20 1 0.79 0.00 0.45 0.16 0.00 98.60 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.13 0.00 0.24 0.04 0.01 98.58 Average: 0 1.32 0.00 0.25 0.04 0.01 98.38 Average: 1 0.93 0.00 0.24 0.04 0.01 98.77