---> uname -a: Linux prd-queue-disttest-2c-1g-65815 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: 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 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 787 5285 4 2162 7153 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:30:27:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80756sec preferred_lft 80756sec inet6 fe80::f816:3eff:fe30:2737/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-146-generic (prd-queue-disttest-2c-1g-65815) 10/19/26 _x86_64_ (2 CPU) 20:59:54 LINUX RESTART (2 CPU) 21:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:17 32.35 3.85 14.30 14.20 458.45 5627.63 104243.81 21:20:17 1.47 0.01 1.46 0.00 0.07 17.63 0.01 21:30:17 2.23 0.32 1.89 0.03 42.64 110.13 0.40 21:40:17 1.49 0.00 1.47 0.02 0.00 17.77 0.13 21:50:17 1.47 0.00 1.46 0.01 0.00 17.28 0.12 22:00:17 1.64 0.00 1.61 0.03 0.00 20.27 0.41 22:10:17 1.47 0.00 1.45 0.02 0.00 17.64 0.13 22:20:17 1.48 0.00 1.46 0.02 0.00 17.83 0.13 22:30:09 1.66 0.00 1.63 0.03 0.00 20.27 0.35 Average: 5.12 0.47 3.01 1.63 56.96 667.53 11874.96 21:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:17 5527212 7399284 380192 4.67 91104 1952260 672048 7.32 553244 1748696 148 21:20:17 5534296 7406992 372284 4.58 91272 1952720 672044 7.32 553348 1749196 180 21:30:17 5484144 7396692 381764 4.69 91584 1991904 876080 9.54 571688 1778484 224 21:40:17 5482968 7396024 382488 4.70 91760 1992232 876144 9.54 571676 1778988 144 21:50:17 5490316 7403888 374624 4.61 91932 1992568 876144 9.54 571712 1779496 156 22:00:17 5492664 7406796 371636 4.57 92144 1992900 876272 9.54 571992 1780040 212 22:10:17 5492188 7406824 371596 4.57 92316 1993224 876280 9.54 571936 1780536 148 22:20:17 5490580 7405860 372564 4.58 92504 1993684 876344 9.55 572156 1781044 212 22:30:09 5491128 7406936 371420 4.57 92680 1994016 876556 9.55 572448 1781564 140 Average: 5498388 7403255 375396 4.62 91922 1983945 830879 9.05 567800 1773116 174 21:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:17 lo 1.29 1.29 0.07 0.07 0.00 0.00 0.00 0.00 21:10:17 ens3 33.40 22.93 216.28 4.07 0.00 0.00 0.00 0.00 21:20:17 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 21:20:17 ens3 2.21 0.06 0.22 0.02 0.00 0.00 0.00 0.00 21:30:17 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 21:30:17 ens3 0.63 0.24 3.35 0.03 0.00 0.00 0.00 0.00 21:40:17 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 21:40:17 ens3 0.71 0.08 3.56 0.02 0.00 0.00 0.00 0.00 21:50:17 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 21:50:17 ens3 0.18 0.06 0.03 0.02 0.00 0.00 0.00 0.00 22:00:17 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 22:00:17 ens3 0.17 0.06 0.03 0.02 0.00 0.00 0.00 0.00 22:10:17 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 22:10:17 ens3 0.29 0.08 0.07 0.04 0.00 0.00 0.00 0.00 22:20:17 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 22:20:17 ens3 0.18 0.07 0.04 0.02 0.00 0.00 0.00 0.00 22:30:09 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 22:30:09 ens3 0.21 0.08 0.05 0.03 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 4.31 2.69 25.45 0.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-146-generic (prd-queue-disttest-2c-1g-65815) 10/19/26 _x86_64_ (2 CPU) 20:59:54 LINUX RESTART (2 CPU) 21:00:00 CPU %user %nice %system %iowait %steal %idle 21:10:17 all 4.63 0.00 1.14 0.58 0.01 93.64 21:10:17 0 4.57 0.00 1.16 0.41 0.01 93.85 21:10:17 1 4.69 0.00 1.13 0.75 0.01 93.42 21:20:17 all 0.24 0.00 0.09 0.01 0.00 99.65 21:20:17 0 0.43 0.00 0.08 0.00 0.00 99.49 21:20:17 1 0.06 0.00 0.10 0.01 0.00 99.82 21:30:17 all 0.42 0.00 0.19 0.03 0.00 99.36 21:30:17 0 0.52 0.00 0.16 0.01 0.00 99.32 21:30:17 1 0.32 0.00 0.23 0.05 0.00 99.40 21:40:17 all 0.25 0.00 0.07 0.01 0.00 99.67 21:40:17 0 0.47 0.00 0.04 0.01 0.00 99.47 21:40:17 1 0.04 0.00 0.09 0.00 0.00 99.86 21:50:17 all 0.22 0.00 0.07 0.01 0.00 99.70 21:50:17 0 0.39 0.00 0.05 0.02 0.00 99.54 21:50:17 1 0.04 0.00 0.09 0.00 0.00 99.86 22:00:17 all 0.26 0.00 0.15 0.01 0.00 99.58 22:00:17 0 0.30 0.00 0.14 0.02 0.00 99.54 22:00:17 1 0.23 0.00 0.15 0.00 0.00 99.62 22:10:17 all 0.27 0.00 0.07 0.01 0.00 99.66 22:10:17 0 0.35 0.00 0.05 0.01 0.00 99.59 22:10:17 1 0.19 0.00 0.09 0.00 0.00 99.72 22:20:17 all 0.25 0.00 0.06 0.01 0.00 99.68 22:20:17 0 0.45 0.00 0.04 0.01 0.00 99.50 22:20:17 1 0.05 0.00 0.09 0.01 0.00 99.85 22:30:09 all 0.24 0.00 0.17 0.01 0.00 99.58 22:30:09 0 0.39 0.00 0.13 0.01 0.00 99.46 22:30:09 1 0.10 0.00 0.20 0.00 0.00 99.69 Average: all 0.77 0.00 0.23 0.08 0.00 98.93 Average: 0 0.89 0.00 0.21 0.06 0.00 98.85 Average: 1 0.65 0.00 0.24 0.10 0.00 99.01