---> uname -a: Linux prd-queue-disttest-2c-1g-41869 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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 8.1G 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 737 5032 4 2484 7204 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:a7:c9:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80764sec preferred_lft 80764sec inet6 fe80::f816:3eff:fea7:c9c7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-41869) 08/28/26 _x86_64_ (2 CPU) 02:16:37 LINUX RESTART (2 CPU) 02:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:01 16.38 0.74 1.73 13.91 96.58 80.82 106615.41 02:40:12 1.24 0.01 1.21 0.02 0.05 15.16 1.70 02:50:01 1.26 0.00 1.24 0.02 0.00 14.98 1.76 03:00:01 1.41 0.00 1.38 0.03 0.00 17.13 1.79 03:10:12 1.31 0.00 1.29 0.02 0.00 15.82 1.70 03:20:01 1.22 0.00 1.20 0.02 0.00 14.72 1.77 03:30:01 1.46 0.00 1.43 0.03 0.00 17.90 1.96 03:40:12 1.29 0.00 1.28 0.02 0.00 15.76 1.70 03:50:01 3.60 0.00 2.86 0.74 0.07 108.39 645.84 Average: 3.24 0.08 1.51 1.64 10.75 33.23 11920.57 02:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 5214420 7445276 308528 3.79 92840 2284992 539828 5.88 427400 2133548 276 02:40:12 5214420 7445944 307508 3.78 93048 2285320 543600 5.92 431180 2134096 160 02:50:01 5229568 7461612 291828 3.59 93236 2285648 543676 5.92 431140 2134600 264 03:00:01 5227200 7459952 293472 3.61 93416 2286100 543676 5.92 431276 2135116 276 03:10:12 5231616 7464884 288540 3.55 93608 2286436 543676 5.92 431392 2135644 120 03:20:01 5231244 7465024 288404 3.55 93780 2286764 543676 5.92 431324 2136144 280 03:30:01 5225556 7459856 293540 3.61 93944 2287084 543740 5.92 431484 2136628 280 03:40:12 5234172 7468972 284416 3.50 94100 2287416 543740 5.92 431548 2137116 168 03:50:01 5198536 7421216 331908 4.08 95748 2273460 615072 6.70 468820 2124804 11276 Average: 5222970 7454748 298683 3.67 93747 2284802 551187 6.00 435063 2134188 1456 02:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 4.85 0.72 3.93 0.21 0.00 0.00 0.00 0.00 02:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:12 ens3 8.26 4.35 4.32 5.85 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.87 0.14 0.22 0.12 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.41 0.07 0.08 0.04 0.00 0.00 0.00 0.00 03:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:12 ens3 0.25 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.24 0.05 0.06 0.03 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.43 0.10 0.11 0.07 0.00 0.00 0.00 0.00 03:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:12 ens3 0.31 0.07 0.08 0.04 0.00 0.00 0.00 0.00 03:50:01 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 03:50:01 ens3 4.54 3.90 10.39 4.05 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.25 1.05 2.12 1.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-41869) 08/28/26 _x86_64_ (2 CPU) 02:16:37 LINUX RESTART (2 CPU) 02:20:01 CPU %user %nice %system %iowait %steal %idle 02:30:01 all 0.45 0.00 0.23 0.09 0.00 99.23 02:30:01 0 0.54 0.00 0.21 0.03 0.00 99.21 02:30:01 1 0.37 0.00 0.24 0.15 0.01 99.24 02:40:12 all 0.47 0.00 0.12 0.02 0.00 99.38 02:40:12 0 0.48 0.00 0.15 0.00 0.00 99.35 02:40:12 1 0.46 0.00 0.10 0.03 0.00 99.41 02:50:01 all 0.23 0.00 0.08 0.01 0.01 99.67 02:50:01 0 0.07 0.00 0.10 0.00 0.01 99.82 02:50:01 1 0.39 0.00 0.06 0.02 0.01 99.52 03:00:01 all 0.28 0.00 0.18 0.01 0.01 99.53 03:00:01 0 0.06 0.00 0.20 0.00 0.01 99.72 03:00:01 1 0.50 0.00 0.15 0.02 0.00 99.33 03:10:12 all 0.25 0.00 0.11 0.01 0.00 99.63 03:10:12 0 0.06 0.00 0.14 0.00 0.01 99.79 03:10:12 1 0.43 0.00 0.08 0.02 0.00 99.47 03:20:01 all 0.26 0.00 0.10 0.01 0.01 99.62 03:20:01 0 0.06 0.00 0.13 0.00 0.01 99.80 03:20:01 1 0.47 0.00 0.07 0.01 0.00 99.45 03:30:01 all 0.29 0.00 0.18 0.01 0.01 99.52 03:30:01 0 0.24 0.00 0.20 0.00 0.01 99.55 03:30:01 1 0.33 0.00 0.16 0.01 0.01 99.49 03:40:12 all 0.25 0.00 0.08 0.01 0.00 99.66 03:40:12 0 0.06 0.00 0.10 0.00 0.00 99.84 03:40:12 1 0.45 0.00 0.06 0.02 0.00 99.47 03:50:01 all 2.51 0.00 0.34 0.07 0.01 97.07 03:50:01 0 2.15 0.00 0.35 0.02 0.01 97.47 03:50:01 1 2.88 0.00 0.33 0.12 0.01 96.67 Average: all 0.55 0.00 0.16 0.03 0.01 99.26 Average: 0 0.41 0.00 0.18 0.01 0.01 99.40 Average: 1 0.69 0.00 0.14 0.04 0.00 99.12