---> uname -a: Linux prd-queue-disttest-2c-1g-47299 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 8.2G 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 747 4999 4 2506 7194 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:19:7b:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80702sec preferred_lft 80702sec inet6 fe80::f816:3eff:fe19:7ba5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-47299) 09/04/26 _x86_64_ (2 CPU) 02:16:47 LINUX RESTART (2 CPU) 02:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:09 1.84 0.02 1.79 0.03 1.24 49.59 0.44 02:40:09 1.95 0.33 1.60 0.03 43.15 106.80 0.55 02:50:03 1.10 0.00 1.08 0.02 0.00 14.40 0.40 03:00:09 1.38 0.00 1.35 0.03 0.00 17.44 0.78 03:10:09 1.46 0.00 1.44 0.02 0.00 17.31 0.40 03:20:03 1.31 0.00 1.30 0.02 0.00 15.86 0.40 03:30:09 1.64 0.00 1.60 0.03 0.00 19.88 0.78 03:40:03 1.32 0.00 1.30 0.02 0.00 16.56 0.44 03:50:09 1.79 0.00 1.37 0.41 0.12 26.70 268.70 Average: 1.53 0.04 1.43 0.07 4.95 31.63 30.62 02:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:09 5246288 7459880 294624 3.62 98472 2263292 535392 5.83 470524 2072640 172 02:40:09 5181680 7435428 318252 3.91 98932 2301992 745456 8.12 491584 2101716 168 02:50:03 5186792 7441032 312648 3.84 99080 2302316 745604 8.12 491652 2102188 220 03:00:09 5174520 7429308 324380 3.99 99240 2302640 745600 8.12 491700 2102672 184 03:10:09 5174520 7429976 323648 3.98 99424 2303112 745604 8.12 491868 2103192 160 03:20:03 5182584 7438568 315108 3.87 99608 2303432 745656 8.12 491824 2103704 192 03:30:09 5187196 7443728 309912 3.81 99792 2303756 745664 8.12 491820 2104208 172 03:40:03 5192204 7449296 304344 3.74 100016 2304072 745672 8.12 491824 2104752 192 03:50:09 5154388 7399024 354584 4.36 100336 2291856 791440 8.62 537008 2092848 6964 Average: 5186686 7436249 317500 3.90 99433 2297385 727343 7.92 494423 2098658 936 02:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 4.00 0.31 0.74 0.24 0.00 0.00 0.00 0.00 02:40:09 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 8.98 4.53 7.66 5.86 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.75 0.14 0.18 0.10 0.00 0.00 0.00 0.00 03:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:09 ens3 0.46 0.08 0.08 0.04 0.00 0.00 0.00 0.00 03:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:09 ens3 0.27 0.06 0.04 0.02 0.00 0.00 0.00 0.00 03:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:03 ens3 0.28 0.06 0.06 0.03 0.00 0.00 0.00 0.00 03:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:09 ens3 0.43 0.10 0.11 0.07 0.00 0.00 0.00 0.00 03:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:03 ens3 0.32 0.07 0.07 0.04 0.00 0.00 0.00 0.00 03:50:09 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 03:50:09 ens3 1.69 1.27 2.89 3.38 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 1.91 0.74 1.32 1.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-47299) 09/04/26 _x86_64_ (2 CPU) 02:16:47 LINUX RESTART (2 CPU) 02:20:09 CPU %user %nice %system %iowait %steal %idle 02:30:09 all 0.33 0.00 0.19 0.02 0.01 99.45 02:30:09 0 0.51 0.00 0.14 0.02 0.01 99.33 02:30:09 1 0.16 0.00 0.24 0.01 0.01 99.58 02:40:09 all 0.69 0.00 0.17 0.03 0.01 99.11 02:40:09 0 0.77 0.00 0.21 0.05 0.01 98.97 02:40:09 1 0.60 0.00 0.14 0.01 0.01 99.25 02:50:03 all 0.28 0.00 0.09 0.01 0.01 99.62 02:50:03 0 0.08 0.00 0.10 0.01 0.01 99.80 02:50:03 1 0.47 0.00 0.07 0.01 0.01 99.45 03:00:09 all 0.30 0.00 0.20 0.01 0.01 99.48 03:00:09 0 0.09 0.00 0.20 0.01 0.01 99.70 03:00:09 1 0.51 0.00 0.21 0.01 0.01 99.27 03:10:09 all 0.25 0.00 0.11 0.01 0.01 99.62 03:10:09 0 0.06 0.00 0.12 0.01 0.01 99.80 03:10:09 1 0.44 0.00 0.10 0.02 0.01 99.43 03:20:03 all 0.27 0.00 0.10 0.01 0.01 99.62 03:20:03 0 0.16 0.00 0.10 0.01 0.01 99.73 03:20:03 1 0.39 0.00 0.10 0.01 0.01 99.50 03:30:09 all 0.30 0.00 0.19 0.01 0.01 99.49 03:30:09 0 0.31 0.00 0.18 0.00 0.00 99.50 03:30:09 1 0.30 0.00 0.20 0.02 0.01 99.49 03:40:03 all 0.24 0.00 0.09 0.01 0.01 99.65 03:40:03 0 0.42 0.00 0.08 0.01 0.01 99.48 03:40:03 1 0.06 0.00 0.11 0.01 0.01 99.82 03:50:09 all 0.69 0.00 0.17 0.01 0.00 99.13 03:50:09 0 0.52 0.00 0.11 0.01 0.00 99.36 03:50:09 1 0.86 0.00 0.23 0.02 0.00 98.89 Average: all 0.37 0.00 0.15 0.01 0.01 99.46 Average: 0 0.32 0.00 0.14 0.01 0.01 99.52 Average: 1 0.42 0.00 0.16 0.01 0.01 99.41