---> uname -a: Linux prd-queue-disttest-2c-1g-6924 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 5416 4 2094 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:6b:d5:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82501sec preferred_lft 82501sec inet6 fe80::f816:3eff:fe6b:d542/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-6924) 09/11/26 _x86_64_ (2 CPU) 00:32:51 LINUX RESTART (2 CPU) 00:40:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:34 1.20 0.01 1.20 0.00 0.05 14.99 0.04 01:00:01 2.61 0.00 2.35 0.26 0.00 151.21 432.65 01:10:24 7.54 0.38 5.81 1.35 32.29 421.02 3617.84 01:20:34 1.34 0.00 1.32 0.02 0.01 16.01 0.37 01:30:14 2.19 0.34 1.81 0.04 44.58 103.59 1.09 Average: 3.01 0.15 2.52 0.34 15.39 142.84 836.48 00:40:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:34 5694460 7495904 290020 3.57 62988 1915908 536060 5.84 466552 1695068 144 01:00:01 5680232 7491400 294160 3.62 64924 1923464 537428 5.85 467872 1704568 296 01:10:24 5672168 7483132 299856 3.69 72580 1913380 538904 5.87 475344 1696492 132 01:20:34 5675516 7486976 296004 3.64 72740 1913708 539136 5.87 475452 1696980 120 01:30:14 5599680 7450996 331104 4.07 73180 1952652 732376 7.98 493440 1726152 2340 Average: 5664411 7481682 302229 3.72 69282 1923822 576781 6.28 475732 1703852 606 00:40:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:34 ens3 2.97 0.18 0.48 0.16 0.00 0.00 0.00 0.00 01:00:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 2.30 0.67 0.87 0.41 0.00 0.00 0.00 0.00 01:10:24 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:10:24 ens3 10.72 7.21 26.69 1.96 0.00 0.00 0.00 0.00 01:20:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:34 ens3 0.76 0.08 0.12 0.05 0.00 0.00 0.00 0.00 01:30:14 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:14 ens3 1.16 0.35 10.79 0.06 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.65 1.75 7.94 0.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-6924) 09/11/26 _x86_64_ (2 CPU) 00:32:51 LINUX RESTART (2 CPU) 00:40:24 CPU %user %nice %system %iowait %steal %idle 00:50:34 all 0.28 0.00 0.09 0.01 0.01 99.61 00:50:34 0 0.40 0.00 0.08 0.00 0.01 99.51 00:50:34 1 0.16 0.00 0.09 0.02 0.02 99.71 01:00:01 all 1.13 0.00 0.27 0.04 0.01 98.55 01:00:01 0 0.61 0.00 0.24 0.01 0.01 99.13 01:00:01 1 1.66 0.00 0.29 0.07 0.01 97.97 01:10:24 all 4.48 0.00 0.65 0.14 0.01 94.72 01:10:24 0 3.88 0.00 0.59 0.04 0.01 95.48 01:10:24 1 5.08 0.00 0.70 0.24 0.02 93.97 01:20:34 all 0.27 0.00 0.08 0.01 0.01 99.64 01:20:34 0 0.47 0.00 0.06 0.01 0.01 99.46 01:20:34 1 0.06 0.00 0.10 0.00 0.01 99.82 01:30:14 all 0.44 0.00 0.22 0.02 0.01 99.31 01:30:14 0 0.65 0.00 0.23 0.04 0.01 99.08 01:30:14 1 0.24 0.00 0.21 0.01 0.02 99.54 Average: all 1.35 0.00 0.26 0.04 0.01 98.34 Average: 0 1.23 0.00 0.24 0.02 0.01 98.50 Average: 1 1.46 0.00 0.28 0.07 0.01 98.17