---> uname -a: Linux prd-queue-disttest-2c-1g-2986 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 733 5402 4 2094 7208 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:48:a8:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82259sec preferred_lft 82259sec inet6 fe80::f816:3eff:fe48:a85a/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-2986) 09/08/26 _x86_64_ (2 CPU) 00:36:32 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 14.90 0.03 1.34 13.53 1.39 16.51 107442.40 01:00:00 2.76 0.01 2.50 0.25 0.05 150.66 1079.10 01:10:00 7.49 0.40 5.69 1.41 33.55 429.15 5620.56 01:20:00 1.31 0.00 1.29 0.02 0.01 15.89 0.72 01:30:00 1.58 0.00 1.54 0.04 0.00 19.05 8.36 01:40:00 1.93 0.33 1.58 0.03 43.09 105.07 0.89 Average: 4.99 0.13 2.32 2.54 13.02 122.72 19025.63 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 5687204 7488488 297416 3.66 63024 1915668 537464 5.85 463736 1694784 124 01:00:00 5676248 7487252 298204 3.67 65008 1923228 538724 5.87 465276 1704328 160 01:10:00 5670756 7481396 301484 3.71 72476 1913192 540196 5.88 472332 1696112 160 01:20:00 5670252 7481404 301468 3.71 72660 1913516 540196 5.88 472508 1696620 156 01:30:00 5665064 7476876 306004 3.76 72840 1913976 541820 5.90 473812 1697132 156 01:40:00 5633112 7484572 297312 3.66 73256 1952724 741272 8.07 490536 1726208 172 Average: 5667106 7483331 300315 3.69 69877 1922051 573279 6.24 473033 1702531 155 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 3.31 0.22 0.57 0.17 0.00 0.00 0.00 0.00 01:00:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 1.72 0.66 0.73 0.39 0.00 0.00 0.00 0.00 01:10:00 lo 1.15 1.15 0.07 0.07 0.00 0.00 0.00 0.00 01:10:00 ens3 12.10 6.55 27.71 1.90 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 1.18 0.09 0.15 0.05 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.51 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:40:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.68 0.33 3.34 0.06 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 3.25 1.32 5.43 0.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-2986) 09/08/26 _x86_64_ (2 CPU) 00:36:32 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 0.29 0.00 0.10 0.04 0.01 99.57 00:50:00 0 0.49 0.00 0.05 0.01 0.01 99.44 00:50:00 1 0.08 0.00 0.16 0.06 0.01 99.69 01:00:00 all 1.12 0.00 0.29 0.03 0.00 98.55 01:00:00 0 2.07 0.00 0.30 0.05 0.00 97.58 01:00:00 1 0.17 0.00 0.29 0.01 0.01 99.53 01:10:00 all 4.91 0.00 0.66 0.15 0.01 94.27 01:10:00 0 4.48 0.00 0.64 0.19 0.00 94.68 01:10:00 1 5.34 0.00 0.69 0.11 0.01 93.86 01:20:00 all 0.26 0.00 0.09 0.01 0.00 99.64 01:20:00 0 0.07 0.00 0.11 0.01 0.01 99.80 01:20:00 1 0.45 0.00 0.06 0.00 0.00 99.49 01:30:00 all 0.30 0.00 0.18 0.01 0.01 99.50 01:30:00 0 0.09 0.00 0.20 0.02 0.01 99.69 01:30:00 1 0.52 0.00 0.16 0.00 0.01 99.32 01:40:00 all 0.41 0.00 0.13 0.03 0.00 99.43 01:40:00 0 0.15 0.00 0.15 0.05 0.01 99.65 01:40:00 1 0.66 0.00 0.11 0.01 0.00 99.22 Average: all 1.21 0.00 0.24 0.04 0.00 98.49 Average: 0 1.23 0.00 0.24 0.05 0.00 98.47 Average: 1 1.20 0.00 0.24 0.03 0.01 98.52