---> uname -a: Linux prd-queue-disttest-2c-1g-64636 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: 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 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 796 5283 4 2155 7145 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:c0:78:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82344sec preferred_lft 82344sec inet6 fe80::f816:3eff:fec0:7813/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-146-generic (prd-queue-disttest-2c-1g-64636) 10/13/26 _x86_64_ (2 CPU) 00:55:46 LINUX RESTART (2 CPU) 01:00:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:12 3.41 0.34 2.77 0.29 44.32 238.79 64.39 01:20:18 2.48 0.01 2.24 0.23 0.07 71.85 52.13 01:30:18 1.83 0.00 1.80 0.03 0.00 21.53 0.31 01:40:18 1.46 0.00 1.46 0.00 0.00 17.53 0.00 01:50:18 1.45 0.00 1.45 0.00 0.00 17.89 0.00 02:00:18 1.90 0.00 1.88 0.02 0.00 23.07 0.23 Average: 2.09 0.06 1.93 0.09 7.32 64.82 19.49 01:00:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:12 5496772 7416464 361756 4.45 92452 1997940 875376 9.53 568972 1786108 220 01:20:18 5480100 7401204 376672 4.63 93476 1998276 876772 9.55 570080 1787464 292 01:30:18 5492436 7414196 363652 4.47 93672 1998736 876920 9.55 570172 1787988 244 01:40:18 5492432 7414692 363156 4.47 93840 1999068 876928 9.55 570188 1788488 348 01:50:18 5492432 7415196 362656 4.46 94004 1999400 876928 9.55 570192 1788992 340 02:00:18 5475968 7399232 378620 4.66 94184 1999732 876992 9.55 570284 1789496 196 Average: 5488357 7410164 367752 4.52 93605 1998859 876653 9.55 569981 1788089 273 01:00:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:12 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:10:12 ens3 4.56 0.93 4.44 0.48 0.00 0.00 0.00 0.00 01:20:18 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 01:20:18 ens3 3.23 0.82 1.14 0.59 0.00 0.00 0.00 0.00 01:30:18 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 01:30:18 ens3 1.38 0.08 0.17 0.03 0.00 0.00 0.00 0.00 01:40:18 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 01:40:18 ens3 0.47 0.07 0.05 0.02 0.00 0.00 0.00 0.00 01:50:18 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 01:50:18 ens3 0.41 0.06 0.05 0.02 0.00 0.00 0.00 0.00 02:00:18 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 02:00:18 ens3 0.32 0.05 0.03 0.01 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 1.73 0.33 0.97 0.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-146-generic (prd-queue-disttest-2c-1g-64636) 10/13/26 _x86_64_ (2 CPU) 00:55:46 LINUX RESTART (2 CPU) 01:00:18 CPU %user %nice %system %iowait %steal %idle 01:10:12 all 1.27 0.00 0.21 0.05 0.00 98.46 01:10:12 0 1.96 0.00 0.26 0.08 0.01 97.70 01:10:12 1 0.58 0.00 0.17 0.03 0.00 99.23 01:20:18 all 1.01 0.00 0.18 0.03 0.00 98.78 01:20:18 0 1.76 0.00 0.14 0.02 0.00 98.07 01:20:18 1 0.25 0.00 0.21 0.05 0.00 99.49 01:30:18 all 0.28 0.00 0.15 0.01 0.00 99.55 01:30:18 0 0.49 0.00 0.14 0.01 0.00 99.37 01:30:18 1 0.07 0.00 0.17 0.01 0.00 99.74 01:40:18 all 0.25 0.00 0.07 0.01 0.00 99.67 01:40:18 0 0.44 0.00 0.05 0.01 0.00 99.50 01:40:18 1 0.06 0.00 0.08 0.01 0.00 99.84 01:50:18 all 0.26 0.00 0.07 0.01 0.00 99.66 01:50:18 0 0.47 0.00 0.05 0.01 0.00 99.47 01:50:18 1 0.05 0.00 0.09 0.01 0.00 99.85 02:00:18 all 0.27 0.00 0.20 0.02 0.00 99.52 02:00:18 0 0.44 0.00 0.18 0.01 0.00 99.37 02:00:18 1 0.09 0.00 0.22 0.02 0.00 99.67 Average: all 0.55 0.00 0.15 0.02 0.00 99.27 Average: 0 0.93 0.00 0.13 0.02 0.00 98.91 Average: 1 0.18 0.00 0.16 0.02 0.00 99.64