---> uname -a: Linux prd-queue-disttest-2c-1g-703 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 709 5428 4 2093 7232 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:03:fd:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80678sec preferred_lft 80678sec inet6 fe80::f816:3eff:fe03:fd0c/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-703) 09/06/26 _x86_64_ (2 CPU) 00:32:49 LINUX RESTART (2 CPU) 00:40:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:10 1.26 0.01 1.25 0.00 0.06 15.49 0.01 01:00:01 1.50 0.00 1.49 0.01 0.00 17.56 663.99 01:10:20 8.70 0.38 6.73 1.59 32.53 547.04 5517.10 01:20:30 1.22 0.00 1.20 0.02 0.01 15.02 0.14 01:30:01 1.46 0.00 1.43 0.03 0.00 17.47 0.66 01:40:30 1.31 0.00 1.29 0.01 0.00 15.88 0.11 01:50:20 1.25 0.00 1.25 0.00 0.00 14.79 0.00 02:00:01 1.42 0.00 1.40 0.02 0.00 17.36 7.27 Average: 2.30 0.05 2.03 0.22 4.23 85.06 798.89 00:40:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:10 5637580 7478500 306440 3.77 63428 1954204 736624 8.02 486764 1723440 216 01:00:01 5641736 7483180 301784 3.71 63604 1954532 736688 8.02 486828 1723952 272 01:10:20 5625540 7476180 306024 3.76 73184 1951732 739068 8.05 495176 1725084 140 01:20:30 5631744 7482968 299228 3.68 73316 1952188 739264 8.05 495488 1725544 132 01:30:01 5625472 7477204 304968 3.75 73472 1952516 739296 8.05 495324 1726028 240 01:40:30 5629784 7482004 300200 3.69 73624 1952852 739360 8.05 495676 1726516 140 01:50:20 5630944 7483604 298596 3.67 73736 1953176 739360 8.05 495544 1726952 172 02:00:01 5622028 7475184 306940 3.77 73880 1953508 739360 8.05 495428 1727424 276 Average: 5630604 7479853 303022 3.73 71030 1953088 738628 8.05 493278 1725618 198 00:40:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:10 ens3 2.56 0.25 0.47 0.20 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.58 0.08 0.08 0.04 0.00 0.00 0.00 0.00 01:10:20 lo 1.15 1.15 0.07 0.07 0.00 0.00 0.00 0.00 01:10:20 ens3 10.64 6.72 26.92 2.07 0.00 0.00 0.00 0.00 01:20:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:30 ens3 2.43 0.21 0.64 0.14 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.64 0.06 0.09 0.04 0.00 0.00 0.00 0.00 01:40:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:30 ens3 0.71 0.10 0.28 0.06 0.00 0.00 0.00 0.00 01:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:20 ens3 0.40 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.40 0.06 0.07 0.03 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.34 0.97 3.70 0.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-703) 09/06/26 _x86_64_ (2 CPU) 00:32:49 LINUX RESTART (2 CPU) 00:40:30 CPU %user %nice %system %iowait %steal %idle 00:50:10 all 0.27 0.00 0.10 0.01 0.01 99.62 00:50:10 0 0.42 0.00 0.08 0.01 0.00 99.48 00:50:10 1 0.12 0.00 0.12 0.00 0.01 99.75 01:00:01 all 0.31 0.00 0.16 0.01 0.01 99.52 01:00:01 0 0.39 0.00 0.15 0.01 0.00 99.46 01:00:01 1 0.23 0.00 0.17 0.01 0.01 99.57 01:10:20 all 5.52 0.00 0.78 0.18 0.01 93.51 01:10:20 0 5.76 0.00 0.79 0.31 0.01 93.13 01:10:20 1 5.27 0.00 0.77 0.06 0.00 93.89 01:20:30 all 0.26 0.00 0.10 0.01 0.01 99.63 01:20:30 0 0.46 0.00 0.07 0.01 0.00 99.46 01:20:30 1 0.07 0.00 0.12 0.00 0.01 99.79 01:30:01 all 0.26 0.00 0.17 0.01 0.00 99.56 01:30:01 0 0.45 0.00 0.14 0.02 0.00 99.40 01:30:01 1 0.07 0.00 0.20 0.00 0.00 99.72 01:40:30 all 0.25 0.00 0.08 0.01 0.00 99.66 01:40:30 0 0.18 0.00 0.09 0.01 0.00 99.72 01:40:30 1 0.32 0.00 0.06 0.01 0.00 99.61 01:50:20 all 0.27 0.00 0.08 0.01 0.00 99.64 01:50:20 0 0.30 0.00 0.08 0.01 0.00 99.61 01:50:20 1 0.24 0.00 0.07 0.01 0.01 99.67 02:00:01 all 0.28 0.00 0.17 0.01 0.00 99.54 02:00:01 0 0.07 0.00 0.19 0.01 0.01 99.71 02:00:01 1 0.48 0.00 0.15 0.01 0.00 99.36 Average: all 0.95 0.00 0.21 0.03 0.00 98.80 Average: 0 1.03 0.00 0.20 0.05 0.00 98.72 Average: 1 0.88 0.00 0.21 0.01 0.01 98.89