---> uname -a: Linux prd-queue-disttest-2c-1g-62737 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: 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 8.0G 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 793 5283 4 2159 7148 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:fc:12:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80799sec preferred_lft 80799sec inet6 fe80::f816:3eff:fefc:129f/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-62737) 10/08/26 _x86_64_ (2 CPU) 00:34:48 LINUX RESTART (2 CPU) 00:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:14 15.14 0.01 1.47 13.67 0.20 18.22 105006.69 01:00:14 2.82 0.00 2.54 0.28 0.00 144.15 63.72 01:10:20 2.44 0.00 2.23 0.21 0.00 71.10 191.17 01:20:20 2.75 0.00 2.52 0.23 0.01 74.96 392.43 01:30:20 1.55 0.00 1.52 0.04 0.00 19.23 0.36 01:40:14 7.46 0.42 5.80 1.25 36.74 421.53 7460.47 01:50:20 1.46 0.00 1.46 0.00 0.00 17.91 0.00 02:00:20 1.60 0.00 1.58 0.02 0.00 20.28 0.60 Average: 4.42 0.05 2.38 1.98 4.56 97.75 14303.01 00:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:14 5482080 7392008 386872 4.76 91316 1989952 872332 9.50 566112 1776456 196 01:00:14 5471560 7390808 387456 4.76 92580 1997632 873444 9.51 567080 1785400 256 01:10:20 5486488 7407116 371164 4.56 93436 1998096 874840 9.53 568520 1786584 280 01:20:20 5489216 7411148 366944 4.51 94344 1998428 876052 9.54 569804 1787832 180 01:30:20 5483328 7405796 372296 4.58 94544 1998756 876052 9.54 569644 1788364 272 01:40:14 5461588 7375532 400180 4.92 100044 1982652 876644 9.55 578096 1771168 184 01:50:20 5462776 7377320 398392 4.90 100188 1983112 876772 9.55 578056 1771644 136 02:00:20 5465676 7380752 394972 4.86 100356 1983452 876844 9.55 578296 1772152 140 Average: 5475339 7392560 384784 4.73 95851 1991510 875372 9.53 571951 1779950 206 00:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:14 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 00:50:14 ens3 1.92 0.10 0.23 0.05 0.00 0.00 0.00 0.00 01:00:14 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 01:00:14 ens3 1.34 0.63 0.63 0.36 0.00 0.00 0.00 0.00 01:10:20 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 01:10:20 ens3 3.83 0.79 1.17 0.49 0.00 0.00 0.00 0.00 01:20:20 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 01:20:20 ens3 3.06 0.72 1.00 0.47 0.00 0.00 0.00 0.00 01:30:20 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 01:30:20 ens3 2.25 0.13 3.92 0.08 0.00 0.00 0.00 0.00 01:40:14 lo 1.26 1.26 0.07 0.07 0.00 0.00 0.00 0.00 01:40:14 ens3 9.23 7.19 27.61 3.99 0.00 0.00 0.00 0.00 01:50:20 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 01:50:20 ens3 0.99 0.20 0.43 0.15 0.00 0.00 0.00 0.00 02:00:20 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 02:00:20 ens3 1.56 0.25 0.37 0.20 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 3.01 1.24 4.38 0.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-146-generic (prd-queue-disttest-2c-1g-62737) 10/08/26 _x86_64_ (2 CPU) 00:34:48 LINUX RESTART (2 CPU) 00:40:04 CPU %user %nice %system %iowait %steal %idle 00:50:14 all 0.28 0.00 0.09 0.04 0.00 99.59 00:50:14 0 0.05 0.00 0.08 0.02 0.00 99.84 00:50:14 1 0.51 0.00 0.09 0.07 0.00 99.33 01:00:14 all 1.06 0.00 0.24 0.03 0.00 98.65 01:00:14 0 0.34 0.00 0.21 0.05 0.00 99.39 01:00:14 1 1.79 0.00 0.28 0.02 0.00 97.91 01:10:20 all 1.08 0.00 0.17 0.04 0.00 98.71 01:10:20 0 1.86 0.00 0.19 0.07 0.00 97.88 01:10:20 1 0.30 0.00 0.14 0.01 0.00 99.55 01:20:20 all 0.97 0.00 0.17 0.03 0.00 98.82 01:20:20 0 1.49 0.00 0.22 0.01 0.01 98.27 01:20:20 1 0.45 0.00 0.12 0.05 0.00 99.37 01:30:20 all 0.30 0.00 0.18 0.01 0.01 99.51 01:30:20 0 0.08 0.00 0.20 0.01 0.01 99.71 01:30:20 1 0.52 0.00 0.15 0.02 0.01 99.31 01:40:14 all 3.99 0.00 0.60 0.16 0.00 95.26 01:40:14 0 3.72 0.00 0.60 0.13 0.00 95.55 01:40:14 1 4.25 0.00 0.60 0.19 0.00 94.96 01:50:20 all 0.26 0.00 0.07 0.01 0.00 99.66 01:50:20 0 0.37 0.00 0.06 0.02 0.00 99.55 01:50:20 1 0.14 0.00 0.08 0.00 0.00 99.77 02:00:20 all 0.29 0.00 0.19 0.01 0.00 99.50 02:00:20 0 0.50 0.00 0.15 0.02 0.00 99.33 02:00:20 1 0.09 0.00 0.24 0.00 0.00 99.67 Average: all 1.02 0.00 0.21 0.04 0.00 98.72 Average: 0 1.05 0.00 0.21 0.04 0.00 98.70 Average: 1 1.00 0.00 0.21 0.04 0.00 98.74