---> uname -a: Linux prd-queue-disttest-2c-1g-15615 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 nrip_save 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 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 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 7.8G 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 691 5517 4 2017 7250 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:59:69:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82632sec preferred_lft 82632sec inet6 fe80::f816:3eff:fe59:693e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-15615) 05/16/26 _x86_64_ (2 CPU) 00:32:24 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:13 1.44 0.01 1.43 0.01 0.05 17.23 0.47 01:00:01 14.79 0.00 1.57 13.22 0.15 19.20 110121.79 01:10:01 1.30 0.00 1.29 0.02 0.00 15.54 1.09 01:20:15 1.89 0.25 1.62 0.03 30.27 73.88 1.42 01:30:11 1.64 0.01 1.59 0.04 1.06 19.88 1.49 Average: 4.15 0.05 1.50 2.60 6.43 29.37 21495.42 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:13 5783620 7506636 284100 3.49 61752 1841524 535724 5.84 467364 1620644 200 01:00:01 5783408 7507000 283676 3.49 61940 1841892 535788 5.84 467520 1621180 240 01:10:01 5789552 7513664 277076 3.41 62132 1842220 535964 5.84 467588 1621700 240 01:20:15 5737524 7488236 302152 3.72 62464 1868208 730768 7.96 482272 1639256 124 01:30:11 5752436 7504112 286304 3.52 62640 1868976 536032 5.84 476968 1639760 232 Average: 5769308 7503930 286662 3.52 62186 1852564 574855 6.26 472342 1628508 207 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:13 ens3 3.46 0.18 0.55 0.16 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 0.56 0.08 0.08 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.39 0.06 0.85 0.03 0.00 0.00 0.00 0.00 01:20:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 0.83 0.25 3.37 0.11 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.27 0.04 0.07 0.03 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.11 0.12 1.00 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-15615) 05/16/26 _x86_64_ (2 CPU) 00:32:24 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:13 all 0.26 0.00 0.08 0.01 0.02 99.63 00:50:13 0 0.07 0.00 0.09 0.00 0.02 99.81 00:50:13 1 0.45 0.00 0.07 0.01 0.01 99.45 01:00:01 all 0.28 0.00 0.17 0.03 0.02 99.50 01:00:01 0 0.09 0.00 0.20 0.05 0.02 99.64 01:00:01 1 0.47 0.00 0.15 0.01 0.01 99.36 01:10:01 all 0.23 0.00 0.07 0.01 0.02 99.67 01:10:01 0 0.05 0.00 0.09 0.01 0.03 99.82 01:10:01 1 0.42 0.00 0.05 0.01 0.02 99.51 01:20:15 all 0.38 0.00 0.10 0.02 0.02 99.48 01:20:15 0 0.23 0.00 0.13 0.01 0.03 99.61 01:20:15 1 0.53 0.00 0.07 0.02 0.02 99.36 01:30:11 all 0.27 0.00 0.17 0.01 0.03 99.52 01:30:11 0 0.42 0.00 0.14 0.00 0.02 99.43 01:30:11 1 0.13 0.00 0.20 0.02 0.04 99.62 Average: all 0.29 0.00 0.12 0.01 0.02 99.56 Average: 0 0.17 0.00 0.13 0.02 0.02 99.66 Average: 1 0.40 0.00 0.11 0.01 0.02 99.46