---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30625 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: 5599.86 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 8.1G 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 869 4957 4 2408 7072 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:fb:e3:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81990sec preferred_lft 81990sec inet6 fe80::f816:3eff:fefb:e363/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30625) 06/26/26 _x86_64_ (2 CPU) 01:49:08 LINUX RESTART (2 CPU) 01:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:42 18.30 1.56 14.64 2.10 121.37 2876.04 607.54 02:10:01 1.35 0.01 1.30 0.04 0.27 91.93 2.13 02:20:02 1.38 0.00 1.32 0.05 0.15 60.75 397.07 02:30:12 1.71 0.00 1.65 0.05 0.00 56.71 2.30 02:40:02 1.40 0.00 1.35 0.06 0.00 22.72 807.98 02:50:02 1.78 0.25 1.49 0.04 30.94 82.48 1.92 03:00:42 1.60 0.01 1.55 0.03 1.32 51.15 1.59 Average: 4.04 0.27 3.42 0.35 22.80 481.59 260.84 01:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:42 5214084 7390020 377444 4.64 85848 2250948 673948 7.34 594764 2021672 212 02:10:01 5148724 7346312 421008 5.18 86048 2272380 723856 7.88 636648 2043320 124 02:20:02 5125588 7337372 429776 5.28 86284 2286184 731996 7.97 645076 2057360 324 02:30:12 5101408 7324572 442364 5.44 86480 2297204 707752 7.71 645220 2068576 172 02:40:02 5101156 7326456 440456 5.42 86684 2299112 723112 7.88 644268 2070688 124 02:50:02 5062472 7316792 449604 5.53 87052 2327408 921260 10.03 658868 2090460 236 03:00:42 5181520 7449908 316348 3.89 87288 2341028 568392 6.19 549748 2103896 3568 Average: 5133565 7355919 411000 5.05 86526 2296323 721474 7.86 624942 2065139 680 01:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:42 lo 1.23 1.23 0.07 0.07 0.00 0.00 0.00 0.00 02:00:42 ens3 91.91 71.50 186.27 13.02 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 7.02 7.46 9.75 0.84 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 13.66 13.74 8.69 1.13 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 13.45 13.57 5.88 1.16 0.00 0.00 0.00 0.00 02:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 13.94 13.66 2.44 1.07 0.00 0.00 0.00 0.00 02:50:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 14.84 14.37 5.79 1.22 0.00 0.00 0.00 0.00 03:00:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:42 ens3 22.41 20.95 5.46 2.37 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 25.98 22.69 33.21 3.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30625) 06/26/26 _x86_64_ (2 CPU) 01:49:08 LINUX RESTART (2 CPU) 01:50:09 CPU %user %nice %system %iowait %steal %idle 02:00:42 all 12.18 0.00 1.96 0.38 0.07 85.41 02:00:42 0 13.95 0.00 2.02 0.37 0.07 83.59 02:00:42 1 10.42 0.00 1.89 0.38 0.08 87.24 02:10:01 all 5.53 0.00 0.62 0.01 0.10 93.75 02:10:01 0 2.07 0.00 0.40 0.01 0.09 97.43 02:10:01 1 8.98 0.00 0.84 0.00 0.11 90.08 02:20:02 all 3.61 0.00 0.46 0.01 0.09 95.83 02:20:02 0 3.93 0.00 0.53 0.01 0.09 95.46 02:20:02 1 3.30 0.00 0.40 0.01 0.10 96.20 02:30:12 all 3.77 0.00 0.56 0.01 0.08 95.58 02:30:12 0 3.47 0.00 0.47 0.00 0.08 95.97 02:30:12 1 4.06 0.00 0.65 0.01 0.09 95.18 02:40:02 all 1.55 0.00 0.23 0.01 0.09 98.12 02:40:02 0 1.83 0.00 0.23 0.00 0.08 97.86 02:40:02 1 1.27 0.00 0.23 0.01 0.10 98.39 02:50:02 all 1.76 0.00 0.27 0.02 0.09 97.87 02:50:02 0 1.98 0.00 0.25 0.01 0.07 97.70 02:50:02 1 1.53 0.00 0.28 0.03 0.12 98.04 03:00:42 all 3.88 0.00 0.53 0.01 0.10 95.48 03:00:42 0 3.76 0.00 0.57 0.01 0.09 95.57 03:00:42 1 4.00 0.00 0.49 0.01 0.11 95.39 Average: all 4.65 0.00 0.67 0.06 0.09 94.52 Average: 0 4.52 0.00 0.65 0.06 0.08 94.69 Average: 1 4.79 0.00 0.69 0.07 0.10 94.35