---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6864 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 8.2G 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 742 4925 4 2565 7198 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:67:fb:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79231sec preferred_lft 79231sec inet6 fe80::f816:3eff:fe67:fb75/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6864) 04/23/26 _x86_64_ (2 CPU) 00:42:02 LINUX RESTART (2 CPU) 00:50:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.45 0.01 1.42 0.02 0.06 17.66 675.64 01:10:00 1.78 0.32 1.43 0.03 40.14 72.67 1.35 01:20:10 1.20 0.00 1.19 0.00 0.01 14.52 0.25 01:30:01 1.38 0.03 1.34 0.01 2.18 16.73 0.35 01:40:00 1.59 0.41 1.17 0.00 16.05 46.23 0.00 01:50:20 34.13 2.53 16.47 15.13 203.83 2990.62 103831.92 02:00:01 1.53 0.00 1.52 0.02 0.00 18.98 0.34 02:10:20 1.40 0.00 1.39 0.01 0.00 143.29 0.08 02:20:00 1.53 0.00 1.50 0.03 0.00 377.57 0.26 02:30:01 1.59 0.00 1.55 0.04 0.00 128.61 0.52 02:40:10 2.72 0.04 2.24 0.44 1.41 76.02 1613.17 Average: 4.68 0.31 2.89 1.48 24.61 363.70 9977.77 00:50:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6278004 7529752 290764 3.58 30736 1426644 527848 5.75 451412 1187444 248 01:10:00 6230444 7511528 308440 3.79 31112 1455228 527984 5.75 462860 1205028 196 01:20:10 6238332 7519952 300068 3.69 31288 1455584 527876 5.75 463240 1205560 204 01:30:01 6245044 7527816 292092 3.59 31456 1456520 528096 5.75 463792 1206104 136 01:40:00 6208148 7506312 313356 3.85 31752 1471404 567644 6.18 502564 1219640 244 01:50:20 5092728 7208664 562952 6.92 84984 2194988 820100 8.93 781124 1952828 160 02:00:01 4999168 7115636 655844 8.06 85144 2195376 736356 8.02 697608 1953368 148 02:10:20 5104056 7260564 510824 6.28 85288 2235172 804428 8.76 749580 1993308 188 02:20:00 4843796 7124948 644400 7.92 85464 2357944 932004 10.15 876608 2116256 17932 02:30:01 4727796 7024932 744136 9.15 85632 2373536 1016764 11.07 962276 2131896 240 02:40:10 5002732 7356808 419224 5.15 86588 2435820 658496 7.17 644060 2194840 249412 Average: 5542750 7335174 458373 5.64 60859 1914383 695236 7.57 641375 1669661 24464 00:50:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.62 0.05 0.10 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.97 0.32 10.65 0.05 0.00 0.00 0.00 0.00 01:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:10 ens3 0.41 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.32 0.10 0.08 0.05 0.00 0.00 0.00 0.00 01:40:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 8.34 5.41 23.76 3.25 0.00 0.00 0.00 0.00 01:50:20 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 01:50:20 ens3 76.56 60.64 705.74 9.82 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 36.07 34.42 576.52 2.29 0.00 0.00 0.00 0.00 02:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:20 ens3 67.78 65.47 1089.49 4.30 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 27.16 25.95 423.88 1.73 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 24.14 23.10 376.40 1.53 0.00 0.00 0.00 0.00 02:40:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:10 ens3 34.08 26.76 311.41 24.32 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 25.46 22.30 323.15 4.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6864) 04/23/26 _x86_64_ (2 CPU) 00:42:02 LINUX RESTART (2 CPU) 00:50:20 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.27 0.00 0.16 0.07 0.02 99.48 01:00:01 0 0.27 0.00 0.15 0.12 0.02 99.44 01:00:01 1 0.26 0.00 0.18 0.02 0.02 99.52 01:10:00 all 0.39 0.00 0.11 0.07 0.02 99.41 01:10:00 0 0.31 0.00 0.09 0.01 0.02 99.57 01:10:00 1 0.47 0.00 0.13 0.12 0.02 99.25 01:20:10 all 0.26 0.00 0.08 0.05 0.02 99.60 01:20:10 0 0.06 0.00 0.09 0.04 0.02 99.79 01:20:10 1 0.46 0.00 0.07 0.06 0.02 99.40 01:30:01 all 0.30 0.00 0.16 0.02 0.02 99.50 01:30:01 0 0.10 0.00 0.18 0.03 0.02 99.67 01:30:01 1 0.50 0.00 0.15 0.01 0.02 99.32 01:40:00 all 0.54 0.00 0.11 0.04 0.02 99.29 01:40:00 0 0.35 0.00 0.14 0.03 0.02 99.45 01:40:00 1 0.73 0.00 0.08 0.04 0.02 99.13 01:50:20 all 10.81 0.00 1.75 1.40 0.06 85.98 01:50:20 0 9.03 0.00 1.47 1.09 0.05 88.36 01:50:20 1 12.60 0.00 2.02 1.71 0.07 83.59 02:00:01 all 0.64 0.00 0.37 0.02 0.05 98.92 02:00:01 0 0.63 0.00 0.39 0.01 0.05 98.92 02:00:01 1 0.65 0.00 0.35 0.03 0.06 98.91 02:10:20 all 1.04 0.00 0.51 0.04 0.05 98.35 02:10:20 0 1.54 0.00 0.76 0.03 0.06 97.61 02:10:20 1 0.54 0.00 0.26 0.06 0.05 99.09 02:20:00 all 0.80 0.00 0.21 0.12 0.05 98.82 02:20:00 0 0.62 0.00 0.14 0.16 0.04 99.05 02:20:00 1 0.99 0.00 0.29 0.08 0.06 98.58 02:30:01 all 0.66 0.00 0.32 0.16 0.04 98.82 02:30:01 0 0.66 0.00 0.39 0.23 0.05 98.67 02:30:01 1 0.65 0.00 0.25 0.09 0.04 98.98 02:40:10 all 2.49 0.00 0.40 0.07 0.05 96.99 02:40:10 0 2.08 0.00 0.42 0.11 0.05 97.33 02:40:10 1 2.91 0.00 0.37 0.03 0.04 96.65 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.69 0.00 0.39 0.19 0.04 97.70 Average: 0 1.45 0.00 0.39 0.17 0.04 97.95 Average: 1 1.93 0.00 0.38 0.21 0.04 97.44