---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26583 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 8.0G 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 751 5205 4 2277 7190 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:7c:ac:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81114sec preferred_lft 81114sec inet6 fe80::f816:3eff:fe7c:ac3a/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-26583) 06/11/26 _x86_64_ (2 CPU) 01:58:46 LINUX RESTART (2 CPU) 02:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:05 1.30 0.02 1.27 0.01 1.23 16.10 216.98 02:20:01 1.22 0.01 1.20 0.01 0.07 15.08 0.73 02:30:01 1.99 0.26 1.69 0.04 32.02 77.26 872.28 02:40:05 1.26 0.00 1.26 0.00 0.00 15.18 0.00 02:50:01 1.32 0.00 1.32 0.00 0.00 15.97 0.00 03:00:01 1.45 0.00 1.44 0.01 0.00 18.42 870.88 03:10:05 24.11 2.99 18.79 2.34 226.24 3603.27 1156.62 03:20:01 1.30 0.00 1.29 0.01 0.00 21.53 0.05 Average: 4.26 0.41 3.55 0.30 32.62 475.64 390.84 02:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:05 6278964 7529756 290660 3.57 30572 1426052 531964 5.79 446316 1187260 172 02:20:01 6276444 7527788 292652 3.60 30792 1426380 531988 5.79 446012 1187808 240 02:30:01 6230520 7509040 310856 3.82 31188 1452768 532060 5.80 455256 1205516 180 02:40:05 6230028 7509040 310832 3.82 31356 1453092 532212 5.80 455448 1206004 236 02:50:01 6230028 7509540 310360 3.82 31512 1453424 532212 5.80 455580 1206496 248 03:00:01 6238084 7518232 301588 3.71 31680 1453876 532340 5.80 456088 1206988 276 03:10:05 5196864 7405940 361108 4.44 86964 2282348 628580 6.85 592328 2045184 312 03:20:01 5131968 7343036 424000 5.21 87116 2284204 652348 7.11 608336 2047176 236 Average: 5976612 7481546 325257 4.00 45148 1654018 559213 6.09 489420 1411554 238 02:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 1.65 0.10 0.31 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.39 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 1.29 0.45 16.62 0.04 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 0.41 0.09 0.39 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.40 0.17 0.13 0.46 0.00 0.00 0.00 0.00 03:10:05 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:05 ens3 75.02 50.12 320.16 13.49 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 11.68 9.73 72.54 0.93 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 11.44 7.62 51.47 1.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26583) 06/11/26 _x86_64_ (2 CPU) 01:58:46 LINUX RESTART (2 CPU) 02:00:02 CPU %user %nice %system %iowait %steal %idle 02:10:05 all 0.30 0.00 0.08 0.02 0.03 99.57 02:10:05 0 0.13 0.00 0.09 0.01 0.03 99.74 02:10:05 1 0.47 0.00 0.07 0.02 0.03 99.40 02:20:01 all 0.29 0.00 0.08 0.01 0.03 99.59 02:20:01 0 0.10 0.00 0.09 0.00 0.03 99.77 02:20:01 1 0.48 0.00 0.06 0.02 0.03 99.41 02:30:01 all 0.38 0.00 0.20 0.02 0.03 99.37 02:30:01 0 0.54 0.00 0.18 0.03 0.02 99.23 02:30:01 1 0.21 0.00 0.21 0.02 0.04 99.51 02:40:05 all 0.24 0.00 0.07 0.01 0.03 99.65 02:40:05 0 0.22 0.00 0.08 0.01 0.03 99.66 02:40:05 1 0.27 0.00 0.07 0.01 0.03 99.63 02:50:01 all 0.25 0.00 0.08 0.03 0.03 99.61 02:50:01 0 0.05 0.00 0.09 0.02 0.03 99.81 02:50:01 1 0.45 0.00 0.07 0.04 0.02 99.41 03:00:01 all 0.33 0.00 0.20 0.49 0.03 98.96 03:00:01 0 0.21 0.00 0.20 0.95 0.03 98.61 03:00:01 1 0.44 0.00 0.20 0.03 0.03 99.31 03:10:05 all 11.90 0.00 1.74 0.90 0.05 85.41 03:10:05 0 14.02 0.00 1.92 0.93 0.05 83.08 03:10:05 1 9.77 0.00 1.57 0.87 0.05 87.74 03:20:01 all 0.89 0.00 0.21 0.02 0.06 98.83 03:20:01 0 0.86 0.00 0.21 0.01 0.05 98.87 03:20:01 1 0.92 0.00 0.21 0.02 0.06 98.79 Average: all 1.83 0.00 0.33 0.19 0.04 97.61 Average: 0 2.03 0.00 0.36 0.25 0.03 97.34 Average: 1 1.63 0.00 0.31 0.13 0.04 97.89