---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11194 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 741 5214 4 2275 7200 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:90:e1:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80615sec preferred_lft 80615sec inet6 fe80::f816:3eff:fe90:e18a/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-11194) 05/06/26 _x86_64_ (2 CPU) 00:40:37 LINUX RESTART (2 CPU) 00:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.58 0.01 1.55 0.03 0.05 19.17 443.15 01:10:09 1.35 0.00 1.34 0.02 0.00 16.05 1.08 01:20:09 1.31 0.00 1.29 0.02 0.01 15.76 1.09 01:30:01 1.41 0.00 1.38 0.03 0.00 17.63 663.53 01:40:09 1.71 0.25 1.44 0.03 30.57 72.28 1.21 01:50:09 1.27 0.00 1.26 0.01 1.05 15.57 0.53 02:00:01 22.81 3.06 17.48 2.26 230.93 3191.83 1297.19 02:10:09 1.49 0.00 1.49 0.00 0.34 69.56 0.03 Average: 4.08 0.41 3.38 0.29 32.56 422.46 297.12 00:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6277088 7528392 292052 3.59 30788 1426148 524184 5.71 448520 1187632 192 01:10:09 6276400 7528240 292236 3.59 30996 1426468 524184 5.71 448956 1188164 172 01:20:09 6289316 7541708 278756 3.43 31216 1426792 524376 5.71 449460 1188708 252 01:30:01 6281608 7534548 285912 3.52 31424 1427120 524456 5.71 449660 1189244 164 01:40:09 6238808 7518536 301476 3.71 31804 1453180 727104 7.92 464452 1206792 236 01:50:09 6247384 7527928 292136 3.59 31964 1453820 524480 5.71 459188 1207280 176 02:00:01 5282516 7410924 360540 4.43 85344 2206936 634236 6.91 598552 1968204 364 02:10:09 5267084 7411052 360480 4.43 85500 2222356 637604 6.94 601624 1983664 136 Average: 6020026 7500166 307948 3.79 44880 1630352 577578 6.29 490052 1389961 212 00:50:09 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 0.65 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 0.94 0.04 6.00 0.03 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.63 0.10 0.95 0.08 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.32 0.16 0.05 0.50 0.00 0.00 0.00 0.00 01:40:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 0.58 0.27 3.14 0.07 0.00 0.00 0.00 0.00 01:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:09 ens3 0.24 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 79.42 59.17 309.53 12.81 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 47.75 43.36 10.41 5.78 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 16.27 12.88 40.83 2.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11194) 05/06/26 _x86_64_ (2 CPU) 00:40:37 LINUX RESTART (2 CPU) 00:50:09 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.27 0.00 0.16 0.01 0.03 99.53 01:00:01 0 0.08 0.00 0.17 0.01 0.03 99.72 01:00:01 1 0.47 0.00 0.16 0.01 0.02 99.34 01:10:09 all 0.26 0.00 0.08 0.03 0.02 99.61 01:10:09 0 0.10 0.00 0.10 0.01 0.03 99.77 01:10:09 1 0.41 0.00 0.06 0.05 0.02 99.45 01:20:09 all 0.27 0.00 0.08 0.01 0.02 99.63 01:20:09 0 0.46 0.00 0.06 0.02 0.02 99.44 01:20:09 1 0.07 0.00 0.09 0.00 0.03 99.81 01:30:01 all 0.29 0.00 0.16 0.01 0.03 99.51 01:30:01 0 0.17 0.00 0.17 0.03 0.03 99.60 01:30:01 1 0.41 0.00 0.14 0.00 0.02 99.42 01:40:09 all 0.35 0.00 0.09 0.02 0.02 99.52 01:40:09 0 0.21 0.00 0.08 0.02 0.02 99.66 01:40:09 1 0.48 0.00 0.10 0.02 0.02 99.38 01:50:09 all 0.23 0.00 0.07 0.21 0.03 99.46 01:50:09 0 0.25 0.00 0.07 0.42 0.02 99.25 01:50:09 1 0.21 0.00 0.08 0.00 0.03 99.68 02:00:01 all 13.66 0.00 1.92 0.48 0.06 83.88 02:00:01 0 16.42 0.00 2.26 0.62 0.06 80.64 02:00:01 1 10.89 0.00 1.58 0.34 0.06 87.13 02:10:09 all 6.24 0.00 0.54 0.02 0.07 93.13 02:10:09 0 5.84 0.00 0.59 0.03 0.06 93.48 02:10:09 1 6.63 0.00 0.50 0.01 0.07 92.78 Average: all 2.68 0.00 0.38 0.10 0.03 96.81 Average: 0 2.92 0.00 0.43 0.14 0.03 96.47 Average: 1 2.43 0.00 0.34 0.05 0.04 97.14