---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36203 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 8.1G 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 761 5038 4 2443 7179 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:86:88:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81334sec preferred_lft 81334sec inet6 fe80::f816:3eff:fe86:8832/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36203) 07/16/26 _x86_64_ (2 CPU) 00:40:39 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.42 0.01 1.38 0.02 0.05 17.01 436.78 01:10:05 1.15 0.00 1.13 0.02 0.00 13.86 1.10 01:20:01 15.49 13.63 1.79 0.07 152.15 42.64 7.40 01:30:01 1.88 0.25 1.59 0.04 30.97 77.81 217.66 01:40:05 1.21 0.00 1.18 0.02 1.05 15.08 1.26 01:50:01 1.13 0.00 1.13 0.01 0.00 14.58 0.48 02:00:01 23.66 2.86 18.44 2.36 225.51 3684.30 1057.52 Average: 6.55 2.38 3.81 0.36 58.38 552.16 246.02 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6280184 7531368 288924 3.55 30816 1426188 529160 5.76 444660 1187904 152 01:10:05 6279484 7531224 289060 3.55 31036 1426520 529368 5.77 444944 1188456 216 01:20:01 6221192 7530020 281160 3.46 35196 1471144 529428 5.77 446192 1236604 168 01:30:01 6174208 7510436 300048 3.69 35644 1497652 729036 7.94 460292 1254824 284 01:40:05 6195800 7532988 277620 3.41 35828 1498420 530004 5.77 456288 1255336 240 01:50:01 6203260 7540964 269644 3.32 36012 1498744 529996 5.77 456316 1255844 196 02:00:01 5056960 7373844 383032 4.71 91348 2376700 655564 7.14 614704 2143568 408 Average: 6058727 7507263 298498 3.67 42269 1599338 576079 6.27 474771 1360362 238 00:50:01 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 0.63 0.09 0.21 0.04 0.00 0.00 0.00 0.00 01:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 1.91 0.04 8.53 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.98 0.08 1.14 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.47 0.22 3.26 0.05 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.53 0.29 0.12 0.56 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.30 0.09 0.10 0.06 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 81.79 56.89 353.31 14.81 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 12.38 8.24 52.39 2.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36203) 07/16/26 _x86_64_ (2 CPU) 00:40:39 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.17 0.02 0.03 99.51 01:00:01 0 0.48 0.00 0.15 0.02 0.02 99.34 01:00:01 1 0.08 0.00 0.19 0.02 0.04 99.67 01:10:05 all 0.26 0.00 0.07 0.01 0.03 99.63 01:10:05 0 0.46 0.00 0.05 0.01 0.02 99.47 01:10:05 1 0.05 0.00 0.10 0.02 0.03 99.79 01:20:01 all 0.26 0.18 0.14 0.14 0.03 99.26 01:20:01 0 0.25 0.33 0.17 0.23 0.03 99.00 01:20:01 1 0.28 0.03 0.10 0.06 0.03 99.51 01:30:01 all 0.39 0.00 0.17 0.03 0.03 99.38 01:30:01 0 0.25 0.00 0.21 0.05 0.03 99.47 01:30:01 1 0.53 0.00 0.14 0.01 0.03 99.29 01:40:05 all 0.25 0.00 0.06 0.02 0.03 99.64 01:40:05 0 0.05 0.00 0.08 0.03 0.03 99.80 01:40:05 1 0.44 0.00 0.04 0.01 0.02 99.48 01:50:01 all 0.25 0.00 0.06 0.01 0.02 99.65 01:50:01 0 0.04 0.00 0.07 0.01 0.03 99.85 01:50:01 1 0.47 0.00 0.05 0.01 0.02 99.45 02:00:01 all 16.98 0.00 1.85 0.54 0.06 80.57 02:00:01 0 21.93 0.00 2.19 0.69 0.06 75.12 02:00:01 1 12.02 0.00 1.51 0.39 0.06 86.02 Average: all 2.66 0.02 0.36 0.11 0.03 96.81 Average: 0 3.35 0.05 0.42 0.15 0.03 96.01 Average: 1 1.98 0.00 0.30 0.07 0.03 97.61