---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19655 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 7.9G 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 5230 4 2261 7199 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:86:7b:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81187sec preferred_lft 81187sec inet6 fe80::f816:3eff:fe86:7b06/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19655) 05/25/26 _x86_64_ (2 CPU) 00:36:14 LINUX RESTART (2 CPU) 00:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:04 1.39 0.02 1.36 0.00 1.24 16.21 0.12 01:00:05 14.13 0.01 1.58 12.54 0.20 19.15 109629.34 01:10:05 1.28 0.00 1.26 0.02 0.00 14.98 1.20 01:20:06 1.80 0.26 1.52 0.03 32.03 74.20 1.55 01:30:06 1.45 0.00 1.42 0.03 0.00 18.11 871.37 01:40:07 1.41 0.06 1.34 0.01 3.32 18.94 1.08 01:50:07 23.55 2.96 18.32 2.27 224.73 3422.35 499.47 02:00:06 1.66 0.00 1.63 0.02 0.00 26.08 0.35 Average: 5.84 0.41 3.55 1.87 32.68 451.15 13892.28 00:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:04 6293812 7541016 279496 3.44 30604 1422276 523652 5.70 441908 1183240 232 01:00:05 6291168 7539012 281508 3.46 30836 1422648 523820 5.71 443128 1183820 200 01:10:05 6290928 7539292 281220 3.46 31028 1422972 524024 5.71 443188 1184336 180 01:20:06 6252696 7528228 291856 3.59 31432 1449384 524024 5.71 452548 1202076 216 01:30:06 6259520 7535776 284256 3.50 31668 1449844 524272 5.71 453256 1202644 192 01:40:07 6256804 7535464 284660 3.50 31896 1451888 527208 5.74 463216 1204460 200 01:50:07 5189364 7383220 384596 4.73 86680 2267864 628612 6.85 602232 2030112 220 02:00:06 5154648 7350536 417244 5.13 86824 2269740 651484 7.10 616676 2032140 196 Average: 5998618 7494068 313104 3.85 45121 1644577 553387 6.03 489519 1402854 204 00:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 1.09 0.11 0.16 0.06 0.00 0.00 0.00 0.00 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.44 0.08 0.08 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 0.38 0.04 0.08 0.03 0.00 0.00 0.00 0.00 01:20:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 0.69 0.30 3.23 0.08 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.41 0.24 0.08 0.63 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 1.76 0.82 2.23 0.37 0.00 0.00 0.00 0.00 01:50:07 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:07 ens3 70.78 47.10 325.97 11.39 0.00 0.00 0.00 0.00 02:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 12.45 11.32 107.28 1.05 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 11.00 7.50 54.86 1.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19655) 05/25/26 _x86_64_ (2 CPU) 00:36:14 LINUX RESTART (2 CPU) 00:40:03 CPU %user %nice %system %iowait %steal %idle 00:50:04 all 0.31 0.00 0.07 0.01 0.02 99.59 00:50:04 0 0.48 0.00 0.05 0.01 0.02 99.44 00:50:04 1 0.13 0.00 0.09 0.01 0.03 99.74 01:00:05 all 0.25 0.00 0.18 0.03 0.02 99.52 01:00:05 0 0.42 0.00 0.17 0.01 0.02 99.39 01:00:05 1 0.08 0.00 0.20 0.05 0.03 99.64 01:10:05 all 0.25 0.00 0.07 0.01 0.02 99.65 01:10:05 0 0.45 0.00 0.05 0.01 0.02 99.47 01:10:05 1 0.05 0.00 0.08 0.02 0.03 99.82 01:20:06 all 0.35 0.00 0.10 0.02 0.03 99.50 01:20:06 0 0.14 0.00 0.10 0.01 0.03 99.73 01:20:06 1 0.56 0.00 0.11 0.04 0.02 99.27 01:30:06 all 0.23 0.00 0.17 0.01 0.02 99.57 01:30:06 0 0.29 0.00 0.15 0.02 0.02 99.53 01:30:06 1 0.18 0.00 0.18 0.01 0.03 99.60 01:40:07 all 0.31 0.00 0.07 0.01 0.02 99.59 01:40:07 0 0.53 0.00 0.04 0.01 0.01 99.42 01:40:07 1 0.09 0.00 0.10 0.02 0.03 99.76 01:50:07 all 11.85 0.00 1.71 0.49 0.06 85.88 01:50:07 0 12.89 0.00 1.76 0.57 0.05 84.73 01:50:07 1 10.81 0.00 1.67 0.42 0.07 87.04 02:00:06 all 0.89 0.00 0.29 0.01 0.04 98.77 02:00:06 0 1.06 0.00 0.30 0.01 0.04 98.59 02:00:06 1 0.71 0.00 0.28 0.01 0.05 98.95 Average: all 1.80 0.00 0.33 0.07 0.03 97.76 Average: 0 2.03 0.00 0.33 0.08 0.02 97.54 Average: 1 1.57 0.00 0.34 0.07 0.04 97.98