---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-65008 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 797 5099 4 2341 7143 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:31:e2:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 48403sec preferred_lft 48403sec inet6 fe80::f816:3eff:fe31:e2cb/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-65008) 04/02/26 _x86_64_ (2 CPU) 00:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.83 0.02 1.79 0.02 0.82 21.02 217.96 00:20:05 1.87 0.11 1.74 0.03 3.03 24.03 366.96 00:30:06 1.87 0.00 1.84 0.02 0.00 20.32 216.94 00:40:06 20.04 2.97 15.04 2.03 222.68 2486.41 601.80 00:50:07 3.94 0.05 3.68 0.20 3.75 661.67 66.69 01:00:07 1.96 0.00 1.93 0.03 0.00 29.49 0.53 01:10:08 1.60 0.00 1.60 0.00 0.00 132.35 395.23 01:20:08 1.52 0.00 1.52 0.00 0.00 34.31 0.04 01:30:08 2.14 0.00 2.04 0.10 0.00 38.28 1210.65 Average: 4.09 0.35 3.46 0.27 25.59 383.16 341.95 00:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6106564 7506476 302192 3.72 57040 1539024 543504 5.92 468720 1311356 280 00:20:05 6125016 7486812 321796 3.96 57172 1500676 541216 5.89 467368 1272952 220 00:30:06 6129540 7491940 316632 3.89 57312 1501132 541216 5.89 467368 1273420 292 00:40:06 5133460 7329304 431308 5.30 105364 2245492 661292 7.20 652620 2021132 177144 00:50:07 5156140 7345604 415696 5.11 105872 2239192 666172 7.26 625132 2014924 480 01:00:07 5161372 7353056 408088 5.02 105964 2241316 669472 7.29 628792 2017140 172 01:10:08 5089592 7316080 445092 5.47 106040 2276008 688608 7.50 646648 2051908 376 01:20:08 5018932 7251024 510140 6.27 106112 2281468 693356 7.55 650860 2057440 344 01:30:08 5063572 7297992 463064 5.69 106332 2283528 693404 7.55 650888 2059720 204 Average: 5442688 7375365 401556 4.94 89690 2011982 633138 6.90 584266 1786666 19946 00:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.24 0.07 0.08 0.04 0.00 0.00 0.00 0.00 00:20:05 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:05 ens3 0.12 0.04 0.04 0.01 0.00 0.00 0.00 0.00 00:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:06 ens3 0.50 0.14 0.17 0.10 0.00 0.00 0.00 0.00 00:40:06 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 00:40:06 ens3 41.80 27.59 293.21 8.48 0.00 0.00 0.00 0.00 00:50:07 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 00:50:07 ens3 36.69 29.63 228.22 5.84 0.00 0.00 0.00 0.00 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 9.42 8.80 61.46 1.12 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 7.75 6.56 73.14 0.82 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 16.41 15.64 141.84 1.91 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 18.01 17.27 223.53 1.44 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 14.55 11.75 113.53 2.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65008) 04/02/26 _x86_64_ (2 CPU) 00:00:05 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.25 0.00 0.10 0.01 0.04 99.60 00:10:01 0 0.45 0.00 0.09 0.01 0.03 99.43 00:10:01 1 0.05 0.00 0.11 0.01 0.05 99.78 00:20:05 all 0.64 0.00 0.21 0.01 0.03 99.10 00:20:05 0 0.58 0.00 0.24 0.02 0.05 99.12 00:20:05 1 0.71 0.00 0.19 0.01 0.02 99.08 00:30:06 all 0.25 0.00 0.16 0.01 0.03 99.55 00:30:06 0 0.15 0.00 0.16 0.02 0.04 99.63 00:30:06 1 0.35 0.00 0.15 0.01 0.03 99.47 00:40:06 all 9.69 0.00 1.45 0.48 0.05 88.33 00:40:06 0 12.85 0.00 1.79 0.57 0.06 84.73 00:40:06 1 6.53 0.00 1.12 0.38 0.05 91.93 00:50:07 all 2.04 0.00 0.43 0.08 0.07 97.38 00:50:07 0 2.17 0.00 0.43 0.05 0.07 97.28 00:50:07 1 1.90 0.00 0.44 0.10 0.07 97.49 01:00:07 all 2.02 0.00 0.36 0.09 0.08 97.45 01:00:07 0 2.14 0.00 0.31 0.14 0.05 97.35 01:00:07 1 1.90 0.00 0.40 0.04 0.11 97.55 01:10:08 all 7.14 0.00 0.68 0.06 0.09 92.04 01:10:08 0 8.31 0.00 0.93 0.11 0.09 90.56 01:10:08 1 6.02 0.00 0.44 0.00 0.08 93.45 01:20:08 all 1.93 0.00 0.30 0.04 0.06 97.66 01:20:08 0 0.82 0.00 0.16 0.06 0.05 98.91 01:20:08 1 3.04 0.00 0.44 0.03 0.08 96.41 01:30:08 all 0.97 0.01 0.36 0.02 0.06 98.59 01:30:08 0 1.08 0.00 0.31 0.02 0.05 98.54 01:30:08 1 0.85 0.02 0.41 0.02 0.07 98.63 Average: all 2.76 0.00 0.45 0.09 0.06 96.64 Average: 0 3.15 0.00 0.49 0.11 0.05 96.20 Average: 1 2.38 0.00 0.41 0.07 0.06 97.08