---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29017 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 8.3G 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 750 4815 4 2672 7191 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:4f:e1:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81674sec preferred_lft 81674sec inet6 fe80::f816:3eff:fe4f:e1e7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29017) 06/21/26 _x86_64_ (2 CPU) 00:16:32 LINUX RESTART (2 CPU) 00:20:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 1.55 0.03 1.51 0.02 1.27 18.72 671.10 00:40:16 23.13 2.94 17.98 2.22 221.92 3365.60 588.97 00:50:17 1.31 0.00 1.30 0.00 0.00 17.48 0.36 01:00:01 1.93 0.26 1.63 0.05 31.79 78.99 1.68 01:10:16 1.55 0.00 1.52 0.03 1.03 311.73 1.33 01:20:17 1.43 0.00 1.39 0.04 0.00 333.75 1.52 01:30:01 1.61 0.00 1.57 0.03 0.00 19.83 0.70 Average: 4.73 0.47 3.91 0.35 37.40 607.55 181.16 00:20:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6284388 7536188 284384 3.50 30628 1426816 536232 5.84 445832 1187380 128 00:40:16 5114680 7287564 480204 5.90 85824 2247496 690968 7.53 643656 2017716 968 00:50:17 4907088 7080424 687464 8.45 85992 2247888 883320 9.62 835228 2018280 200 01:00:01 4967300 7167420 599952 7.38 86288 2274300 1062816 11.58 814608 2036228 264 01:10:16 4878988 7185368 580756 7.14 86468 2379148 863228 9.40 808484 2140928 13760 01:20:17 4630212 7020296 744412 9.15 86672 2461484 1014032 11.04 959880 2223356 168 01:30:01 4537044 6927768 836968 10.29 86840 2461940 1015504 11.06 960688 2223980 124 Average: 5045671 7172147 602020 7.40 78387 2214153 866586 9.44 781197 1978267 2230 00:20:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 1.08 0.11 0.18 0.08 0.00 0.00 0.00 0.00 00:40:16 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:16 ens3 75.77 51.86 442.81 11.93 0.00 0.00 0.00 0.00 00:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:17 ens3 34.48 30.99 510.63 2.10 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 77.01 74.13 1225.11 4.87 0.00 0.00 0.00 0.00 01:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:16 ens3 31.63 30.07 496.05 2.02 0.00 0.00 0.00 0.00 01:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:17 ens3 32.44 30.53 500.08 2.08 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 14.45 13.79 216.73 0.94 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 38.32 33.17 484.51 3.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29017) 06/21/26 _x86_64_ (2 CPU) 00:16:32 LINUX RESTART (2 CPU) 00:20:16 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.29 0.00 0.18 0.05 0.03 99.44 00:30:01 0 0.11 0.00 0.19 0.04 0.03 99.62 00:30:01 1 0.48 0.00 0.17 0.06 0.02 99.26 00:40:16 all 11.62 0.00 1.73 2.06 0.05 84.54 00:40:16 0 7.83 0.00 1.38 1.02 0.05 89.71 00:40:16 1 15.40 0.00 2.08 3.10 0.05 79.37 00:50:17 all 0.59 0.00 0.27 0.03 0.06 99.05 00:50:17 0 0.65 0.00 0.25 0.06 0.05 99.00 00:50:17 1 0.53 0.00 0.30 0.01 0.06 99.10 01:00:01 all 1.12 0.00 0.63 0.03 0.06 98.16 01:00:01 0 0.74 0.00 0.28 0.03 0.05 98.90 01:00:01 1 1.51 0.00 0.97 0.03 0.08 97.41 01:10:16 all 0.82 0.00 0.27 0.05 0.06 98.81 01:10:16 0 0.63 0.00 0.15 0.05 0.05 99.12 01:10:16 1 1.00 0.00 0.38 0.05 0.08 98.49 01:20:17 all 0.74 0.00 0.24 0.06 0.06 98.90 01:20:17 0 0.75 0.00 0.20 0.06 0.06 98.93 01:20:17 1 0.74 0.00 0.28 0.06 0.06 98.87 01:30:01 all 0.52 0.00 0.31 0.05 0.06 99.07 01:30:01 0 0.51 0.00 0.39 0.01 0.07 99.02 01:30:01 1 0.53 0.00 0.22 0.09 0.04 99.13 Average: all 2.29 0.00 0.52 0.34 0.05 96.79 Average: 0 1.64 0.00 0.41 0.19 0.05 97.72 Average: 1 2.95 0.00 0.64 0.50 0.06 95.86