---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26553 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 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 775 5097 4 2362 7166 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:bf:d9:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81520sec preferred_lft 81520sec inet6 fe80::f816:3eff:febf:d970/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26553) 06/11/26 _x86_64_ (2 CPU) 00:42:12 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:23 13.65 0.01 1.52 12.12 0.19 18.62 105817.20 01:10:31 1.20 0.00 1.19 0.02 0.00 14.58 1.18 01:20:00 1.15 0.00 1.14 0.02 0.01 14.13 0.91 01:30:00 1.42 0.00 1.39 0.03 0.00 17.81 873.19 01:40:00 1.21 0.00 1.19 0.02 0.00 14.69 1.09 01:50:01 1.76 0.26 1.48 0.02 31.97 74.11 0.84 02:00:31 24.08 2.88 19.02 2.19 217.01 3427.45 481.76 Average: 6.55 0.47 3.96 2.12 36.91 532.60 15746.64 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:23 6289124 7536076 283968 3.49 30664 1422188 528708 5.76 443688 1183452 128 01:10:31 6296712 7544192 275848 3.39 30856 1422516 528772 5.76 443752 1183972 124 01:20:00 6302788 7550776 269264 3.31 31068 1422812 528940 5.76 444080 1184480 136 01:30:00 6275600 7524152 295864 3.64 31288 1423152 531352 5.79 446860 1185032 140 01:40:00 6283684 7532772 287244 3.53 31488 1423472 532476 5.80 448288 1185560 124 01:50:01 6232484 7508816 310768 3.82 31856 1449984 532636 5.80 457828 1203236 124 02:00:31 5112408 7361412 386856 4.76 86960 2320404 663964 7.23 614428 2083156 224 Average: 6113257 7508314 301402 3.71 39169 1554933 549550 5.99 471275 1315555 143 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:23 ens3 0.59 0.08 0.09 0.03 0.00 0.00 0.00 0.00 01:10:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:31 ens3 0.39 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.49 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.44 0.23 0.11 0.59 0.00 0.00 0.00 0.00 01:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.71 0.34 3.22 0.08 0.00 0.00 0.00 0.00 02:00:31 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 02:00:31 ens3 87.65 61.55 334.04 14.77 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 13.48 9.29 50.30 2.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26553) 06/11/26 _x86_64_ (2 CPU) 00:42:12 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:23 all 0.28 0.00 0.17 0.03 0.02 99.51 01:00:23 0 0.10 0.00 0.20 0.05 0.02 99.63 01:00:23 1 0.47 0.00 0.13 0.00 0.01 99.39 01:10:31 all 0.27 0.00 0.07 0.01 0.01 99.63 01:10:31 0 0.06 0.00 0.09 0.01 0.02 99.82 01:10:31 1 0.48 0.00 0.05 0.00 0.01 99.45 01:20:00 all 0.23 0.00 0.08 0.01 0.02 99.67 01:20:00 0 0.39 0.00 0.08 0.01 0.01 99.51 01:20:00 1 0.06 0.00 0.08 0.01 0.02 99.83 01:30:00 all 0.32 0.00 0.17 0.01 0.02 99.49 01:30:00 0 0.20 0.00 0.19 0.01 0.02 99.58 01:30:00 1 0.44 0.00 0.15 0.01 0.01 99.39 01:40:00 all 0.23 0.00 0.07 0.01 0.02 99.67 01:40:00 0 0.10 0.00 0.08 0.01 0.02 99.80 01:40:00 1 0.37 0.00 0.06 0.01 0.02 99.54 01:50:01 all 0.37 0.00 0.09 0.02 0.02 99.51 01:50:01 0 0.36 0.00 0.11 0.03 0.01 99.49 01:50:01 1 0.37 0.00 0.07 0.01 0.02 99.52 02:00:31 all 16.70 0.00 1.86 0.48 0.06 80.90 02:00:31 0 20.33 0.00 2.12 0.53 0.06 76.96 02:00:31 1 13.07 0.00 1.60 0.42 0.06 84.85 Average: all 2.73 0.00 0.37 0.08 0.02 96.80 Average: 0 3.19 0.00 0.42 0.10 0.02 96.26 Average: 1 2.26 0.00 0.32 0.07 0.02 97.34