---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1142 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 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 748 5206 4 2275 7193 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:36:ea:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80968sec preferred_lft 80968sec inet6 fe80::f816:3eff:fe36:ea4e/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-1142) 04/08/26 _x86_64_ (2 CPU) 01:48:31 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:09 1.50 0.02 1.47 0.01 1.22 17.95 430.41 02:10:09 1.29 0.01 1.28 0.00 0.05 15.28 0.12 02:20:01 1.80 0.33 1.46 0.02 40.60 72.10 0.26 02:30:09 14.01 0.03 1.56 12.42 2.26 19.16 107754.50 02:40:09 1.30 0.00 1.28 0.02 0.00 15.35 1.09 02:50:01 1.80 0.42 1.36 0.02 16.25 47.44 1.09 03:00:09 23.06 2.58 18.26 2.22 208.09 3090.71 518.92 03:10:09 1.44 0.00 1.43 0.01 0.35 67.27 0.23 Average: 5.82 0.43 3.54 1.86 33.79 422.11 13738.18 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:09 6291704 7538476 282124 3.47 30548 1421892 527524 5.75 449556 1182988 176 02:10:09 6291032 7538324 282268 3.47 30736 1422220 527532 5.75 449636 1183504 124 02:20:01 6248200 7524508 295576 3.63 31084 1450524 527532 5.75 461128 1200780 200 02:30:09 6258516 7536136 283840 3.49 31332 1451536 527664 5.75 461652 1201452 176 02:40:09 6264596 7542900 277068 3.41 31556 1451992 527728 5.75 462048 1202004 124 02:50:01 6227992 7521504 298272 3.67 31872 1466716 542812 5.91 484060 1215536 128 03:00:09 5286156 7401168 370616 4.56 85024 2194164 634492 6.91 602744 1952512 1076 03:10:09 5279000 7408980 362856 4.46 85172 2208992 645304 7.03 605088 1967376 860 Average: 6018400 7501500 306578 3.77 44666 1633504 557574 6.07 496989 1388269 358 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 1.26 0.07 0.16 0.03 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.84 0.03 8.02 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.46 0.22 3.09 0.03 0.00 0.00 0.00 0.00 02:30:09 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.22 0.06 0.05 0.02 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 0.30 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 7.91 4.75 20.13 3.07 0.00 0.00 0.00 0.00 03:00:09 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:09 ens3 63.40 45.83 277.18 9.00 0.00 0.00 0.00 0.00 03:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:09 ens3 47.25 43.38 9.78 5.71 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 15.27 11.84 40.14 2.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1142) 04/08/26 _x86_64_ (2 CPU) 01:48:31 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:09 all 0.31 0.00 0.19 0.03 0.03 99.44 02:00:09 0 0.12 0.00 0.21 0.03 0.03 99.61 02:00:09 1 0.50 0.00 0.16 0.04 0.02 99.28 02:10:09 all 0.24 0.00 0.08 0.02 0.03 99.64 02:10:09 0 0.09 0.00 0.09 0.03 0.03 99.76 02:10:09 1 0.39 0.00 0.07 0.00 0.03 99.51 02:20:01 all 0.37 0.00 0.11 2.83 0.03 96.67 02:20:01 0 0.18 0.00 0.11 3.72 0.03 95.96 02:20:01 1 0.55 0.00 0.11 1.94 0.03 97.37 02:30:09 all 0.28 0.00 0.17 0.10 0.03 99.42 02:30:09 0 0.15 0.00 0.18 0.15 0.03 99.50 02:30:09 1 0.42 0.00 0.16 0.05 0.02 99.35 02:40:09 all 0.23 0.00 0.07 0.04 0.02 99.63 02:40:09 0 0.20 0.00 0.08 0.02 0.03 99.68 02:40:09 1 0.27 0.00 0.07 0.07 0.02 99.57 02:50:01 all 0.50 0.00 0.10 0.11 0.03 99.26 02:50:01 0 0.65 0.00 0.11 0.07 0.02 99.15 02:50:01 1 0.35 0.00 0.10 0.15 0.03 99.37 03:00:09 all 13.00 0.00 1.91 1.59 0.07 83.43 03:00:09 0 15.11 0.00 2.22 2.37 0.07 80.24 03:00:09 1 10.88 0.00 1.60 0.82 0.06 86.64 03:10:09 all 6.01 0.00 0.52 0.02 0.06 93.38 03:10:09 0 7.32 0.00 0.57 0.03 0.06 92.02 03:10:09 1 4.72 0.00 0.48 0.02 0.07 94.72 Average: all 2.62 0.00 0.40 0.59 0.04 96.36 Average: 0 2.98 0.00 0.45 0.80 0.04 95.73 Average: 1 2.26 0.00 0.34 0.38 0.04 96.98