---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8911 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: 5600.00 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 746 5283 4 2200 7195 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:d2:53:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81716sec preferred_lft 81716sec inet6 fe80::f816:3eff:fed2:534d/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-8911) 04/28/26 _x86_64_ (2 CPU) 01:47:45 LINUX RESTART (2 CPU) 01:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:07 1.59 0.03 1.55 0.02 1.24 19.21 872.55 02:10:07 1.26 0.01 1.24 0.02 0.05 15.36 1.21 02:20:07 1.28 0.00 1.26 0.02 0.01 15.29 1.20 02:30:07 1.58 0.00 1.56 0.03 0.00 18.53 655.08 02:40:07 2.02 0.32 1.67 0.03 40.07 75.03 1.45 02:50:07 1.84 0.41 1.41 0.02 16.01 48.51 1.27 03:00:07 22.01 2.61 17.14 2.25 212.06 3163.80 605.35 Average: 4.51 0.48 3.69 0.34 38.49 479.40 305.44 01:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:07 6286600 7537268 283252 3.48 30624 1425648 527556 5.75 445592 1187128 136 02:10:07 6286600 7537804 282708 3.48 30840 1425976 527680 5.75 445816 1187660 188 02:20:07 6294188 7545944 274496 3.38 31060 1426304 527708 5.75 445868 1188208 188 02:30:07 6291120 7543416 277036 3.41 31260 1426632 527708 5.75 445876 1188736 248 02:40:07 6252340 7534036 285748 3.51 31656 1455260 532812 5.80 455196 1206388 212 02:50:07 6207012 7510308 309080 3.80 31988 1476232 574784 6.26 502584 1226020 6600 03:00:07 5282720 7410472 361040 4.44 85136 2206540 633904 6.90 596256 1965472 332 Average: 6128654 7517035 296194 3.64 38938 1548942 550307 5.99 476741 1307087 1129 01:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 0.82 0.09 0.10 0.04 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 0.56 0.07 0.11 0.05 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.30 0.04 0.13 0.01 0.00 0.00 0.00 0.00 02:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:07 ens3 0.29 0.03 0.12 0.01 0.00 0.00 0.00 0.00 02:40:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.53 0.24 3.14 0.05 0.00 0.00 0.00 0.00 02:50:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:07 ens3 10.12 6.24 33.90 3.10 0.00 0.00 0.00 0.00 03:00:07 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:07 ens3 98.05 71.28 278.28 15.22 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 15.81 11.14 45.11 2.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8911) 04/28/26 _x86_64_ (2 CPU) 01:47:45 LINUX RESTART (2 CPU) 01:50:07 CPU %user %nice %system %iowait %steal %idle 02:00:07 all 0.27 0.00 0.17 0.01 0.02 99.53 02:00:07 0 0.27 0.00 0.17 0.01 0.02 99.53 02:00:07 1 0.27 0.00 0.17 0.02 0.02 99.53 02:10:07 all 0.26 0.00 0.07 0.01 0.02 99.64 02:10:07 0 0.43 0.00 0.06 0.01 0.01 99.49 02:10:07 1 0.09 0.00 0.09 0.00 0.02 99.80 02:20:07 all 0.26 0.00 0.07 0.06 0.02 99.58 02:20:07 0 0.47 0.00 0.06 0.03 0.01 99.43 02:20:07 1 0.06 0.00 0.09 0.10 0.02 99.74 02:30:07 all 0.24 0.00 0.17 0.01 0.02 99.56 02:30:07 0 0.40 0.00 0.15 0.00 0.01 99.43 02:30:07 1 0.08 0.00 0.19 0.02 0.02 99.68 02:40:07 all 0.41 0.00 0.12 0.05 0.02 99.41 02:40:07 0 0.53 0.00 0.09 0.04 0.01 99.33 02:40:07 1 0.29 0.00 0.14 0.06 0.03 99.49 02:50:07 all 0.58 0.00 0.12 0.02 0.02 99.27 02:50:07 0 0.53 0.00 0.12 0.01 0.02 99.32 02:50:07 1 0.62 0.00 0.11 0.02 0.02 99.23 03:00:07 all 13.65 0.00 2.07 0.69 0.05 83.55 03:00:07 0 11.95 0.00 1.77 0.63 0.05 85.60 03:00:07 1 15.34 0.00 2.36 0.74 0.06 81.49 Average: all 2.23 0.00 0.40 0.12 0.02 97.22 Average: 0 2.08 0.00 0.35 0.10 0.02 97.45 Average: 1 2.39 0.00 0.45 0.14 0.03 97.00