---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36565 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: 5599.94 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 8.1G 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 755 5010 4 2476 7186 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:cc:a0:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81489sec preferred_lft 81489sec inet6 fe80::f816:3eff:fecc:a0e2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36565) 07/17/26 _x86_64_ (2 CPU) 01:48:23 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 1.43 0.03 1.39 0.02 1.24 17.89 653.91 02:10:00 13.91 0.03 1.32 12.55 2.35 15.99 109192.23 02:20:00 1.16 0.00 1.14 0.02 0.01 13.89 1.09 02:30:00 1.39 0.00 1.35 0.03 0.00 17.28 872.85 02:40:00 1.14 0.00 1.12 0.02 0.00 14.31 1.09 02:50:00 1.68 0.25 1.40 0.03 30.97 74.92 1.37 03:00:00 1.46 0.01 1.43 0.02 1.05 18.83 871.39 03:10:00 28.58 2.89 22.11 3.57 229.12 3789.01 1452.41 Average: 6.34 0.40 3.91 2.03 33.09 495.27 14130.79 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6283056 7534040 286136 3.52 30756 1425828 530940 5.78 449768 1187596 124 02:10:00 6269244 7521452 298608 3.67 30952 1426848 530924 5.78 450392 1188224 144 02:20:00 6276384 7529128 290896 3.58 31156 1427172 530924 5.78 450524 1188752 124 02:30:00 6277472 7530792 289204 3.56 31376 1427500 531068 5.78 450608 1189300 164 02:40:00 6284836 7538692 281296 3.46 31576 1427828 531068 5.78 450896 1189828 168 02:50:00 6224932 7506204 313300 3.85 31944 1454524 731340 7.97 465620 1208000 128 03:00:00 6245488 7527616 291844 3.59 32140 1455152 531280 5.79 460720 1208512 12 03:10:00 5179996 7406440 359284 4.42 90668 2295096 600204 6.54 587496 2060352 30992 Average: 6130176 7511796 301321 3.71 38821 1542494 564718 6.15 470753 1302570 3982 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 1.25 0.07 0.15 0.03 0.00 0.00 0.00 0.00 02:10:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.64 0.07 0.11 0.02 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.71 0.03 5.55 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.35 0.04 0.24 0.01 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.41 0.07 0.11 0.05 0.00 0.00 0.00 0.00 02:50:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 1.00 0.51 3.34 0.11 0.00 0.00 0.00 0.00 03:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 0.41 0.18 0.12 0.56 0.00 0.00 0.00 0.00 03:10:00 lo 1.39 1.39 0.09 0.09 0.00 0.00 0.00 0.00 03:10:00 ens3 114.16 78.98 337.26 20.18 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 14.87 9.99 43.36 2.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36565) 07/17/26 _x86_64_ (2 CPU) 01:48:23 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.24 0.00 0.17 0.01 0.03 99.55 02:00:00 0 0.22 0.00 0.16 0.01 0.02 99.59 02:00:00 1 0.27 0.00 0.18 0.01 0.03 99.52 02:10:00 all 0.28 0.00 0.09 0.03 0.02 99.58 02:10:00 0 0.19 0.00 0.10 0.04 0.02 99.64 02:10:00 1 0.37 0.00 0.09 0.02 0.02 99.51 02:20:00 all 0.27 0.00 0.07 0.02 0.02 99.61 02:20:00 0 0.05 0.00 0.09 0.01 0.03 99.82 02:20:00 1 0.50 0.00 0.06 0.03 0.02 99.40 02:30:00 all 0.24 0.00 0.17 0.02 0.02 99.55 02:30:00 0 0.07 0.00 0.17 0.02 0.02 99.72 02:30:00 1 0.42 0.00 0.16 0.02 0.02 99.39 02:40:00 all 0.27 0.00 0.07 0.01 0.02 99.62 02:40:00 0 0.11 0.00 0.08 0.02 0.02 99.77 02:40:00 1 0.44 0.00 0.07 0.00 0.02 99.47 02:50:00 all 0.36 0.00 0.10 0.02 0.02 99.50 02:50:00 0 0.52 0.00 0.13 0.04 0.02 99.30 02:50:00 1 0.19 0.00 0.08 0.00 0.02 99.70 03:00:00 all 0.28 0.00 0.17 0.01 0.02 99.52 03:00:00 0 0.12 0.00 0.20 0.02 0.02 99.65 03:00:00 1 0.45 0.00 0.14 0.00 0.02 99.40 03:10:00 all 16.48 0.00 2.23 0.60 0.06 80.64 03:10:00 0 16.15 0.00 2.07 0.49 0.06 81.23 03:10:00 1 16.81 0.00 2.38 0.70 0.06 80.05 Average: all 2.30 0.00 0.38 0.09 0.03 97.20 Average: 0 2.18 0.00 0.37 0.08 0.03 97.34 Average: 1 2.43 0.00 0.39 0.10 0.02 97.06