---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26999 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 763 5197 4 2273 7178 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:60:6c:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81712sec preferred_lft 81712sec inet6 fe80::f816:3eff:fe60:6c44/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26999) 06/13/26 _x86_64_ (2 CPU) 01:48:27 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:09 2.30 0.27 2.00 0.03 31.79 469.36 430.62 02:10:01 1.47 0.01 1.45 0.01 1.12 404.63 0.54 02:20:09 1.60 0.00 1.60 0.00 0.01 408.98 0.04 02:30:09 1.72 0.00 1.71 0.02 0.00 415.60 653.47 02:40:09 1.47 0.00 1.47 0.00 0.00 398.75 0.00 02:50:09 1.84 0.36 1.47 0.00 14.45 200.27 0.01 03:00:09 23.15 2.65 18.21 2.29 213.05 3423.88 637.66 Average: 4.79 0.47 3.98 0.34 37.19 816.70 246.40 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:09 6245588 7522792 296944 3.65 30804 1451636 725764 7.90 457348 1204556 124 02:10:01 6245348 7523388 296276 3.64 30996 1452280 521568 5.68 452144 1205080 184 02:20:09 6252464 7531052 288572 3.55 31200 1452620 577856 6.29 461220 1205612 144 02:30:09 6266108 7545212 274428 3.37 31380 1452932 522936 5.70 456240 1206116 124 02:40:09 6271460 7551188 268444 3.30 31540 1453388 523004 5.70 456540 1206604 124 02:50:09 6250844 7541428 278060 3.42 31784 1463888 534172 5.82 472896 1216064 132 03:00:09 5181780 7391660 375104 4.61 86900 2283004 659456 7.18 612244 2046012 300 Average: 6101942 7515246 296833 3.65 39229 1572821 580679 6.32 481233 1327149 162 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 1.77 0.22 3.25 0.05 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.44 0.06 0.06 0.02 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.32 0.05 0.94 0.02 0.00 0.00 0.00 0.00 02:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.29 0.06 0.07 0.03 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 0.43 0.12 0.14 0.08 0.00 0.00 0.00 0.00 02:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 6.64 3.36 12.68 1.97 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 57.98 39.15 307.53 10.02 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 9.68 6.13 46.30 1.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26999) 06/13/26 _x86_64_ (2 CPU) 01:48:27 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:09 all 0.39 0.00 0.20 0.03 0.04 99.34 02:00:09 0 0.32 0.00 0.22 0.02 0.04 99.39 02:00:09 1 0.47 0.00 0.17 0.03 0.04 99.29 02:10:01 all 0.27 0.00 0.07 0.01 0.04 99.61 02:10:01 0 0.16 0.00 0.08 0.01 0.04 99.71 02:10:01 1 0.38 0.00 0.06 0.02 0.04 99.50 02:20:09 all 0.28 0.00 0.08 0.01 0.04 99.59 02:20:09 0 0.34 0.00 0.08 0.01 0.03 99.54 02:20:09 1 0.22 0.00 0.08 0.02 0.04 99.64 02:30:09 all 0.30 0.00 0.17 0.02 0.04 99.49 02:30:09 0 0.28 0.00 0.16 0.02 0.03 99.50 02:30:09 1 0.31 0.00 0.17 0.01 0.04 99.47 02:40:09 all 0.23 0.00 0.07 0.01 0.03 99.66 02:40:09 0 0.05 0.00 0.07 0.02 0.04 99.82 02:40:09 1 0.40 0.00 0.06 0.00 0.03 99.50 02:50:09 all 0.47 0.00 0.09 0.01 0.03 99.41 02:50:09 0 0.27 0.00 0.12 0.02 0.04 99.56 02:50:09 1 0.67 0.00 0.06 0.01 0.02 99.25 03:00:09 all 12.27 0.00 1.81 0.49 0.07 85.36 03:00:09 0 11.55 0.00 1.80 0.46 0.07 86.12 03:00:09 1 12.99 0.00 1.82 0.52 0.07 84.60 Average: all 2.02 0.00 0.35 0.08 0.04 97.50 Average: 0 1.85 0.00 0.36 0.08 0.04 97.67 Average: 1 2.20 0.00 0.35 0.09 0.04 97.33