---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6866 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 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 759 5294 4 2176 7182 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:da:c1:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80682sec preferred_lft 80682sec inet6 fe80::f816:3eff:feda:c132/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6866) 04/23/26 _x86_64_ (2 CPU) 00:42:06 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 1.38 0.01 1.36 0.02 0.05 17.35 654.15 01:10:05 1.71 0.32 1.37 0.03 39.01 71.87 1.40 01:20:05 1.20 0.00 1.19 0.01 0.01 14.35 0.36 01:30:04 1.42 0.00 1.41 0.01 0.00 17.66 872.10 01:40:00 1.65 0.40 1.25 0.00 15.93 46.73 0.00 01:50:05 22.75 2.59 17.96 2.19 210.52 3081.68 639.59 02:00:05 14.96 0.00 1.52 13.44 0.15 19.28 106791.19 02:10:04 1.37 0.00 1.37 0.00 0.00 15.79 0.00 Average: 5.83 0.42 3.45 1.96 33.42 413.73 13622.65 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6298564 7545840 274700 3.38 30680 1422240 529644 5.77 440688 1183440 200 01:10:05 6249760 7526056 293772 3.61 31056 1450508 740568 8.07 457904 1201020 192 01:20:05 6256592 7533392 286440 3.52 31228 1450836 740696 8.07 458308 1201520 172 01:30:04 6256060 7533460 286348 3.52 31420 1451224 740688 8.07 458216 1202036 180 01:40:00 6235516 7527964 291472 3.58 31720 1465904 757004 8.25 488720 1215480 220 01:50:05 5302932 7413776 357880 4.40 85012 2189956 839716 9.15 590868 1948676 200 02:00:05 5297116 7408608 362920 4.46 85128 2190476 840740 9.16 591096 1949156 180 02:10:04 5296360 7408348 363172 4.47 85268 2190832 840740 9.16 591208 1949652 196 Average: 5899112 7487180 314588 3.87 51439 1726497 753724 8.21 509626 1481372 192 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.62 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:10:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.86 0.21 10.62 0.05 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.41 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 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 8.41 5.26 20.09 3.17 0.00 0.00 0.00 0.00 01:50:05 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:05 ens3 53.15 37.28 277.29 8.33 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 1.47 0.29 0.18 0.05 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 0.55 0.18 0.09 0.03 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 8.27 5.46 38.84 1.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6866) 04/23/26 _x86_64_ (2 CPU) 00:42:06 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.28 0.00 0.17 0.14 0.02 99.39 01:00:05 0 0.27 0.00 0.18 0.21 0.02 99.33 01:00:05 1 0.30 0.00 0.16 0.08 0.02 99.45 01:10:05 all 0.38 0.00 0.12 0.17 0.02 99.30 01:10:05 0 0.43 0.00 0.12 0.14 0.02 99.30 01:10:05 1 0.34 0.00 0.13 0.21 0.02 99.31 01:20:05 all 0.27 0.00 0.07 0.06 0.02 99.59 01:20:05 0 0.46 0.00 0.05 0.11 0.01 99.37 01:20:05 1 0.07 0.00 0.10 0.01 0.02 99.80 01:30:04 all 0.29 0.00 0.17 0.03 0.02 99.50 01:30:04 0 0.37 0.00 0.16 0.01 0.02 99.44 01:30:04 1 0.21 0.00 0.17 0.04 0.02 99.56 01:40:00 all 0.55 0.00 0.10 0.05 0.02 99.27 01:40:00 0 0.67 0.00 0.10 0.07 0.02 99.15 01:40:00 1 0.43 0.00 0.10 0.04 0.03 99.40 01:50:05 all 10.83 0.00 1.67 1.64 0.06 85.81 01:50:05 0 13.97 0.00 1.96 1.97 0.05 82.05 01:50:05 1 7.70 0.00 1.37 1.30 0.06 89.57 02:00:05 all 0.39 0.00 0.23 0.07 0.05 99.26 02:00:05 0 0.36 0.00 0.25 0.06 0.05 99.29 02:00:05 1 0.42 0.00 0.22 0.08 0.05 99.23 02:10:04 all 0.37 0.00 0.13 0.04 0.05 99.42 02:10:04 0 0.42 0.00 0.08 0.00 0.03 99.48 02:10:04 1 0.33 0.00 0.17 0.07 0.07 99.36 Average: all 1.68 0.00 0.33 0.28 0.03 97.68 Average: 0 2.13 0.00 0.36 0.32 0.03 97.16 Average: 1 1.23 0.00 0.30 0.23 0.04 98.20