---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6954 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 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 749 5201 4 2284 7191 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:8e:3f:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83274sec preferred_lft 83274sec inet6 fe80::f816:3eff:fe8e:3f31/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6954) 09/11/26 _x86_64_ (2 CPU) 00:40:57 LINUX RESTART (2 CPU) 00:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 23.38 2.83 18.38 2.17 223.25 2841.02 891.09 01:10:06 3.65 0.01 3.52 0.12 0.99 666.57 4.05 01:20:06 1.24 0.00 1.24 0.00 0.01 15.08 0.08 01:30:06 1.45 0.00 1.44 0.02 0.00 18.20 0.49 Average: 7.43 0.71 6.14 0.58 56.06 885.23 223.93 00:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 5176028 7399800 366276 4.50 86788 2297768 796932 8.68 603508 2059208 189748 01:10:06 5188080 7411312 354732 4.36 87320 2296660 829944 9.04 592320 2058524 112 01:20:06 5186568 7410316 355704 4.37 87488 2297008 830176 9.04 592496 2059040 200 01:30:06 5173028 7397384 368572 4.53 87612 2297488 830204 9.04 592476 2059516 216 Average: 5180926 7404703 361321 4.44 87302 2297231 821814 8.95 595200 2059072 47569 00:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:00:06 ens3 57.89 38.05 317.67 8.03 0.00 0.00 0.00 0.00 01:10:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 23.31 13.55 5.00 3.88 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 0.94 0.23 0.15 0.07 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.64 0.24 0.13 0.06 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 20.69 13.02 80.74 3.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6954) 09/11/26 _x86_64_ (2 CPU) 00:40:57 LINUX RESTART (2 CPU) 00:50:06 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 11.19 0.00 1.98 0.57 0.03 86.24 01:00:06 0 7.18 0.00 1.76 0.42 0.03 90.61 01:00:06 1 15.21 0.00 2.20 0.71 0.02 81.85 01:10:06 all 1.07 0.00 0.29 0.04 0.03 98.57 01:10:06 0 0.58 0.00 0.29 0.04 0.03 99.06 01:10:06 1 1.57 0.00 0.29 0.04 0.02 98.08 01:20:06 all 0.39 0.00 0.14 0.01 0.02 99.44 01:20:06 0 0.51 0.00 0.07 0.01 0.01 99.41 01:20:06 1 0.27 0.00 0.22 0.01 0.02 99.47 01:30:06 all 0.42 0.00 0.23 0.01 0.03 99.32 01:30:06 0 0.54 0.00 0.17 0.01 0.01 99.27 01:30:06 1 0.30 0.00 0.29 0.01 0.04 99.36 Average: all 3.27 0.00 0.66 0.16 0.02 95.89 Average: 0 2.20 0.00 0.57 0.12 0.02 97.09 Average: 1 4.35 0.00 0.75 0.19 0.03 94.68