---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37271 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 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 793 5062 4 2379 7148 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:77:21:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80726sec preferred_lft 80726sec inet6 fe80::f816:3eff:fe77:21cf/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-37271) 07/20/26 _x86_64_ (2 CPU) 00:42:44 LINUX RESTART (2 CPU) 00:50:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:22 1.64 0.01 1.62 0.02 0.05 19.32 653.92 01:10:01 1.86 0.26 1.59 0.01 32.09 78.02 0.18 01:20:12 1.48 0.01 1.46 0.01 1.05 16.82 0.76 01:30:22 1.60 0.00 1.57 0.03 0.00 19.04 643.87 01:40:01 1.33 0.00 1.31 0.02 0.00 15.14 1.24 01:50:11 1.86 0.39 1.46 0.01 15.52 47.62 0.71 02:00:12 23.22 2.44 18.44 2.33 208.88 3498.43 711.47 02:10:01 1.49 0.00 1.49 0.00 0.00 68.76 0.04 Average: 4.33 0.39 3.63 0.31 32.29 472.97 254.16 00:50:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:22 6270796 7523052 297196 3.65 30744 1427316 522668 5.69 447568 1187788 124 01:10:01 6237504 7516992 302768 3.72 31076 1453884 722932 7.87 462020 1205924 144 01:20:12 6251460 7531820 287952 3.54 31284 1454528 522820 5.69 457364 1206464 200 01:30:22 6265512 7546448 273304 3.36 31516 1454864 522884 5.70 457256 1207024 144 01:40:01 6264956 7546544 273208 3.36 31708 1455308 522948 5.70 457912 1207540 312 01:50:11 6216240 7512968 306544 3.77 32052 1469928 541032 5.89 486800 1220996 172 02:00:12 5174332 7403168 362816 4.46 87516 2300952 635796 6.93 594824 2063548 588 02:10:01 5156672 7400572 365444 4.49 87660 2315852 637560 6.94 596428 2078612 268 Average: 5979684 7497696 308654 3.80 45444 1666579 578580 6.30 495022 1422237 244 00:50:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:22 ens3 0.55 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.27 0.24 13.23 0.05 0.00 0.00 0.00 0.00 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 0.49 0.08 0.26 0.05 0.00 0.00 0.00 0.00 01:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:22 ens3 0.30 0.04 0.06 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.56 0.25 0.14 0.55 0.00 0.00 0.00 0.00 01:50:11 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:11 ens3 10.78 4.92 19.71 2.59 0.00 0.00 0.00 0.00 02:00:12 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 02:00:12 ens3 71.48 55.20 308.24 10.04 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 46.29 42.90 10.34 5.83 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 16.46 12.94 44.24 2.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37271) 07/20/26 _x86_64_ (2 CPU) 00:42:44 LINUX RESTART (2 CPU) 00:50:22 CPU %user %nice %system %iowait %steal %idle 01:00:22 all 0.23 0.00 0.17 0.01 0.03 99.56 01:00:22 0 0.25 0.00 0.16 0.02 0.03 99.54 01:00:22 1 0.20 0.00 0.18 0.00 0.04 99.58 01:10:01 all 0.37 0.00 0.10 0.03 0.03 99.46 01:10:01 0 0.37 0.00 0.07 0.05 0.03 99.48 01:10:01 1 0.37 0.00 0.13 0.02 0.03 99.44 01:20:12 all 0.27 0.00 0.07 0.01 0.03 99.61 01:20:12 0 0.05 0.00 0.09 0.02 0.04 99.79 01:20:12 1 0.48 0.00 0.06 0.00 0.03 99.43 01:30:22 all 0.26 0.00 0.17 0.01 0.03 99.53 01:30:22 0 0.15 0.00 0.19 0.01 0.04 99.61 01:30:22 1 0.37 0.00 0.14 0.01 0.03 99.44 01:40:01 all 0.28 0.00 0.07 0.01 0.03 99.62 01:40:01 0 0.45 0.00 0.05 0.01 0.02 99.48 01:40:01 1 0.11 0.00 0.09 0.01 0.04 99.76 01:50:11 all 0.46 0.00 0.09 0.02 0.03 99.40 01:50:11 0 0.68 0.00 0.05 0.01 0.02 99.23 01:50:11 1 0.24 0.00 0.13 0.02 0.04 99.57 02:00:12 all 14.47 0.00 1.92 0.48 0.07 83.06 02:00:12 0 12.79 0.00 1.72 0.54 0.07 84.87 02:00:12 1 16.14 0.00 2.11 0.42 0.07 81.27 02:10:01 all 6.03 0.00 0.52 0.01 0.07 93.37 02:10:01 0 3.26 0.00 0.40 0.01 0.07 96.26 02:10:01 1 8.81 0.00 0.64 0.01 0.08 90.46 Average: all 2.79 0.00 0.39 0.07 0.04 96.71 Average: 0 2.24 0.00 0.34 0.08 0.04 97.29 Average: 1 3.33 0.00 0.43 0.06 0.04 96.13