---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3746 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 772 5268 4 2188 7168 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:b0:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81614sec preferred_lft 81614sec inet6 fe80::f816:3eff:fe8e:b062/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3746) 04/17/26 _x86_64_ (2 CPU) 01:47:56 LINUX RESTART (2 CPU) 01:50:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.68 0.03 1.63 0.02 1.29 19.95 680.49 02:10:09 1.39 0.01 1.36 0.02 0.05 16.47 1.18 02:20:09 1.36 0.00 1.34 0.02 0.01 15.77 1.20 02:30:09 14.67 0.32 1.78 12.57 39.16 69.00 109619.86 02:40:09 1.43 0.01 1.41 0.02 1.05 23.55 1.15 02:50:09 1.18 0.00 1.17 0.02 0.00 14.35 1.09 03:00:01 22.77 3.22 17.30 2.25 235.83 3194.83 613.54 Average: 6.34 0.51 3.69 2.14 39.37 475.28 15928.91 01:50:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6283040 7534068 286344 3.52 30628 1426008 531584 5.79 448932 1187260 176 02:10:09 6282128 7533692 286728 3.53 30844 1426336 531732 5.79 449160 1187800 200 02:20:09 6289464 7541576 278844 3.43 31056 1426664 531740 5.79 449188 1188344 200 02:30:09 6227476 7508532 311292 3.83 31440 1454840 739304 8.05 466292 1205812 2224 02:40:09 6235784 7517696 302172 3.72 31652 1455484 531816 5.79 461020 1206348 204 02:50:09 6235784 7518392 301472 3.71 31872 1455940 531952 5.79 461460 1206904 264 03:00:01 5341712 7458020 313564 3.86 85928 2194448 558596 6.08 551900 1953556 280 Average: 6127913 7515997 297202 3.65 39060 1548531 565246 6.16 469707 1305146 507 01:50:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.96 0.06 0.11 0.04 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.38 0.03 0.05 0.01 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 0.30 0.03 0.17 0.01 0.00 0.00 0.00 0.00 02:30:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.53 0.22 3.29 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 0.38 0.11 0.11 0.06 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 0.47 0.12 0.18 0.10 0.00 0.00 0.00 0.00 03:00:01 lo 1.33 1.33 0.10 0.10 0.00 0.00 0.00 0.00 03:00:01 ens3 43.23 29.21 299.76 8.35 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 6.56 4.22 43.02 1.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3746) 04/17/26 _x86_64_ (2 CPU) 01:47:56 LINUX RESTART (2 CPU) 01:50:24 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.18 0.01 0.02 99.48 02:00:01 0 0.49 0.00 0.15 0.01 0.02 99.33 02:00:01 1 0.11 0.00 0.22 0.01 0.03 99.64 02:10:09 all 0.23 0.00 0.08 0.01 0.02 99.66 02:10:09 0 0.28 0.00 0.06 0.01 0.02 99.63 02:10:09 1 0.18 0.00 0.10 0.01 0.02 99.68 02:20:09 all 0.25 0.00 0.08 0.03 0.02 99.62 02:20:09 0 0.12 0.00 0.07 0.04 0.02 99.76 02:20:09 1 0.39 0.00 0.09 0.02 0.02 99.48 02:30:09 all 0.40 0.00 0.22 0.07 0.03 99.28 02:30:09 0 0.37 0.00 0.25 0.05 0.03 99.32 02:30:09 1 0.43 0.00 0.20 0.10 0.03 99.25 02:40:09 all 0.24 0.00 0.08 0.01 0.03 99.63 02:40:09 0 0.26 0.00 0.08 0.01 0.03 99.62 02:40:09 1 0.22 0.00 0.09 0.02 0.03 99.64 02:50:09 all 0.25 0.00 0.08 0.01 0.03 99.64 02:50:09 0 0.33 0.00 0.08 0.00 0.03 99.56 02:50:09 1 0.17 0.00 0.08 0.02 0.03 99.71 03:00:01 all 11.11 0.00 1.78 0.55 0.05 86.51 03:00:01 0 13.73 0.00 2.03 0.52 0.05 83.66 03:00:01 1 8.50 0.00 1.52 0.58 0.05 89.36 Average: all 1.81 0.00 0.36 0.10 0.03 97.71 Average: 0 2.21 0.00 0.39 0.09 0.03 97.29 Average: 1 1.42 0.00 0.33 0.11 0.03 98.12