---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1628 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 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 769 5110 4 2355 7172 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:e8:a0:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80853sec preferred_lft 80853sec inet6 fe80::f816:3eff:fee8:a024/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1628) 08/03/26 _x86_64_ (2 CPU) 00:42:53 LINUX RESTART (2 CPU) 00:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:10 1.61 0.01 1.57 0.03 0.05 19.45 872.85 01:10:00 1.30 0.00 1.28 0.02 0.00 15.23 1.22 01:20:10 1.39 0.00 1.37 0.02 0.01 16.31 1.30 01:30:10 1.57 0.00 1.54 0.03 0.00 18.96 872.73 01:40:01 14.66 0.26 1.64 12.76 31.62 78.30 110923.79 01:50:10 13.60 1.42 11.26 0.92 105.85 1839.33 527.25 02:00:10 12.38 1.41 9.54 1.44 119.23 1708.55 299.07 02:10:00 1.29 0.00 1.29 0.00 0.00 67.40 0.00 Average: 5.98 0.39 3.71 1.88 32.31 474.75 13999.07 00:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:10 6294360 7541788 278576 3.43 30704 1422380 525588 5.72 444368 1183700 196 01:10:00 6294108 7542064 278264 3.42 30904 1422712 525800 5.73 444636 1184232 156 01:20:10 6301696 7550208 270108 3.32 31128 1423036 525860 5.73 445188 1184776 176 01:30:10 6296276 7545336 274952 3.38 31332 1423368 525900 5.73 445172 1185316 132 01:40:01 6247260 7523868 295968 3.64 31716 1450172 726648 7.91 460072 1203584 288 01:50:10 5314012 7310252 468752 5.76 71404 2095036 695356 7.57 655588 1872764 216288 02:00:10 5193124 7410032 356296 4.38 87568 2288832 636652 6.93 594624 2052224 832 02:10:00 5176056 7407940 358368 4.41 87724 2303668 639480 6.97 597648 2067200 612 Average: 5889612 7478936 322660 3.97 50310 1728650 600160 6.54 510912 1491724 27335 00:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.53 0.04 0.06 0.01 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.45 0.11 0.10 0.05 0.00 0.00 0.00 0.00 01:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:10 ens3 0.56 0.12 3.64 0.06 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.58 0.08 0.68 0.05 0.00 0.00 0.00 0.00 01:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.96 0.45 3.38 0.54 0.00 0.00 0.00 0.00 01:50:10 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 01:50:10 ens3 35.43 23.40 273.58 5.74 0.00 0.00 0.00 0.00 02:00:10 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 02:00:10 ens3 56.14 42.36 44.94 8.13 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 40.66 39.12 9.07 5.30 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 16.93 13.20 42.54 2.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1628) 08/03/26 _x86_64_ (2 CPU) 00:42:53 LINUX RESTART (2 CPU) 00:50:10 CPU %user %nice %system %iowait %steal %idle 01:00:10 all 0.27 0.00 0.17 1.80 0.03 97.73 01:00:10 0 0.34 0.00 0.16 0.03 0.03 99.44 01:00:10 1 0.20 0.00 0.18 3.58 0.03 96.01 01:10:00 all 0.29 0.00 0.07 0.13 0.02 99.49 01:10:00 0 0.14 0.00 0.07 0.02 0.02 99.75 01:10:00 1 0.43 0.00 0.07 0.25 0.02 99.23 01:20:10 all 0.28 0.00 0.08 0.03 0.02 99.60 01:20:10 0 0.28 0.00 0.08 0.03 0.01 99.59 01:20:10 1 0.28 0.00 0.07 0.03 0.02 99.60 01:30:10 all 0.26 0.00 0.18 0.01 0.05 99.50 01:30:10 0 0.28 0.00 0.16 0.01 0.05 99.49 01:30:10 1 0.25 0.00 0.19 0.01 0.04 99.51 01:40:01 all 0.38 0.00 0.13 0.04 0.01 99.43 01:40:01 0 0.56 0.00 0.13 0.03 0.01 99.27 01:40:01 1 0.21 0.00 0.13 0.05 0.02 99.60 01:50:10 all 6.26 0.00 0.92 0.39 0.08 92.35 01:50:10 0 5.43 0.00 0.88 0.42 0.10 93.18 01:50:10 1 7.09 0.00 0.96 0.36 0.06 91.53 02:00:10 all 10.97 0.00 1.46 0.44 0.08 87.05 02:00:10 0 9.81 0.00 1.44 0.46 0.09 88.21 02:00:10 1 12.12 0.00 1.49 0.42 0.07 85.89 02:10:00 all 5.78 0.00 0.55 0.01 0.13 93.53 02:10:00 0 5.35 0.00 0.49 0.01 0.13 94.02 02:10:00 1 6.21 0.00 0.62 0.02 0.13 93.03 Average: all 3.05 0.00 0.44 0.36 0.05 96.09 Average: 0 2.77 0.00 0.42 0.13 0.05 96.63 Average: 1 3.34 0.00 0.46 0.59 0.05 95.55