---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39074 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 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 764 5181 4 2288 7176 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:b6:ba:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81990sec preferred_lft 81990sec inet6 fe80::f816:3eff:feb6:ba5a/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-39074) 07/26/26 _x86_64_ (2 CPU) 02:36:49 LINUX RESTART (2 CPU) 02:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:02 1.94 0.28 1.65 0.01 33.26 77.17 0.35 03:00:12 1.64 0.01 1.60 0.03 0.05 19.64 643.39 03:10:01 1.32 0.00 1.30 0.02 0.00 15.74 1.22 03:20:01 1.43 0.00 1.41 0.02 0.01 16.92 1.20 03:30:30 1.67 0.00 1.63 0.04 0.00 20.50 624.65 03:40:01 1.41 0.00 1.39 0.02 0.00 16.53 229.91 03:50:01 28.85 2.93 21.89 4.03 231.80 3765.60 2554.58 Average: 5.47 0.46 4.41 0.59 37.88 561.89 583.71 02:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:02 6246972 7526632 293944 3.61 30816 1454148 522116 5.69 460004 1205284 216 03:00:12 6245264 7525512 295028 3.63 31044 1454476 522248 5.69 460436 1205844 160 03:10:01 6252096 7532896 287664 3.54 31260 1454804 522380 5.69 460484 1206388 276 03:20:01 6251592 7532936 287616 3.54 31476 1455128 522444 5.69 460528 1206928 276 03:30:30 6242284 7524352 295976 3.64 31712 1455596 577520 6.29 465756 1207496 132 03:40:01 6242284 7524888 295576 3.63 31916 1455912 522508 5.69 461268 1208024 272 03:50:01 5330056 7372428 403828 4.97 90556 2119664 652544 7.11 646308 1883228 31528 Average: 6115793 7505663 308519 3.79 39826 1549961 548823 5.98 487826 1303313 4694 02:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 2.02 0.50 3.49 0.06 0.00 0.00 0.00 0.00 03:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:12 ens3 0.54 0.09 0.10 0.06 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.33 0.03 0.06 0.01 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.35 0.04 0.17 0.01 0.00 0.00 0.00 0.00 03:30:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:30 ens3 0.37 0.07 0.11 0.06 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.50 0.24 0.10 0.61 0.00 0.00 0.00 0.00 03:50:01 lo 1.39 1.39 0.09 0.09 0.00 0.00 0.00 0.00 03:50:01 ens3 122.02 99.15 1617.35 86.57 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.02 14.31 231.68 12.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39074) 07/26/26 _x86_64_ (2 CPU) 02:36:49 LINUX RESTART (2 CPU) 02:40:01 CPU %user %nice %system %iowait %steal %idle 02:50:02 all 0.38 0.00 0.11 0.04 0.03 99.44 02:50:02 0 0.42 0.00 0.12 0.06 0.03 99.37 02:50:02 1 0.34 0.00 0.09 0.02 0.03 99.52 03:00:12 all 0.33 0.00 0.17 0.01 0.03 99.47 03:00:12 0 0.31 0.00 0.16 0.02 0.03 99.48 03:00:12 1 0.34 0.00 0.17 0.00 0.03 99.45 03:10:01 all 0.22 0.00 0.08 0.02 0.03 99.65 03:10:01 0 0.40 0.00 0.07 0.03 0.03 99.48 03:10:01 1 0.05 0.00 0.09 0.00 0.03 99.83 03:20:01 all 0.24 0.00 0.07 0.01 0.02 99.65 03:20:01 0 0.06 0.00 0.09 0.02 0.03 99.81 03:20:01 1 0.42 0.00 0.06 0.00 0.02 99.50 03:30:30 all 0.27 0.00 0.17 0.01 0.03 99.52 03:30:30 0 0.19 0.00 0.17 0.02 0.03 99.59 03:30:30 1 0.35 0.00 0.17 0.00 0.03 99.45 03:40:01 all 0.26 0.00 0.06 0.01 0.03 99.64 03:40:01 0 0.27 0.00 0.06 0.01 0.02 99.64 03:40:01 1 0.25 0.00 0.07 0.01 0.03 99.64 03:50:01 all 19.74 0.00 2.58 0.91 0.07 76.70 03:50:01 0 12.33 0.00 1.83 0.97 0.06 84.81 03:50:01 1 27.19 0.00 3.34 0.85 0.08 68.55 Average: all 3.05 0.00 0.46 0.14 0.03 96.31 Average: 0 1.99 0.00 0.36 0.16 0.03 97.46 Average: 1 4.11 0.00 0.57 0.13 0.04 95.16