---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25757 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 8.1G 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 761 5020 4 2460 7180 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:97:ef:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81985sec preferred_lft 81985sec inet6 fe80::f816:3eff:fe97:ef23/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25757) 06/08/26 _x86_64_ (2 CPU) 01:56:55 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:07 1.94 0.28 1.65 0.01 32.94 75.17 0.34 02:20:24 1.53 0.03 1.48 0.02 2.15 17.77 1.09 02:30:01 1.59 0.00 1.56 0.03 0.00 18.94 1.47 02:40:07 1.38 0.00 1.37 0.02 0.00 16.43 1.19 02:50:07 1.41 0.00 1.39 0.02 0.00 16.55 1.20 03:00:01 1.53 0.00 1.50 0.03 0.00 18.03 1.48 03:10:07 26.42 3.02 20.19 3.22 228.59 3582.65 779.66 Average: 5.15 0.48 4.18 0.48 38.01 539.66 113.33 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:07 6256048 7533368 286864 3.53 30804 1451804 521732 5.68 455060 1204376 220 02:20:24 6257400 7535940 284276 3.50 31044 1452772 521868 5.68 455708 1205024 132 02:30:01 6257804 7536912 283256 3.48 31248 1453096 521872 5.68 455620 1205552 124 02:40:07 6256772 7536416 283736 3.49 31448 1453432 521904 5.68 455892 1206080 156 02:50:07 6255972 7536156 283996 3.49 31656 1453748 523904 5.71 456072 1206612 164 03:00:01 6263716 7544564 275552 3.39 31848 1454212 523964 5.71 456312 1207140 156 03:10:07 5203900 7411128 356424 4.38 89408 2278156 587384 6.40 585224 2042004 14196 Average: 6107373 7519212 293443 3.61 39637 1571031 531804 5.79 474270 1325255 2164 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 1.35 0.22 3.16 0.03 0.00 0.00 0.00 0.00 02:20:24 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:20:24 ens3 0.43 0.06 0.06 0.02 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.32 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.48 0.08 0.13 0.06 0.00 0.00 0.00 0.00 02:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:07 ens3 0.31 0.05 0.08 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.41 0.11 0.13 0.07 0.00 0.00 0.00 0.00 03:10:07 lo 1.36 1.36 0.09 0.09 0.00 0.00 0.00 0.00 03:10:07 ens3 99.36 69.71 323.09 18.24 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.79 10.13 47.08 2.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25757) 06/08/26 _x86_64_ (2 CPU) 01:56:55 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:07 all 0.33 0.00 0.10 0.02 0.03 99.51 02:10:07 0 0.32 0.00 0.13 0.03 0.03 99.49 02:10:07 1 0.35 0.00 0.08 0.01 0.03 99.53 02:20:24 all 0.30 0.00 0.09 0.01 0.03 99.57 02:20:24 0 0.20 0.00 0.10 0.02 0.03 99.65 02:20:24 1 0.40 0.00 0.08 0.00 0.03 99.49 02:30:01 all 0.25 0.00 0.16 0.01 0.03 99.55 02:30:01 0 0.39 0.00 0.15 0.01 0.02 99.43 02:30:01 1 0.12 0.00 0.17 0.01 0.03 99.67 02:40:07 all 0.24 0.00 0.07 0.01 0.03 99.65 02:40:07 0 0.05 0.00 0.07 0.02 0.03 99.83 02:40:07 1 0.43 0.00 0.06 0.00 0.03 99.47 02:50:07 all 0.28 0.00 0.07 0.01 0.03 99.61 02:50:07 0 0.14 0.00 0.08 0.01 0.03 99.75 02:50:07 1 0.43 0.00 0.06 0.01 0.03 99.48 03:00:01 all 0.29 0.00 0.17 0.01 0.03 99.50 03:00:01 0 0.37 0.00 0.15 0.02 0.03 99.43 03:00:01 1 0.21 0.00 0.19 0.01 0.03 99.57 03:10:07 all 14.63 0.00 2.05 0.54 0.05 82.72 03:10:07 0 16.31 0.00 2.12 0.70 0.05 80.82 03:10:07 1 12.96 0.00 1.98 0.38 0.05 84.62 Average: all 2.35 0.00 0.39 0.09 0.03 97.14 Average: 0 2.56 0.00 0.40 0.12 0.03 96.89 Average: 1 2.14 0.00 0.37 0.06 0.03 97.39