---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31497 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 774 5114 4 2346 7167 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:3d:23:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81258sec preferred_lft 81258sec inet6 fe80::f816:3eff:fe3d:2381/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31497) 06/29/26 _x86_64_ (2 CPU) 02:19:14 LINUX RESTART (2 CPU) 02:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:01 2.00 0.03 1.94 0.03 1.38 39.23 1099.78 02:40:04 1.16 0.01 1.15 0.01 0.05 14.20 0.72 02:50:04 1.83 0.25 1.55 0.03 30.95 75.34 1.37 03:00:04 1.61 0.00 1.58 0.02 1.05 19.29 0.43 03:10:04 1.35 0.00 1.35 0.00 0.00 15.84 0.00 03:20:06 1.48 0.00 1.48 0.00 0.01 17.05 0.00 03:30:08 1.70 0.00 1.68 0.02 0.00 20.82 0.36 03:40:09 40.65 3.00 21.93 15.72 226.94 4039.36 110000.49 Average: 6.47 0.41 4.08 1.98 32.53 529.79 13878.35 02:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 6284660 7535992 284836 3.50 30592 1426360 527796 5.75 444480 1187356 160 02:40:04 6284660 7536516 284344 3.50 30776 1426692 527800 5.75 444760 1187880 188 02:50:04 6250288 7529240 291116 3.58 31164 1453028 726184 7.91 459200 1205840 220 03:00:04 6254828 7534624 285656 3.51 31352 1453668 528020 5.75 453796 1206344 236 03:10:04 6254828 7535248 285040 3.50 31512 1454112 528020 5.75 453920 1206844 228 03:20:06 6254828 7535780 284496 3.50 31708 1454444 528016 5.75 453972 1207360 52 03:30:08 6244364 7525896 294216 3.62 31944 1454776 583292 6.35 459480 1207924 56 03:40:09 5166776 7383024 384252 4.72 87080 2289200 673948 7.34 625168 2052000 12020 Average: 6124404 7514540 299244 3.68 38266 1551535 577884 6.29 474347 1307694 1645 02:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 2.32 0.23 0.54 0.09 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 0.68 0.07 0.10 0.04 0.00 0.00 0.00 0.00 02:50:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 2.30 1.47 3.36 0.13 0.00 0.00 0.00 0.00 03:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:04 ens3 0.51 0.10 0.13 0.06 0.00 0.00 0.00 0.00 03:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:04 ens3 0.24 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:06 ens3 0.25 0.05 0.05 0.01 0.00 0.00 0.00 0.00 03:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:08 ens3 0.43 0.10 0.13 0.07 0.00 0.00 0.00 0.00 03:40:09 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:40:09 ens3 75.31 48.50 329.77 12.01 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 10.25 6.32 41.74 1.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31497) 06/29/26 _x86_64_ (2 CPU) 02:19:14 LINUX RESTART (2 CPU) 02:20:02 CPU %user %nice %system %iowait %steal %idle 02:30:01 all 0.40 0.00 0.26 0.02 0.02 99.31 02:30:01 0 0.23 0.00 0.28 0.02 0.02 99.45 02:30:01 1 0.57 0.00 0.24 0.01 0.02 99.17 02:40:04 all 0.29 0.00 0.09 0.01 0.01 99.59 02:40:04 0 0.08 0.00 0.12 0.01 0.01 99.77 02:40:04 1 0.51 0.00 0.06 0.00 0.01 99.42 02:50:04 all 0.36 0.00 0.12 0.02 0.01 99.49 02:50:04 0 0.11 0.00 0.11 0.01 0.01 99.76 02:50:04 1 0.62 0.00 0.13 0.03 0.01 99.21 03:00:04 all 0.30 0.00 0.18 0.01 0.01 99.50 03:00:04 0 0.10 0.00 0.20 0.01 0.01 99.69 03:00:04 1 0.51 0.00 0.17 0.01 0.01 99.31 03:10:04 all 0.26 0.00 0.08 0.01 0.01 99.64 03:10:04 0 0.07 0.00 0.10 0.01 0.01 99.81 03:10:04 1 0.45 0.00 0.06 0.01 0.01 99.47 03:20:06 all 0.24 0.00 0.09 0.05 0.02 99.60 03:20:06 0 0.17 0.00 0.09 0.03 0.01 99.70 03:20:06 1 0.31 0.00 0.09 0.07 0.03 99.51 03:30:08 all 0.26 0.00 0.20 0.01 0.01 99.52 03:30:08 0 0.33 0.00 0.16 0.02 0.01 99.48 03:30:08 1 0.19 0.00 0.23 0.00 0.01 99.56 03:40:09 all 12.91 0.00 1.89 0.74 0.05 84.42 03:40:09 0 8.54 0.00 1.45 0.53 0.04 89.44 03:40:09 1 17.27 0.00 2.32 0.94 0.05 79.41 Average: all 1.87 0.00 0.36 0.11 0.02 97.64 Average: 0 1.20 0.00 0.31 0.08 0.02 98.39 Average: 1 2.55 0.00 0.41 0.13 0.02 96.89