---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26967 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 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 737 5230 4 2266 7204 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:22:02:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82459sec preferred_lft 82459sec inet6 fe80::f816:3eff:fe22:2b2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26967) 06/13/26 _x86_64_ (2 CPU) 00:41:17 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 1.44 0.01 1.42 0.02 0.05 17.96 869.40 01:10:01 1.16 0.00 1.16 0.00 0.00 14.35 0.00 01:20:05 1.13 0.00 1.13 0.00 0.01 13.80 0.12 01:30:06 1.41 0.00 1.40 0.01 0.00 17.50 869.85 01:40:05 14.36 0.26 1.51 12.59 32.25 74.37 109383.94 Average: 3.89 0.05 1.32 2.52 6.45 27.57 22168.52 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 6279476 7526364 294328 3.62 30676 1421880 527268 5.74 449908 1183564 184 01:10:01 6279028 7526408 294284 3.62 30836 1422208 527292 5.74 449968 1184052 124 01:20:05 6286868 7534728 285916 3.52 30988 1422532 527508 5.75 450512 1184528 224 01:30:06 6287660 7536036 284580 3.50 31164 1422864 527508 5.75 450384 1185032 156 01:40:05 6246776 7522452 297652 3.66 31512 1449448 527572 5.75 460320 1202736 236 Average: 6275962 7529198 291352 3.58 31035 1427786 527430 5.74 452218 1187982 185 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.91 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.70 0.05 5.44 0.03 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.61 0.11 0.18 0.10 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.32 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.92 0.43 3.30 0.73 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.69 0.14 1.81 0.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26967) 06/13/26 _x86_64_ (2 CPU) 00:41:17 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 0.27 0.00 0.17 0.01 0.02 99.52 01:00:06 0 0.27 0.00 0.16 0.01 0.02 99.55 01:00:06 1 0.28 0.00 0.18 0.01 0.03 99.50 01:10:01 all 0.25 0.00 0.07 0.01 0.02 99.65 01:10:01 0 0.05 0.00 0.08 0.01 0.03 99.83 01:10:01 1 0.46 0.00 0.05 0.00 0.02 99.47 01:20:05 all 0.28 0.00 0.07 0.01 0.02 99.62 01:20:05 0 0.29 0.00 0.06 0.00 0.02 99.62 01:20:05 1 0.27 0.00 0.08 0.01 0.02 99.62 01:30:06 all 0.29 0.00 0.17 0.01 0.02 99.51 01:30:06 0 0.07 0.00 0.19 0.01 0.03 99.71 01:30:06 1 0.51 0.00 0.15 0.01 0.02 99.31 01:40:05 all 0.38 0.00 0.10 0.04 0.02 99.45 01:40:05 0 0.29 0.00 0.10 0.02 0.02 99.57 01:40:05 1 0.47 0.00 0.11 0.06 0.02 99.33 Average: all 0.30 0.00 0.12 0.01 0.02 99.55 Average: 0 0.20 0.00 0.12 0.01 0.02 99.65 Average: 1 0.40 0.00 0.12 0.02 0.02 99.45