---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30993 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 767 5160 4 2306 7174 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:dd:a1:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.188/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82134sec preferred_lft 82134sec inet6 fe80::f816:3eff:fedd:a1ed/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-30993) 06/27/26 _x86_64_ (2 CPU) 01:47:50 LINUX RESTART (2 CPU) 01:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.46 0.03 1.42 0.01 1.28 17.71 450.08 02:10:19 1.78 0.25 1.51 0.02 30.10 73.45 0.98 02:20:19 13.94 0.01 1.38 12.56 1.21 16.72 109126.59 02:30:01 1.52 0.00 1.51 0.01 0.00 18.01 0.28 02:40:19 1.43 0.00 1.43 0.00 0.00 16.81 0.00 02:50:19 1.35 0.00 1.35 0.00 0.00 15.99 0.00 Average: 3.58 0.05 1.43 2.10 5.58 26.73 18260.37 01:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6279356 7525924 294512 3.62 30536 1421892 528528 5.76 446240 1183120 160 02:10:19 6233156 7506812 313108 3.85 30928 1448232 726820 7.92 460696 1201092 168 02:20:19 6255656 7530228 289624 3.56 31144 1448916 528664 5.76 455372 1201652 164 02:30:01 6252920 7527996 291780 3.59 31304 1449240 528656 5.76 455636 1202136 268 02:40:19 6260732 7536468 283264 3.48 31492 1449704 528656 5.76 455936 1202660 168 02:50:19 6268320 7544556 275208 3.38 31660 1450032 528788 5.76 456276 1203156 188 Average: 6258357 7528664 291249 3.58 31177 1444669 561685 6.12 455026 1198969 186 01:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.13 0.12 0.24 0.04 0.00 0.00 0.00 0.00 02:10:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:19 ens3 1.02 0.43 3.12 0.04 0.00 0.00 0.00 0.00 02:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 0.71 0.04 2.34 0.01 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 0.73 0.07 0.87 0.04 0.00 0.00 0.00 0.00 02:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:19 ens3 0.40 0.10 0.11 0.06 0.00 0.00 0.00 0.00 02:50:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:19 ens3 0.57 0.23 0.15 0.59 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 0.76 0.17 1.15 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30993) 06/27/26 _x86_64_ (2 CPU) 01:47:50 LINUX RESTART (2 CPU) 01:50:19 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.32 0.00 0.21 0.17 0.24 99.06 02:00:01 0 0.18 0.00 0.18 0.23 0.33 99.07 02:00:01 1 0.47 0.00 0.24 0.10 0.15 99.05 02:10:19 all 0.37 0.00 0.12 0.03 0.02 99.47 02:10:19 0 0.21 0.00 0.10 0.02 0.02 99.64 02:10:19 1 0.53 0.00 0.13 0.03 0.02 99.29 02:20:19 all 0.26 0.00 0.09 0.07 0.02 99.55 02:20:19 0 0.25 0.00 0.11 0.05 0.02 99.56 02:20:19 1 0.27 0.00 0.07 0.10 0.02 99.55 02:30:01 all 0.29 0.00 0.16 0.03 0.02 99.50 02:30:01 0 0.28 0.00 0.16 0.06 0.02 99.48 02:30:01 1 0.30 0.00 0.17 0.00 0.02 99.51 02:40:19 all 0.25 0.00 0.08 0.02 0.02 99.62 02:40:19 0 0.06 0.00 0.09 0.00 0.02 99.83 02:40:19 1 0.45 0.00 0.08 0.04 0.02 99.41 02:50:19 all 0.25 0.00 0.08 0.01 0.03 99.63 02:50:19 0 0.20 0.00 0.08 0.01 0.03 99.69 02:50:19 1 0.31 0.00 0.08 0.01 0.03 99.57 Average: all 0.29 0.00 0.12 0.05 0.06 99.47 Average: 0 0.20 0.00 0.12 0.06 0.07 99.55 Average: 1 0.39 0.00 0.13 0.05 0.04 99.40