---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35885 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 742 5208 4 2284 7199 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:71:2e:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82263sec preferred_lft 82263sec inet6 fe80::f816:3eff:fe71:2e10/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35885) 07/15/26 _x86_64_ (2 CPU) 01:48:42 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:32 1.40 0.02 1.36 0.01 1.18 17.18 414.39 02:10:32 1.40 0.03 1.35 0.01 2.20 16.57 0.76 02:20:01 1.20 0.00 1.18 0.02 0.01 14.25 1.15 02:30:15 1.32 0.00 1.28 0.03 0.00 16.85 427.00 02:40:32 13.52 0.00 1.30 12.22 0.14 15.68 106219.69 02:50:01 1.76 0.27 1.46 0.03 33.76 77.93 1.39 Average: 3.48 0.05 1.32 2.11 5.94 25.91 18338.25 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:32 6293828 7545068 275492 3.39 30620 1426244 528228 5.75 448812 1187380 176 02:10:32 6279240 7531680 288856 3.55 30844 1427220 528228 5.75 449444 1188012 144 02:20:01 6282276 7535248 285292 3.51 31044 1427536 528252 5.75 449404 1188536 276 02:30:15 6285936 7539476 280968 3.45 31260 1427868 528480 5.76 449556 1189084 188 02:40:32 6293752 7547880 272536 3.35 31460 1428240 528480 5.76 449872 1189628 132 02:50:01 6252320 7534084 285896 3.52 31824 1455168 528544 5.76 459528 1207688 160 Average: 6281225 7538906 281507 3.46 31175 1432046 528369 5.75 451103 1191721 179 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:32 ens3 1.55 0.07 0.30 0.03 0.00 0.00 0.00 0.00 02:10:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:32 ens3 0.39 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.30 0.02 0.05 0.01 0.00 0.00 0.00 0.00 02:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 0.16 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:40:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:32 ens3 0.52 0.12 0.20 0.10 0.00 0.00 0.00 0.00 02:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.54 0.26 3.43 0.07 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 0.59 0.09 0.65 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35885) 07/15/26 _x86_64_ (2 CPU) 01:48:42 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:32 all 0.33 0.00 0.15 0.02 0.03 99.48 02:00:32 0 0.50 0.00 0.13 0.01 0.02 99.34 02:00:32 1 0.15 0.00 0.17 0.02 0.03 99.63 02:10:32 all 0.28 0.00 0.08 0.01 0.03 99.60 02:10:32 0 0.24 0.00 0.07 0.02 0.02 99.65 02:10:32 1 0.32 0.00 0.09 0.01 0.03 99.55 02:20:01 all 0.26 0.00 0.07 0.02 0.03 99.63 02:20:01 0 0.05 0.00 0.09 0.01 0.03 99.81 02:20:01 1 0.47 0.00 0.05 0.02 0.02 99.45 02:30:15 all 0.28 0.00 0.15 0.01 0.02 99.53 02:30:15 0 0.07 0.00 0.18 0.03 0.03 99.70 02:30:15 1 0.49 0.00 0.13 0.00 0.02 99.36 02:40:32 all 0.27 0.00 0.09 0.06 0.02 99.56 02:40:32 0 0.07 0.00 0.10 0.08 0.03 99.73 02:40:32 1 0.47 0.00 0.08 0.05 0.02 99.38 02:50:01 all 0.37 0.00 0.11 0.04 0.02 99.46 02:50:01 0 0.38 0.00 0.14 0.07 0.02 99.39 02:50:01 1 0.36 0.00 0.08 0.01 0.02 99.54 Average: all 0.30 0.00 0.11 0.03 0.02 99.54 Average: 0 0.22 0.00 0.12 0.03 0.03 99.60 Average: 1 0.37 0.00 0.10 0.02 0.02 99.48