---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34135 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 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 764 5190 4 2279 7177 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:d2:0a:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82154sec preferred_lft 82154sec inet6 fe80::f816:3eff:fed2:a56/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34135) 07/09/26 _x86_64_ (2 CPU) 01:48:09 LINUX RESTART (2 CPU) 01:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 14.23 0.03 1.43 12.76 1.41 17.90 111473.89 02:10:31 1.24 0.01 1.23 0.00 0.05 14.72 0.11 02:20:21 1.39 0.00 1.38 0.00 0.01 15.88 0.12 02:30:01 2.17 0.27 1.88 0.02 33.11 81.07 675.57 02:40:31 1.36 0.00 1.36 0.00 0.00 15.83 0.00 02:50:11 1.35 0.00 1.35 0.00 0.00 15.89 0.00 Average: 3.58 0.05 1.44 2.10 5.58 26.51 18378.35 01:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6289728 7540740 279920 3.44 30592 1426076 529524 5.77 439912 1187492 236 02:10:31 6295060 7546632 274024 3.37 30788 1426436 529548 5.77 440804 1188048 248 02:20:21 6295060 7547140 273500 3.36 30972 1426764 529688 5.77 440876 1188552 176 02:30:01 6250940 7530556 289636 3.56 31348 1453516 529760 5.77 450080 1206612 240 02:40:31 6258304 7538456 281688 3.46 31520 1453876 529752 5.77 455768 1207144 128 02:50:11 6257044 7537796 282344 3.47 31688 1454300 529908 5.77 456356 1207608 184 Average: 6274356 7540220 280185 3.45 31151 1440161 529697 5.77 447299 1197576 202 01:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.34 0.05 0.13 0.03 0.00 0.00 0.00 0.00 02:10:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:31 ens3 0.52 0.11 0.30 0.02 0.00 0.00 0.00 0.00 02:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:21 ens3 0.16 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.90 0.45 4.41 0.04 0.00 0.00 0.00 0.00 02:40:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:31 ens3 0.27 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:11 ens3 0.41 0.21 0.16 0.45 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 0.60 0.15 0.83 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34135) 07/09/26 _x86_64_ (2 CPU) 01:48:09 LINUX RESTART (2 CPU) 01:50:11 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.35 0.00 0.20 0.03 0.03 99.40 02:00:01 0 0.15 0.00 0.22 0.03 0.03 99.58 02:00:01 1 0.54 0.00 0.18 0.04 0.02 99.22 02:10:31 all 0.27 0.00 0.07 0.03 0.02 99.60 02:10:31 0 0.30 0.00 0.08 0.02 0.02 99.58 02:10:31 1 0.24 0.00 0.07 0.04 0.03 99.63 02:20:21 all 0.25 0.00 0.08 0.02 0.02 99.63 02:20:21 0 0.44 0.00 0.06 0.02 0.02 99.46 02:20:21 1 0.05 0.00 0.09 0.03 0.02 99.81 02:30:01 all 0.38 0.00 0.21 0.03 0.02 99.36 02:30:01 0 0.42 0.00 0.19 0.04 0.02 99.33 02:30:01 1 0.35 0.00 0.22 0.01 0.03 99.39 02:40:31 all 0.25 0.00 0.07 0.03 0.02 99.63 02:40:31 0 0.45 0.00 0.06 0.04 0.01 99.44 02:40:31 1 0.05 0.00 0.08 0.03 0.02 99.81 02:50:11 all 0.27 0.00 0.07 0.07 0.02 99.57 02:50:11 0 0.45 0.00 0.05 0.02 0.02 99.46 02:50:11 1 0.08 0.00 0.08 0.12 0.03 99.69 Average: all 0.29 0.00 0.11 0.04 0.02 99.53 Average: 0 0.37 0.00 0.11 0.03 0.02 99.48 Average: 1 0.22 0.00 0.12 0.05 0.02 99.59