---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21903 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 763 5201 4 2268 7178 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:d0:ba:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81380sec preferred_lft 81380sec inet6 fe80::f816:3eff:fed0:bacc/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-21903) 05/31/26 _x86_64_ (2 CPU) 01:56:25 LINUX RESTART (2 CPU) 02:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:08 13.96 0.03 1.39 12.54 1.39 16.66 109260.90 02:20:10 1.37 0.01 1.34 0.01 0.07 16.25 0.97 02:30:09 1.56 0.00 1.53 0.03 0.00 18.53 655.61 02:40:09 1.39 0.00 1.37 0.02 0.00 16.48 1.32 02:50:09 1.35 0.00 1.33 0.02 0.00 15.74 1.21 03:00:08 2.27 0.26 1.97 0.04 32.04 79.75 654.87 03:10:09 1.32 0.00 1.32 0.00 0.00 15.58 0.00 Average: 3.32 0.04 1.47 1.81 4.78 25.56 15783.88 02:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:08 6272212 7523776 296924 3.65 30644 1426564 536452 5.84 459984 1187348 136 02:20:10 6271456 7523596 297096 3.65 30880 1426896 536620 5.84 459988 1187916 224 02:30:09 6270704 7523384 297288 3.66 31084 1427224 536620 5.84 460172 1188448 172 02:40:09 6270704 7523920 296752 3.65 31296 1427544 536684 5.85 460264 1188980 180 02:50:09 6276288 7530036 290632 3.57 31496 1427876 536684 5.85 460332 1189512 176 03:00:08 6227820 7508932 311304 3.83 31896 1454448 536752 5.85 469780 1207280 124 03:10:09 6235632 7517244 302988 3.73 32064 1454776 536816 5.85 470512 1207776 272 Average: 6260688 7521555 298998 3.68 31337 1435047 536661 5.85 463005 1193894 183 02:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 1.03 0.04 0.09 0.01 0.00 0.00 0.00 0.00 02:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:10 ens3 0.44 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.57 0.04 4.31 0.01 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 0.48 0.05 0.13 0.03 0.00 0.00 0.00 0.00 02:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 0.29 0.04 0.07 0.03 0.00 0.00 0.00 0.00 03:00:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:08 ens3 0.60 0.27 3.22 0.07 0.00 0.00 0.00 0.00 03:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:09 ens3 0.43 0.15 0.08 0.51 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 0.55 0.09 1.14 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21903) 05/31/26 _x86_64_ (2 CPU) 01:56:25 LINUX RESTART (2 CPU) 02:00:08 CPU %user %nice %system %iowait %steal %idle 02:10:08 all 0.30 0.00 0.08 0.03 0.03 99.55 02:10:08 0 0.10 0.00 0.10 0.05 0.04 99.72 02:10:08 1 0.50 0.00 0.07 0.01 0.03 99.39 02:20:10 all 0.23 0.00 0.07 0.01 0.04 99.65 02:20:10 0 0.39 0.00 0.05 0.00 0.03 99.53 02:20:10 1 0.06 0.00 0.10 0.02 0.04 99.78 02:30:09 all 0.25 0.00 0.15 0.01 0.04 99.55 02:30:09 0 0.25 0.00 0.14 0.01 0.04 99.57 02:30:09 1 0.26 0.00 0.16 0.01 0.04 99.53 02:40:09 all 0.26 0.00 0.07 0.01 0.04 99.62 02:40:09 0 0.05 0.00 0.08 0.01 0.05 99.81 02:40:09 1 0.46 0.00 0.05 0.02 0.03 99.43 02:50:09 all 0.24 0.00 0.07 0.01 0.04 99.65 02:50:09 0 0.06 0.00 0.08 0.02 0.04 99.81 02:50:09 1 0.42 0.00 0.06 0.00 0.03 99.48 03:00:08 all 0.42 0.00 0.19 0.02 0.04 99.33 03:00:08 0 0.47 0.00 0.20 0.02 0.04 99.28 03:00:08 1 0.37 0.00 0.19 0.02 0.04 99.38 03:10:09 all 0.25 0.00 0.08 0.01 0.03 99.63 03:10:09 0 0.07 0.00 0.09 0.01 0.04 99.80 03:10:09 1 0.43 0.00 0.06 0.01 0.03 99.47 Average: all 0.28 0.00 0.10 0.01 0.04 99.57 Average: 0 0.20 0.00 0.10 0.02 0.04 99.65 Average: 1 0.36 0.00 0.10 0.01 0.03 99.49