---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21898 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 771 5203 4 2258 7170 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:69:3a:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.94/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81455sec preferred_lft 81455sec inet6 fe80::f816:3eff:fe69:3a30/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21898) 05/31/26 _x86_64_ (2 CPU) 01:56:12 LINUX RESTART (2 CPU) 02:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.43 0.03 1.41 0.00 1.26 16.59 0.12 02:20:10 1.29 0.01 1.28 0.00 0.07 15.48 0.12 02:30:10 1.89 0.25 1.61 0.03 30.97 76.00 653.99 02:40:01 1.19 0.01 1.17 0.02 1.07 14.62 1.15 02:50:00 1.14 0.00 1.12 0.02 0.00 14.07 1.22 03:00:10 1.46 0.00 1.43 0.03 0.00 18.10 643.70 03:10:01 1.19 0.00 1.19 0.00 0.00 14.28 0.00 Average: 1.37 0.04 1.32 0.01 4.77 24.19 187.71 02:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6286532 7537172 283448 3.49 30656 1425620 522464 5.69 449384 1187376 124 02:20:10 6285780 7536932 283688 3.49 30848 1425952 522588 5.69 449520 1187892 184 02:30:10 6242800 7520836 299160 3.68 31204 1452100 718716 7.83 463912 1205632 200 02:40:01 6242324 7521212 298820 3.67 31408 1452728 522512 5.69 458880 1206160 124 02:50:00 6242324 7521820 298184 3.67 31616 1453132 522680 5.69 459128 1206700 176 03:00:10 6256476 7536516 283428 3.49 31820 1453452 522808 5.69 459500 1207232 44 03:10:01 6264064 7544728 275204 3.38 31988 1453900 522808 5.69 459684 1207720 124 Average: 6260043 7531317 288847 3.55 31363 1445269 550654 6.00 457144 1201245 139 02:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.05 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 0.45 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:30:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 0.59 0.22 3.16 0.03 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.46 0.05 0.10 0.03 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:10 ens3 0.41 0.18 0.11 0.43 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.32 0.04 0.05 0.01 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 0.51 0.09 0.52 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21898) 05/31/26 _x86_64_ (2 CPU) 01:56:12 LINUX RESTART (2 CPU) 02:00:10 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.29 0.00 0.09 0.01 0.02 99.59 02:10:01 0 0.07 0.00 0.09 0.01 0.03 99.80 02:10:01 1 0.51 0.00 0.08 0.01 0.02 99.37 02:20:10 all 0.26 0.00 0.08 0.03 0.02 99.61 02:20:10 0 0.05 0.00 0.08 0.02 0.02 99.82 02:20:10 1 0.47 0.00 0.08 0.03 0.02 99.40 02:30:10 all 0.39 0.00 0.19 0.11 0.02 99.29 02:30:10 0 0.45 0.00 0.22 0.12 0.02 99.20 02:30:10 1 0.33 0.00 0.17 0.09 0.02 99.38 02:40:01 all 0.29 0.00 0.08 0.02 0.02 99.60 02:40:01 0 0.11 0.00 0.08 0.00 0.02 99.78 02:40:01 1 0.47 0.00 0.07 0.04 0.02 99.41 02:50:00 all 0.25 0.00 0.08 0.06 0.02 99.58 02:50:00 0 0.37 0.00 0.07 0.01 0.02 99.53 02:50:00 1 0.14 0.00 0.09 0.12 0.02 99.62 03:00:10 all 0.28 0.00 0.17 0.02 0.02 99.50 03:00:10 0 0.27 0.00 0.17 0.00 0.02 99.54 03:00:10 1 0.30 0.00 0.17 0.04 0.02 99.47 03:10:01 all 0.23 0.00 0.07 0.01 0.02 99.67 03:10:01 0 0.29 0.00 0.06 0.01 0.02 99.62 03:10:01 1 0.18 0.00 0.08 0.01 0.02 99.71 Average: all 0.29 0.00 0.11 0.04 0.02 99.55 Average: 0 0.23 0.00 0.11 0.03 0.02 99.61 Average: 1 0.34 0.00 0.11 0.05 0.02 99.48