---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30350 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 745 5225 4 2263 7196 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:d9:7d:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80388sec preferred_lft 80388sec inet6 fe80::f816:3eff:fed9:7d59/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30350) 06/25/26 _x86_64_ (2 CPU) 01:48:27 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:13 13.78 0.03 1.45 12.30 1.36 18.52 107678.84 02:10:01 1.20 0.01 1.18 0.01 0.05 14.59 0.86 02:20:01 1.14 0.00 1.13 0.02 0.01 14.15 1.20 02:30:13 1.91 0.25 1.62 0.04 31.37 75.40 427.90 02:40:13 1.27 0.00 1.26 0.01 0.00 15.24 0.97 02:50:13 1.39 0.00 1.38 0.02 0.00 16.33 1.20 03:00:03 25.85 3.08 20.45 2.33 231.36 3525.36 674.22 03:10:13 1.30 0.00 1.30 0.00 0.00 15.71 0.00 03:20:13 1.26 0.00 1.26 0.00 0.00 15.07 0.00 Average: 5.43 0.37 3.41 1.66 28.93 405.04 12299.23 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:13 6287256 7533524 287012 3.53 30568 1421608 528708 5.76 445188 1183204 132 02:10:01 6287004 7533808 286676 3.53 30772 1421940 528708 5.76 445240 1183728 264 02:20:01 6293880 7541232 279252 3.43 30992 1422252 528744 5.76 445308 1184272 264 02:30:13 6269240 7544008 275980 3.39 31392 1448884 528884 5.76 454476 1202228 136 02:40:13 6267264 7542684 277304 3.41 31580 1449340 528984 5.76 454760 1202744 132 02:50:13 6259648 7535596 284384 3.50 31776 1449668 531704 5.79 452796 1203268 132 03:00:03 5217576 7414488 352588 4.34 86952 2270344 637572 6.94 586980 2033560 212 03:10:13 5221348 7418756 348312 4.28 87084 2270704 637492 6.94 586816 2034052 132 03:20:13 5221348 7419228 347912 4.28 87208 2271052 637500 6.94 586912 2034524 132 Average: 5924952 7498147 304380 3.74 49814 1713977 565366 6.16 495386 1473509 171 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:13 ens3 1.69 0.10 0.30 0.04 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.43 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 0.77 0.04 6.90 0.01 0.00 0.00 0.00 0.00 02:30:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.51 0.21 3.30 0.03 0.00 0.00 0.00 0.00 02:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:13 ens3 0.31 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:13 ens3 0.35 0.08 0.11 0.05 0.00 0.00 0.00 0.00 03:00:03 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:03 ens3 69.67 45.55 320.84 11.64 0.00 0.00 0.00 0.00 03:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:13 ens3 1.49 0.20 0.19 0.03 0.00 0.00 0.00 0.00 03:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:13 ens3 0.40 0.21 0.08 0.03 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.26 5.07 36.20 1.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30350) 06/25/26 _x86_64_ (2 CPU) 01:48:27 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:13 all 0.32 0.00 0.18 0.03 0.03 99.45 02:00:13 0 0.41 0.00 0.16 0.03 0.02 99.39 02:00:13 1 0.22 0.00 0.20 0.04 0.03 99.50 02:10:01 all 0.25 0.00 0.07 0.01 0.02 99.65 02:10:01 0 0.06 0.00 0.07 0.00 0.03 99.83 02:10:01 1 0.44 0.00 0.06 0.02 0.02 99.46 02:20:01 all 0.26 0.00 0.07 0.01 0.03 99.63 02:20:01 0 0.07 0.00 0.09 0.02 0.03 99.79 02:20:01 1 0.45 0.00 0.05 0.01 0.02 99.48 02:30:13 all 0.39 0.00 0.20 0.79 0.03 98.59 02:30:13 0 0.36 0.00 0.21 1.51 0.03 97.89 02:30:13 1 0.42 0.00 0.19 0.07 0.03 99.30 02:40:13 all 0.26 0.00 0.07 0.01 0.02 99.63 02:40:13 0 0.06 0.00 0.08 0.01 0.03 99.82 02:40:13 1 0.46 0.00 0.06 0.02 0.02 99.45 02:50:13 all 0.29 0.00 0.07 0.02 0.03 99.59 02:50:13 0 0.12 0.00 0.09 0.04 0.03 99.73 02:50:13 1 0.45 0.00 0.06 0.01 0.02 99.46 03:00:03 all 12.31 0.00 1.87 1.65 0.06 84.11 03:00:03 0 9.66 0.00 1.67 0.98 0.05 87.64 03:00:03 1 14.96 0.00 2.07 2.32 0.07 80.58 03:10:13 all 0.39 0.00 0.13 0.01 0.05 99.43 03:10:13 0 0.28 0.00 0.17 0.00 0.06 99.48 03:10:13 1 0.49 0.00 0.08 0.02 0.03 99.37 03:20:13 all 0.39 0.00 0.13 0.01 0.04 99.44 03:20:13 0 0.28 0.00 0.18 0.00 0.06 99.48 03:20:13 1 0.49 0.00 0.07 0.02 0.02 99.40 Average: all 1.62 0.00 0.31 0.28 0.03 97.76 Average: 0 1.24 0.00 0.30 0.29 0.04 98.14 Average: 1 2.01 0.00 0.31 0.28 0.03 97.38