---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28179 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 745 5211 4 2277 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:b7:57:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81651sec preferred_lft 81651sec inet6 fe80::f816:3eff:feb7:5737/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28179) 06/18/26 _x86_64_ (2 CPU) 00:44:36 LINUX RESTART (2 CPU) 00:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 2.18 0.27 1.88 0.04 32.62 79.19 665.59 01:10:01 1.44 0.00 1.43 0.00 0.00 17.32 0.11 01:20:16 1.24 0.00 1.24 0.00 0.01 15.17 212.47 01:30:01 1.36 0.00 1.35 0.02 0.00 17.44 893.42 01:40:01 1.09 0.00 1.09 0.00 0.00 14.12 0.00 01:50:06 1.35 0.25 1.10 0.00 8.61 30.67 0.00 02:00:01 24.23 2.77 19.14 2.32 220.53 3456.09 572.41 Average: 4.68 0.47 3.88 0.34 37.22 516.37 331.36 00:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 6240572 7515444 304812 3.75 30856 1449316 524884 5.72 456804 1200724 232 01:10:01 6251688 7527088 293048 3.60 31048 1449648 580160 6.32 462220 1201244 148 01:20:16 6260816 7536724 283476 3.49 31224 1449968 525148 5.72 457392 1201744 124 01:30:01 6258388 7534820 285364 3.51 31404 1450296 525140 5.72 457588 1202252 124 01:40:01 6257888 7534944 285236 3.51 31564 1450752 525412 5.72 457916 1202740 164 01:50:06 6261756 7547096 272980 3.36 31788 1458748 531112 5.78 465348 1210128 268 02:00:01 5207956 7410232 357048 4.39 86956 2275512 626588 6.82 593372 2037328 440 Average: 6105581 7515193 297423 3.66 39263 1569177 548349 5.97 478663 1322309 214 00:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.84 0.23 3.26 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.53 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 0.45 0.08 0.11 0.05 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.32 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.48 0.21 0.13 0.54 0.00 0.00 0.00 0.00 01:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 4.93 2.66 9.94 0.72 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 113.32 78.85 317.24 17.68 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.20 11.69 47.08 2.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28179) 06/18/26 _x86_64_ (2 CPU) 00:44:36 LINUX RESTART (2 CPU) 00:50:16 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 0.41 0.00 0.20 0.03 0.03 99.34 01:00:06 0 0.51 0.00 0.23 0.05 0.03 99.18 01:00:06 1 0.30 0.00 0.17 0.01 0.03 99.49 01:10:01 all 0.29 0.00 0.09 0.01 0.03 99.59 01:10:01 0 0.20 0.00 0.09 0.01 0.02 99.67 01:10:01 1 0.37 0.00 0.08 0.01 0.03 99.51 01:20:16 all 0.26 0.00 0.08 0.01 0.03 99.62 01:20:16 0 0.08 0.00 0.09 0.01 0.03 99.79 01:20:16 1 0.45 0.00 0.07 0.00 0.03 99.45 01:30:01 all 0.27 0.00 0.17 0.01 0.03 99.53 01:30:01 0 0.08 0.00 0.17 0.01 0.03 99.70 01:30:01 1 0.45 0.00 0.16 0.01 0.03 99.35 01:40:01 all 0.24 0.00 0.07 0.01 0.03 99.65 01:40:01 0 0.17 0.00 0.08 0.01 0.03 99.72 01:40:01 1 0.31 0.00 0.06 0.01 0.04 99.59 01:50:06 all 0.35 0.00 0.07 0.01 0.04 99.53 01:50:06 0 0.14 0.00 0.09 0.01 0.04 99.72 01:50:06 1 0.55 0.00 0.06 0.01 0.03 99.34 02:00:01 all 14.46 0.00 2.07 0.57 0.07 82.81 02:00:01 0 13.57 0.00 2.11 0.49 0.08 83.74 02:00:01 1 15.36 0.00 2.03 0.65 0.07 81.89 Average: all 2.31 0.00 0.39 0.09 0.04 97.17 Average: 0 2.10 0.00 0.41 0.08 0.04 97.37 Average: 1 2.53 0.00 0.37 0.10 0.04 96.96