---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10217 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 785 5251 4 2193 7156 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:29:36:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81319sec preferred_lft 81319sec inet6 fe80::f816:3eff:fe29:367e/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-10217) 05/02/26 _x86_64_ (2 CPU) 00:39:56 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:03 8.47 3.41 4.97 0.09 399.87 5447.42 219.81 01:00:04 1.45 0.01 1.42 0.03 0.05 17.53 653.76 01:10:04 1.22 0.00 1.20 0.02 0.00 14.77 1.21 01:20:04 1.72 0.25 1.44 0.02 30.97 72.48 1.25 01:30:04 1.47 0.00 1.43 0.03 1.05 18.19 654.30 01:40:04 1.26 0.00 1.24 0.02 0.00 15.39 1.32 01:50:04 1.18 0.00 1.18 0.00 0.00 14.17 0.24 02:00:03 36.16 3.03 17.39 15.75 228.61 3178.36 107815.85 Average: 6.61 0.84 3.78 1.99 82.72 1099.38 13638.20 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:03 6290204 7537076 283248 3.48 30532 1422008 529180 5.76 442544 1183044 248 01:00:04 6290256 7537684 282748 3.48 30744 1422340 529380 5.77 445648 1183584 216 01:10:04 6290256 7538232 282204 3.47 30964 1422660 529380 5.77 445896 1184128 188 01:20:04 6237396 7511996 308000 3.79 31320 1448588 723784 7.88 460576 1201648 196 01:30:04 6251140 7526620 293340 3.61 31532 1449232 529564 5.77 455736 1202192 256 01:40:04 6258952 7535076 284852 3.50 31744 1449672 529716 5.77 456224 1202696 196 01:50:04 6258952 7535608 284328 3.50 31912 1450008 529788 5.77 456328 1203220 236 02:00:03 5261200 7381660 389748 4.79 85084 2199416 662952 7.22 626768 1960176 1300 Average: 6142294 7512994 301058 3.70 37979 1532990 570468 6.21 473715 1290086 354 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:03 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 00:50:03 ens3 22.13 8.67 67.74 1.99 0.00 0.00 0.00 0.00 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.51 0.09 0.08 0.04 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.42 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.72 0.27 3.22 0.10 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.34 0.15 0.08 0.49 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.42 0.08 0.11 0.05 0.00 0.00 0.00 0.00 01:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:04 ens3 0.35 0.13 0.15 0.09 0.00 0.00 0.00 0.00 02:00:03 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:03 ens3 110.99 77.03 312.60 18.01 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.97 10.79 47.96 2.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10217) 05/02/26 _x86_64_ (2 CPU) 00:39:56 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:03 all 0.94 0.00 0.61 0.27 0.03 98.15 00:50:03 0 1.13 0.00 0.55 0.23 0.02 98.06 00:50:03 1 0.74 0.00 0.67 0.31 0.04 98.25 01:00:04 all 0.33 0.00 0.16 0.01 0.02 99.47 01:00:04 0 0.55 0.00 0.15 0.00 0.02 99.28 01:00:04 1 0.12 0.00 0.16 0.02 0.03 99.66 01:10:04 all 0.27 0.00 0.07 0.01 0.03 99.62 01:10:04 0 0.46 0.00 0.05 0.00 0.02 99.47 01:10:04 1 0.07 0.00 0.10 0.01 0.03 99.78 01:20:04 all 0.39 0.00 0.10 0.02 0.03 99.47 01:20:04 0 0.63 0.00 0.09 0.03 0.02 99.22 01:20:04 1 0.14 0.00 0.10 0.01 0.03 99.72 01:30:04 all 0.24 0.00 0.17 0.02 0.03 99.55 01:30:04 0 0.29 0.00 0.17 0.01 0.02 99.51 01:30:04 1 0.19 0.00 0.17 0.02 0.03 99.59 01:40:04 all 0.27 0.00 0.06 0.01 0.03 99.63 01:40:04 0 0.50 0.00 0.06 0.00 0.02 99.41 01:40:04 1 0.04 0.00 0.07 0.01 0.03 99.85 01:50:04 all 0.24 0.00 0.07 0.01 0.02 99.66 01:50:04 0 0.43 0.00 0.06 0.01 0.02 99.49 01:50:04 1 0.05 0.00 0.07 0.01 0.03 99.84 02:00:03 all 12.86 0.00 2.02 0.51 0.05 84.56 02:00:03 0 15.47 0.00 2.13 0.42 0.05 81.94 02:00:03 1 10.25 0.00 1.91 0.59 0.05 87.19 Average: all 1.94 0.00 0.41 0.11 0.03 97.52 Average: 0 2.43 0.00 0.41 0.09 0.02 97.05 Average: 1 1.45 0.00 0.41 0.12 0.03 97.99