---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19715 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 8.2G 30G 22% / 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 4858 4 2622 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:13:ce:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 47812sec preferred_lft 47812sec inet6 fe80::f816:3eff:fe13:ce10/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19715) 05/26/26 _x86_64_ (2 CPU) 00:00:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:30 1.86 0.02 1.82 0.03 0.81 22.50 433.16 00:20:03 1.72 0.11 1.58 0.03 3.20 23.39 783.22 00:30:30 1.56 0.00 1.54 0.02 0.00 17.25 207.22 00:40:07 10.13 1.47 8.13 0.53 108.08 937.20 196.81 00:50:30 15.66 1.55 12.39 1.72 117.69 2446.33 661.83 01:00:03 1.66 0.00 1.63 0.03 0.00 19.55 1.54 01:10:30 1.60 0.00 1.58 0.02 0.00 79.47 1.47 01:20:30 1.97 0.00 1.94 0.04 0.00 347.51 3.64 01:30:23 1.90 0.00 1.89 0.02 0.00 54.28 0.61 01:40:04 1.64 0.00 1.64 0.00 0.36 19.29 0.00 Average: 4.00 0.32 3.44 0.25 23.13 404.12 229.04 00:00:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:30 6119108 7523180 285320 3.51 56996 1542892 547396 5.96 474232 1316188 172 00:20:03 6130992 7496668 311828 3.83 57140 1504312 544316 5.93 472728 1277540 256 00:30:30 6162152 7528276 280124 3.44 57260 1504636 544360 5.93 472820 1277984 224 00:40:07 5533296 7453580 319472 3.93 90276 1995304 566412 6.17 525144 1787132 310944 00:50:30 4947212 7224124 532868 6.55 107320 2321420 787296 8.58 752144 2099712 136 01:00:03 4974876 7252300 504600 6.20 107428 2321828 736664 8.02 700664 2100216 280 01:10:30 4976804 7274224 482720 5.94 107548 2341692 774136 8.43 722040 2120212 136 01:20:30 4739044 7136116 619504 7.62 107704 2440076 893848 9.74 841392 2218620 176 01:30:23 4719360 7126752 628660 7.73 107796 2450152 880084 9.59 828320 2228792 132 01:40:04 5210428 7434504 329752 4.05 107872 2274708 563740 6.14 555484 2053320 8804 Average: 5351327 7344972 429485 5.28 90734 2069702 683825 7.45 634497 1847972 32126 00:00:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:30 ens3 0.23 0.07 0.07 0.04 0.00 0.00 0.00 0.00 00:20:03 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:03 ens3 0.17 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:30 ens3 0.48 0.15 0.15 0.09 0.00 0.00 0.00 0.00 00:40:07 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 00:40:07 ens3 31.23 21.36 218.39 7.15 0.00 0.00 0.00 0.00 00:50:30 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 00:50:30 ens3 55.98 43.49 477.88 7.42 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 29.12 27.27 480.66 1.82 0.00 0.00 0.00 0.00 01:10:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:30 ens3 67.68 64.57 1161.17 4.26 0.00 0.00 0.00 0.00 01:20:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:30 ens3 26.63 24.31 407.41 1.67 0.00 0.00 0.00 0.00 01:30:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:23 ens3 23.08 21.57 370.47 1.45 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 20.65 18.32 274.63 1.48 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 25.82 22.39 343.42 2.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19715) 05/26/26 _x86_64_ (2 CPU) 00:00:30 CPU %user %nice %system %iowait %steal %idle 00:10:30 all 0.29 0.00 0.11 0.01 0.02 99.57 00:10:30 0 0.08 0.00 0.13 0.01 0.02 99.76 00:10:30 1 0.49 0.00 0.09 0.02 0.02 99.38 00:20:03 all 0.70 0.00 0.22 0.01 0.02 99.05 00:20:03 0 0.62 0.00 0.22 0.01 0.02 99.12 00:20:03 1 0.78 0.00 0.22 0.01 0.02 98.97 00:30:30 all 0.25 0.00 0.14 0.01 0.02 99.58 00:30:30 0 0.29 0.00 0.12 0.00 0.02 99.57 00:30:30 1 0.21 0.00 0.16 0.01 0.02 99.60 00:40:07 all 4.89 0.00 0.69 0.20 0.03 94.19 00:40:07 0 5.30 0.00 0.69 0.21 0.02 93.78 00:40:07 1 4.48 0.00 0.68 0.19 0.04 94.60 00:50:30 all 7.72 0.00 1.25 0.27 0.05 90.71 00:50:30 0 9.15 0.00 1.37 0.30 0.06 89.12 00:50:30 1 6.29 0.00 1.12 0.24 0.05 92.31 01:00:03 all 0.68 0.00 0.37 0.02 0.04 98.89 01:00:03 0 0.65 0.00 0.35 0.01 0.04 98.95 01:00:03 1 0.71 0.00 0.39 0.02 0.04 98.83 01:10:30 all 1.15 0.00 0.55 0.01 0.04 98.25 01:10:30 0 1.19 0.00 0.54 0.01 0.04 98.22 01:10:30 1 1.11 0.00 0.55 0.01 0.05 98.28 01:20:30 all 0.95 0.00 0.24 0.02 0.04 98.75 01:20:30 0 1.01 0.00 0.30 0.03 0.05 98.62 01:20:30 1 0.89 0.00 0.19 0.01 0.03 98.88 01:30:23 all 0.72 0.00 0.35 0.01 0.04 98.87 01:30:23 0 0.62 0.00 0.21 0.02 0.03 99.13 01:30:23 1 0.83 0.00 0.50 0.01 0.06 98.61 01:40:04 all 1.22 0.00 0.29 0.01 0.04 98.44 01:40:04 0 0.70 0.00 0.21 0.01 0.04 99.03 01:40:04 1 1.74 0.00 0.36 0.00 0.04 97.86 Average: all 1.87 0.00 0.42 0.06 0.04 97.61 Average: 0 1.98 0.00 0.42 0.06 0.03 97.50 Average: 1 1.76 0.00 0.43 0.05 0.04 97.72