---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7875 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 802 5155 4 2273 7139 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:eb:b1:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.107/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79597sec preferred_lft 79597sec inet6 fe80::f816:3eff:feeb:b1a9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7875) 04/25/26 _x86_64_ (2 CPU) 01:51:49 LINUX RESTART (2 CPU) 02:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:14 1.42 0.01 1.41 0.00 0.05 16.84 0.12 02:20:14 1.32 0.00 1.32 0.00 0.01 15.72 0.00 02:30:14 1.49 0.00 1.47 0.02 0.00 18.08 653.91 02:40:14 1.26 0.00 1.26 0.00 0.00 15.24 0.00 02:50:14 1.85 0.31 1.52 0.01 39.01 73.48 0.20 03:00:14 3.00 1.31 1.66 0.03 95.86 98.72 653.92 03:10:14 23.15 1.71 19.19 2.24 132.20 3097.75 530.91 03:20:14 1.33 0.00 1.31 0.02 0.00 38.96 1.23 03:30:14 1.59 0.00 1.55 0.03 0.35 48.32 1.91 03:40:14 1.42 0.00 1.40 0.02 0.00 59.76 1.51 Average: 3.78 0.33 3.21 0.24 26.75 348.29 184.37 02:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:14 6279060 7530708 289848 3.56 30740 1426748 529532 5.77 448360 1187528 160 02:20:14 6286116 7538276 282220 3.47 30920 1427080 529732 5.77 448436 1188036 160 02:30:14 6276668 7529368 291108 3.58 31100 1427404 529860 5.77 448668 1188544 124 02:40:14 6282284 7535476 284988 3.50 31268 1427736 529924 5.77 448984 1189036 280 02:50:14 6243740 7526072 293732 3.61 31612 1456136 732400 7.98 466240 1206596 240 03:00:14 6069260 7424828 391028 4.81 38300 1519388 825892 9.00 576044 1264044 14520 03:10:14 5272392 7396112 375448 4.62 85200 2202716 843740 9.19 606132 1961208 216 03:20:14 5264964 7395624 375916 4.62 85360 2209504 853356 9.29 607008 1968152 424 03:30:14 5249572 7389064 382300 4.70 85520 2218180 854928 9.31 608604 1976744 308 03:40:14 5236684 7388864 382528 4.70 85708 2230680 855992 9.32 609924 1989424 252 Average: 5846074 7465439 334912 4.12 53573 1754557 708536 7.72 526840 1511931 1668 02:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 0.56 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:14 ens3 0.31 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:14 ens3 0.54 0.06 2.07 0.03 0.00 0.00 0.00 0.00 02:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:14 ens3 0.43 0.10 0.14 0.08 0.00 0.00 0.00 0.00 02:50:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:14 ens3 0.43 0.22 3.13 0.05 0.00 0.00 0.00 0.00 03:00:14 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:00:14 ens3 19.13 9.41 50.97 4.67 0.00 0.00 0.00 0.00 03:10:14 lo 1.28 1.28 0.09 0.09 0.00 0.00 0.00 0.00 03:10:14 ens3 57.59 41.12 253.43 7.91 0.00 0.00 0.00 0.00 03:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:14 ens3 23.52 20.52 4.26 2.45 0.00 0.00 0.00 0.00 03:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:14 ens3 22.93 21.36 4.51 3.09 0.00 0.00 0.00 0.00 03:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:14 ens3 31.57 29.59 11.21 4.09 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 15.70 12.24 32.98 2.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7875) 04/25/26 _x86_64_ (2 CPU) 01:51:49 LINUX RESTART (2 CPU) 02:00:14 CPU %user %nice %system %iowait %steal %idle 02:10:14 all 0.25 0.00 0.09 0.01 0.02 99.63 02:10:14 0 0.42 0.00 0.08 0.02 0.01 99.47 02:10:14 1 0.08 0.00 0.10 0.01 0.02 99.79 02:20:14 all 0.26 0.00 0.08 0.18 0.02 99.46 02:20:14 0 0.28 0.00 0.08 0.08 0.02 99.55 02:20:14 1 0.24 0.00 0.09 0.29 0.03 99.36 02:30:14 all 0.27 0.00 0.18 0.10 0.02 99.44 02:30:14 0 0.38 0.00 0.17 0.04 0.02 99.39 02:30:14 1 0.15 0.00 0.19 0.17 0.02 99.48 02:40:14 all 0.28 0.00 0.08 0.04 0.02 99.57 02:40:14 0 0.29 0.00 0.08 0.04 0.02 99.58 02:40:14 1 0.28 0.00 0.09 0.05 0.02 99.57 02:50:14 all 0.42 0.00 0.13 0.05 0.02 99.38 02:50:14 0 0.44 0.00 0.16 0.08 0.02 99.30 02:50:14 1 0.40 0.00 0.11 0.01 0.02 99.46 03:00:14 all 1.05 0.00 0.31 0.05 0.02 98.57 03:00:14 0 0.90 0.00 0.32 0.02 0.02 98.75 03:00:14 1 1.20 0.00 0.31 0.08 0.02 98.40 03:10:14 all 13.21 0.00 1.84 1.81 0.07 83.08 03:10:14 0 15.29 0.00 2.04 1.59 0.07 81.02 03:10:14 1 11.12 0.00 1.65 2.02 0.07 85.14 03:20:14 all 3.48 0.00 0.33 0.02 0.05 96.13 03:20:14 0 3.46 0.00 0.30 0.02 0.04 96.18 03:20:14 1 3.50 0.00 0.36 0.01 0.05 96.07 03:30:14 all 4.26 0.00 0.50 0.01 0.05 95.18 03:30:14 0 2.54 0.00 0.40 0.01 0.04 97.00 03:30:14 1 5.98 0.00 0.59 0.01 0.06 93.37 03:40:14 all 4.57 0.00 0.40 0.01 0.05 94.96 03:40:14 0 4.47 0.00 0.39 0.01 0.05 95.08 03:40:14 1 4.68 0.00 0.41 0.01 0.06 94.84 Average: all 2.80 0.00 0.39 0.23 0.03 96.55 Average: 0 2.84 0.00 0.40 0.19 0.03 96.54 Average: 1 2.75 0.00 0.39 0.26 0.04 96.56