---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3699 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: 5600.00 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 768 5203 4 2258 7173 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:0e:55:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79208sec preferred_lft 79208sec inet6 fe80::f816:3eff:fe0e:5583/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3699) 04/17/26 _x86_64_ (2 CPU) 00:42:34 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:19 13.83 0.01 1.63 12.19 0.19 19.64 106722.10 01:10:01 1.33 0.00 1.31 0.02 0.00 15.27 1.11 01:20:01 1.25 0.00 1.23 0.02 0.01 15.00 1.20 01:30:19 1.40 0.00 1.37 0.03 0.00 17.56 432.14 01:40:19 4.19 1.65 2.46 0.08 136.55 264.72 4.99 01:50:01 20.98 1.75 16.98 2.26 136.05 3045.25 631.16 02:00:01 1.49 0.00 1.47 0.02 0.00 24.57 0.87 02:10:19 1.38 0.00 1.38 0.00 0.00 19.19 0.05 02:20:01 1.50 0.00 1.48 0.02 0.00 142.51 417.73 02:30:19 1.66 0.00 1.61 0.04 0.00 33.89 4.61 02:40:01 1.58 0.00 1.54 0.03 0.00 24.91 3.13 Average: 4.58 0.31 2.91 1.36 24.43 320.87 10121.10 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:19 6298096 7544780 275848 3.39 30676 1421868 528324 5.75 442280 1183532 124 01:10:01 6305460 7552656 267968 3.30 30856 1422192 528456 5.76 442692 1184040 124 01:20:01 6305208 7552936 267684 3.29 31060 1422516 528524 5.76 442992 1184568 132 01:30:19 6287088 7535384 285180 3.51 31280 1422848 556876 6.07 447008 1185120 128 01:40:19 6044468 7445284 367544 4.52 42180 1557980 633168 6.90 574136 1307056 46772 01:50:01 5266052 7377836 394068 4.85 85148 2190992 665780 7.25 608288 1950072 128 02:00:01 5256752 7370676 401120 4.93 85292 2192976 674308 7.34 608828 1952200 120 02:10:19 5269432 7384516 387320 4.76 85448 2193988 692984 7.55 627628 1953368 176 02:20:01 5206092 7357824 413896 5.09 85640 2230332 681924 7.43 614992 1989904 244 02:30:19 5157560 7314096 457508 5.63 85844 2234852 717340 7.81 651216 1994500 120 02:40:01 5154820 7313512 457868 5.63 86024 2236808 772440 8.41 656584 1996632 160 Average: 5686457 7431773 361455 4.44 61768 1866123 634557 6.91 556059 1625545 4384 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:19 ens3 0.72 0.08 0.09 0.03 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 0.51 0.11 0.13 0.06 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.49 0.11 0.17 0.10 0.00 0.00 0.00 0.00 01:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.40 0.21 0.08 0.54 0.00 0.00 0.00 0.00 01:40:19 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:40:19 ens3 23.96 13.24 75.84 4.25 0.00 0.00 0.00 0.00 01:50:01 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 59.92 43.90 349.63 8.55 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 16.49 14.74 168.09 1.28 0.00 0.00 0.00 0.00 02:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:19 ens3 2.99 2.53 4.92 0.45 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 15.29 14.27 161.90 1.58 0.00 0.00 0.00 0.00 02:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:19 ens3 17.22 16.45 164.68 1.67 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 13.98 13.49 144.55 1.23 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 13.63 10.69 95.97 1.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3699) 04/17/26 _x86_64_ (2 CPU) 00:42:34 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:19 all 0.27 0.00 0.17 0.02 0.04 99.50 01:00:19 0 0.46 0.00 0.14 0.02 0.03 99.35 01:00:19 1 0.08 0.00 0.19 0.02 0.04 99.66 01:10:01 all 0.28 0.00 0.07 0.01 0.03 99.62 01:10:01 0 0.49 0.00 0.04 0.02 0.03 99.43 01:10:01 1 0.06 0.00 0.09 0.00 0.04 99.80 01:20:01 all 0.28 0.00 0.07 0.01 0.04 99.61 01:20:01 0 0.50 0.00 0.04 0.02 0.03 99.41 01:20:01 1 0.06 0.00 0.10 0.01 0.05 99.80 01:30:19 all 0.22 0.00 0.15 0.01 0.04 99.59 01:30:19 0 0.20 0.00 0.14 0.02 0.04 99.60 01:30:19 1 0.23 0.00 0.15 0.00 0.04 99.58 01:40:19 all 1.59 0.00 0.31 0.10 0.04 97.97 01:40:19 0 0.81 0.00 0.27 0.15 0.04 98.73 01:40:19 1 2.36 0.00 0.34 0.06 0.03 97.20 01:50:01 all 10.52 0.00 1.61 0.50 0.07 87.29 01:50:01 0 10.62 0.00 1.64 0.54 0.09 87.11 01:50:01 1 10.43 0.00 1.58 0.46 0.06 87.48 02:00:01 all 0.91 0.00 0.29 0.01 0.08 98.70 02:00:01 0 0.82 0.00 0.26 0.00 0.08 98.84 02:00:01 1 1.00 0.00 0.33 0.02 0.08 98.57 02:10:19 all 10.97 0.00 0.54 0.01 0.08 88.40 02:10:19 0 4.19 0.00 0.39 0.01 0.08 95.33 02:10:19 1 17.28 0.00 0.69 0.01 0.07 81.95 02:20:01 all 4.72 0.00 0.35 0.01 0.08 94.83 02:20:01 0 2.15 0.00 0.28 0.01 0.06 97.49 02:20:01 1 7.23 0.00 0.42 0.01 0.09 92.25 02:30:19 all 1.57 0.00 0.38 0.81 0.08 97.17 02:30:19 0 1.20 0.00 0.24 1.61 0.06 96.89 02:30:19 1 1.93 0.00 0.53 0.01 0.10 97.44 02:40:01 all 0.91 0.00 0.23 0.01 0.08 98.77 02:40:01 0 1.13 0.00 0.28 0.01 0.08 98.49 02:40:01 1 0.69 0.00 0.19 0.01 0.07 99.05 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.93 0.00 0.38 0.14 0.06 96.49 Average: 0 2.03 0.00 0.33 0.22 0.06 97.36 Average: 1 3.84 0.00 0.42 0.05 0.06 95.63