---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53009 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 754 5201 4 2274 7187 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:bd:ff:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80566sec preferred_lft 80566sec inet6 fe80::f816:3eff:febd:ffaa/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-53009) 03/26/26 _x86_64_ (2 CPU) 01:47:48 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 1.66 0.03 1.61 0.02 1.24 19.63 872.27 02:10:00 1.93 0.33 1.58 0.03 40.12 72.88 1.44 02:20:00 13.97 0.00 1.40 12.56 0.16 16.27 109126.12 02:30:00 1.52 0.00 1.50 0.01 0.00 18.45 870.92 02:40:00 1.26 0.00 1.26 0.00 0.00 15.20 0.00 02:50:00 1.19 0.00 1.19 0.00 0.00 14.76 0.01 03:00:00 23.51 3.02 18.25 2.25 227.76 3126.57 1254.93 03:10:00 1.63 0.00 1.63 0.00 0.48 69.41 0.03 03:20:00 1.34 0.00 1.34 0.00 0.35 79.99 0.00 Average: 5.33 0.38 3.31 1.65 30.01 381.46 12458.64 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6296604 7543952 276740 3.40 30584 1422424 531284 5.79 445352 1183172 144 02:10:00 6242380 7518708 301468 3.71 30988 1450624 531284 5.79 456896 1200400 124 02:20:00 6242296 7519208 300796 3.70 31188 1451000 531452 5.79 456936 1200944 180 02:30:00 6247860 7525296 294720 3.62 31368 1451324 531452 5.79 457012 1201452 200 02:40:00 6247860 7525808 294200 3.62 31536 1451656 531580 5.79 457252 1201952 160 02:50:00 6261976 7540548 279448 3.44 31696 1452116 531580 5.79 457356 1202440 160 03:00:00 5360324 7468432 303412 3.73 84892 2187292 558028 6.08 547672 1945260 2316 03:10:00 5294956 7415268 356664 4.39 85032 2199444 654248 7.13 600660 1957548 276 03:20:00 5268904 7410472 361412 4.44 85180 2220580 649296 7.07 604416 1978712 2464 Average: 5940351 7496410 307651 3.78 49163 1698496 561134 6.11 498172 1452431 669 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 1.22 0.07 0.14 0.04 0.00 0.00 0.00 0.00 02:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.62 0.23 3.05 0.03 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.57 0.08 3.36 0.04 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.34 0.10 0.12 0.06 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.24 0.04 0.07 0.03 0.00 0.00 0.00 0.00 03:00:00 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:00 ens3 57.85 39.04 296.88 11.21 0.00 0.00 0.00 0.00 03:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:00 ens3 35.78 28.61 8.00 3.89 0.00 0.00 0.00 0.00 03:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 36.78 35.58 8.94 5.37 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 14.84 11.53 35.62 2.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53009) 03/26/26 _x86_64_ (2 CPU) 01:47:48 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.29 0.00 0.18 0.01 0.02 99.51 02:00:00 0 0.28 0.00 0.18 0.01 0.02 99.51 02:00:00 1 0.29 0.00 0.17 0.01 0.02 99.51 02:10:00 all 0.37 0.00 0.12 0.03 0.02 99.46 02:10:00 0 0.60 0.00 0.13 0.03 0.02 99.21 02:10:00 1 0.13 0.00 0.10 0.04 0.02 99.71 02:20:00 all 0.25 0.00 0.09 0.05 0.02 99.60 02:20:00 0 0.14 0.00 0.10 0.05 0.02 99.70 02:20:00 1 0.36 0.00 0.07 0.06 0.02 99.49 02:30:00 all 0.27 0.00 0.18 0.25 0.02 99.28 02:30:00 0 0.26 0.00 0.18 0.44 0.02 99.10 02:30:00 1 0.29 0.00 0.18 0.06 0.02 99.45 02:40:00 all 0.26 0.00 0.07 0.11 0.02 99.53 02:40:00 0 0.46 0.00 0.07 0.15 0.02 99.31 02:40:00 1 0.06 0.00 0.08 0.08 0.02 99.76 02:50:00 all 0.23 0.00 0.08 0.08 0.02 99.59 02:50:00 0 0.41 0.00 0.07 0.06 0.02 99.44 02:50:00 1 0.05 0.00 0.08 0.10 0.02 99.75 03:00:00 all 10.96 0.00 1.79 0.88 0.04 86.34 03:00:00 0 10.70 0.00 1.75 0.69 0.04 86.83 03:00:00 1 11.21 0.00 1.82 1.07 0.04 85.85 03:10:00 all 5.71 0.00 0.53 0.03 0.06 93.67 03:10:00 0 7.10 0.00 0.59 0.02 0.06 92.22 03:10:00 1 4.33 0.00 0.48 0.04 0.05 95.11 03:20:00 all 7.91 0.00 0.56 0.04 0.07 91.42 03:20:00 0 5.60 0.00 0.52 0.05 0.06 93.77 03:20:00 1 10.23 0.00 0.60 0.02 0.07 89.07 Average: all 2.91 0.00 0.40 0.17 0.03 96.50 Average: 0 2.83 0.00 0.40 0.17 0.03 96.58 Average: 1 2.98 0.00 0.40 0.16 0.03 96.42