---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32562 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 782 4803 4 2659 7159 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:ce:0a:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5536sec preferred_lft 5536sec inet6 fe80::f816:3eff:fece:a76/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32562) 07/04/26 _x86_64_ (2 CPU) 00:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.77 0.02 1.74 0.02 0.82 20.41 218.43 00:20:01 1.89 0.11 1.75 0.03 3.06 23.90 372.89 00:30:07 1.76 0.00 1.74 0.02 0.00 19.06 214.38 00:40:01 24.55 3.03 19.21 2.31 227.82 3486.31 1561.63 00:50:01 1.46 0.00 1.44 0.02 0.00 16.68 1.03 01:00:06 1.72 0.00 1.69 0.03 0.00 20.45 1.31 01:10:01 1.79 0.00 1.75 0.04 0.00 306.40 3.23 01:20:01 1.71 0.00 1.68 0.03 0.00 205.38 3.79 01:30:07 1.81 0.00 1.78 0.03 0.00 21.00 3.53 Average: 4.25 0.35 3.62 0.28 25.49 453.64 262.72 00:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6107656 7504940 303588 3.73 54384 1539060 541908 5.90 469588 1309444 240 00:20:01 6148620 7507888 300588 3.70 54560 1500812 539764 5.88 468348 1271156 240 00:30:07 6147536 7507308 301132 3.70 54692 1501176 539840 5.88 468348 1271648 316 00:40:01 4940312 7218424 537760 6.61 105376 2324252 834540 9.09 744972 2100160 240 00:50:01 4843616 7122180 634184 7.80 105512 2324636 875908 9.54 835508 2100684 148 01:00:06 4818772 7097980 658384 8.10 105620 2325176 921156 10.03 863504 2101332 100 01:10:01 4829108 7195040 560464 6.89 105792 2411032 846936 9.22 790724 2187352 136 01:20:01 4642872 7066244 688312 8.46 105916 2467548 930900 10.14 874984 2244000 264 01:30:07 4678012 7102012 652484 8.02 106036 2468040 913468 9.95 857420 2244612 348 Average: 5239612 7258002 515211 6.34 88654 2095748 771602 8.40 708155 1870043 226 00:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.22 0.07 0.07 0.04 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.24 0.08 0.08 0.04 0.00 0.00 0.00 0.00 00:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:07 ens3 0.53 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 92.63 68.85 683.45 13.43 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 22.49 18.59 306.48 1.33 0.00 0.00 0.00 0.00 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 77.49 73.46 1193.71 5.09 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 32.81 31.23 504.88 2.10 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 29.12 27.61 444.02 1.91 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 6.13 5.63 91.52 0.43 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 29.02 25.05 358.35 2.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32562) 07/04/26 _x86_64_ (2 CPU) 00:00:07 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.22 0.00 0.09 0.01 0.03 99.65 00:10:01 0 0.11 0.00 0.10 0.01 0.03 99.74 00:10:01 1 0.34 0.00 0.07 0.01 0.02 99.56 00:20:01 all 0.64 0.00 0.21 0.01 0.02 99.12 00:20:01 0 0.55 0.00 0.25 0.02 0.03 99.16 00:20:01 1 0.74 0.00 0.17 0.00 0.02 99.07 00:30:07 all 0.26 0.00 0.16 0.01 0.02 99.55 00:30:07 0 0.06 0.00 0.18 0.01 0.03 99.73 00:30:07 1 0.46 0.00 0.14 0.00 0.02 99.38 00:40:01 all 12.11 0.00 1.80 0.53 0.06 85.50 00:40:01 0 13.40 0.00 1.93 0.37 0.06 84.24 00:40:01 1 10.82 0.00 1.67 0.69 0.05 86.77 00:50:01 all 0.51 0.00 0.21 0.01 0.06 99.21 00:50:01 0 0.52 0.00 0.34 0.01 0.08 99.05 00:50:01 1 0.50 0.00 0.09 0.01 0.04 99.37 01:00:06 all 1.03 0.00 0.60 0.01 0.06 98.31 01:00:06 0 1.30 0.00 0.84 0.00 0.07 97.78 01:00:06 1 0.75 0.00 0.36 0.01 0.05 98.84 01:10:01 all 0.83 0.00 0.28 0.02 0.06 98.81 01:10:01 0 0.78 0.00 0.21 0.02 0.06 98.92 01:10:01 1 0.88 0.00 0.34 0.01 0.06 98.70 01:20:01 all 0.70 0.00 0.22 0.01 0.06 99.00 01:20:01 0 0.51 0.00 0.18 0.01 0.05 99.26 01:20:01 1 0.90 0.00 0.27 0.02 0.08 98.74 01:30:07 all 0.43 0.00 0.25 0.01 0.06 99.24 01:30:07 0 0.47 0.00 0.26 0.01 0.05 99.20 01:30:07 1 0.40 0.00 0.25 0.01 0.06 99.29 Average: all 1.85 0.00 0.42 0.07 0.05 97.61 Average: 0 1.95 0.00 0.48 0.05 0.05 97.47 Average: 1 1.74 0.00 0.37 0.08 0.04 97.76