---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30023 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 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 781 5026 4 2435 7160 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:b1:52:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 6888sec preferred_lft 6888sec inet6 fe80::f816:3eff:feb1:52db/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-30023) 06/25/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.69 0.02 1.66 0.02 0.81 20.09 216.52 00:20:01 1.63 0.11 1.49 0.03 3.05 22.25 949.25 00:30:02 1.70 0.00 1.68 0.02 0.00 19.60 0.41 00:40:01 25.17 2.99 19.91 2.27 226.18 3443.51 1124.78 00:50:01 1.53 0.00 1.51 0.02 0.00 23.22 1.13 01:00:01 1.83 0.00 1.80 0.03 0.00 24.99 1.61 01:10:01 1.51 0.00 1.49 0.02 0.00 133.05 396.67 01:20:01 1.50 0.00 1.50 0.01 0.00 34.68 0.44 01:30:02 1.85 0.00 1.82 0.03 0.00 26.51 0.72 Average: 4.26 0.35 3.65 0.27 25.52 415.81 298.92 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6125752 7527576 281036 3.46 55676 1542020 541836 5.90 474352 1314192 120 00:20:01 6123984 7488416 320136 3.94 55828 1504428 540012 5.88 473096 1276536 176 00:30:02 6132812 7497696 310676 3.82 55912 1504796 595088 6.48 478196 1276976 268 00:40:01 5116728 7398028 358388 4.41 106664 2325912 639356 6.96 604160 2103736 124 00:50:01 5065732 7349096 407364 5.01 106768 2327940 649424 7.07 606112 2105868 308 01:00:01 5063400 7348564 407736 5.01 106896 2329620 668308 7.28 625180 2107548 288 01:10:01 5026048 7347724 408544 5.02 107008 2365940 658956 7.18 613012 2143964 1720 01:20:01 5025292 7351280 404956 4.98 107080 2370104 661596 7.21 616656 2148216 124 01:30:02 4981364 7309432 446800 5.49 107196 2372036 694052 7.56 649000 2150260 252 Average: 5406790 7401979 371737 4.57 89892 2071422 627625 6.84 571085 1847477 376 00:00:01 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 0.21 0.07 0.07 0.03 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 0.16 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:02 ens3 0.52 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 65.72 47.29 315.86 12.53 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 23.57 20.00 252.06 1.70 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 6.87 6.20 33.29 0.75 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 14.78 13.40 157.00 1.52 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 15.33 14.62 141.87 1.59 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 13.20 12.55 139.88 1.13 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 15.58 12.69 115.52 2.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30023) 06/25/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.24 0.00 0.10 0.01 0.03 99.62 00:10:01 0 0.43 0.00 0.09 0.01 0.02 99.45 00:10:01 1 0.06 0.00 0.12 0.01 0.04 99.78 00:20:01 all 0.63 0.00 0.21 0.01 0.03 99.11 00:20:01 0 0.67 0.00 0.21 0.01 0.03 99.08 00:20:01 1 0.59 0.00 0.22 0.02 0.03 99.15 00:30:02 all 0.23 0.00 0.17 0.01 0.03 99.57 00:30:02 0 0.30 0.00 0.16 0.00 0.03 99.51 00:30:02 1 0.16 0.00 0.18 0.01 0.03 99.62 00:40:01 all 11.85 0.00 1.69 0.46 0.05 85.95 00:40:01 0 10.29 0.00 1.57 0.35 0.06 87.73 00:40:01 1 13.40 0.00 1.81 0.57 0.05 84.16 00:50:01 all 0.92 0.00 0.26 0.01 0.07 98.75 00:50:01 0 1.19 0.00 0.33 0.01 0.08 98.40 00:50:01 1 0.65 0.00 0.19 0.01 0.06 99.10 01:00:01 all 4.73 0.00 0.57 0.01 0.07 94.63 01:00:01 0 2.77 0.00 0.39 0.01 0.06 96.77 01:00:01 1 6.69 0.00 0.74 0.01 0.07 92.48 01:10:01 all 5.61 0.00 0.56 0.01 0.07 93.75 01:10:01 0 2.55 0.00 0.27 0.00 0.06 97.12 01:10:01 1 8.70 0.00 0.85 0.02 0.08 90.35 01:20:01 all 1.48 0.00 0.29 0.01 0.06 98.16 01:20:01 0 0.91 0.00 0.15 0.01 0.04 98.90 01:20:01 1 2.05 0.00 0.43 0.01 0.09 97.43 01:30:02 all 0.92 0.00 0.31 0.01 0.07 98.69 01:30:02 0 0.88 0.00 0.25 0.01 0.06 98.80 01:30:02 1 0.96 0.00 0.37 0.01 0.08 98.58 Average: all 2.95 0.00 0.46 0.06 0.05 96.47 Average: 0 2.22 0.00 0.38 0.04 0.05 97.31 Average: 1 3.69 0.00 0.55 0.07 0.06 95.64