---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-457 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 785 5096 4 2353 7156 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:da:4a:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81189sec preferred_lft 81189sec inet6 fe80::f816:3eff:feda:4a20/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-457) 07/30/26 _x86_64_ (2 CPU) 00:39:03 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:09 1.40 0.03 1.36 0.01 1.25 21.30 214.90 01:00:09 2.15 0.26 1.86 0.03 31.03 79.07 436.64 01:10:09 1.40 0.00 1.38 0.02 1.05 15.85 1.25 01:20:09 1.40 0.00 1.40 0.00 0.01 16.53 0.00 01:30:09 1.68 0.00 1.66 0.01 0.00 20.12 653.36 01:40:01 12.82 1.52 10.27 1.03 113.20 1739.34 334.46 01:50:09 12.40 1.33 9.75 1.32 112.51 1841.37 318.99 02:00:09 15.20 0.00 1.65 13.54 0.15 71.92 106397.63 Average: 6.05 0.39 3.66 1.99 32.34 474.99 13519.30 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:09 6281988 7528664 292060 3.59 30540 1421868 527408 5.74 444612 1183236 208 01:00:09 6242952 7517036 303204 3.73 30920 1448488 728104 7.93 459108 1201496 168 01:10:09 6242952 7517864 302424 3.72 31116 1449132 527632 5.75 454036 1202012 276 01:20:09 6242952 7518384 301912 3.71 31296 1449452 528832 5.76 455352 1202524 208 01:30:09 6242740 7518744 301408 3.71 31492 1449792 584056 6.36 460932 1203056 168 01:40:01 5479244 7415036 365320 4.49 71524 2035412 621212 6.77 573040 1812216 210264 01:50:09 5196436 7409640 357152 4.39 87388 2285424 649216 7.07 597632 2048900 448 02:00:09 5167828 7396356 370208 4.55 87516 2300608 651820 7.10 600168 2064184 296 Average: 5887136 7477716 324211 3.99 50224 1730022 602285 6.56 505610 1489703 26504 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:09 ens3 2.46 0.14 0.43 0.06 0.00 0.00 0.00 0.00 01:00:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.59 0.22 3.23 0.03 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 0.39 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.42 0.12 0.13 0.08 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.54 0.26 0.15 0.65 0.00 0.00 0.00 0.00 01:40:01 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 01:40:01 ens3 34.47 23.50 280.69 5.99 0.00 0.00 0.00 0.00 01:50:09 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 01:50:09 ens3 49.98 38.25 43.76 7.58 0.00 0.00 0.00 0.00 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 31.18 28.52 8.63 4.68 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 15.01 11.39 41.69 2.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-457) 07/30/26 _x86_64_ (2 CPU) 00:39:03 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:09 all 0.27 0.00 0.12 0.03 0.05 99.53 00:50:09 0 0.36 0.00 0.10 0.01 0.04 99.49 00:50:09 1 0.18 0.00 0.14 0.04 0.05 99.58 01:00:09 all 0.39 0.00 0.20 0.03 0.05 99.33 01:00:09 0 0.40 0.00 0.18 0.01 0.04 99.36 01:00:09 1 0.38 0.00 0.22 0.05 0.06 99.29 01:10:09 all 0.24 0.00 0.08 0.01 0.05 99.62 01:10:09 0 0.11 0.00 0.09 0.00 0.06 99.74 01:10:09 1 0.37 0.00 0.07 0.03 0.04 99.49 01:20:09 all 0.25 0.00 0.08 0.01 0.04 99.62 01:20:09 0 0.40 0.00 0.06 0.01 0.03 99.50 01:20:09 1 0.10 0.00 0.09 0.02 0.06 99.73 01:30:09 all 0.29 0.00 0.17 0.01 0.04 99.49 01:30:09 0 0.10 0.00 0.17 0.02 0.05 99.65 01:30:09 1 0.48 0.00 0.16 0.00 0.04 99.33 01:40:01 all 6.13 0.00 0.88 0.51 0.05 92.44 01:40:01 0 3.56 0.00 0.70 0.37 0.06 95.31 01:40:01 1 8.69 0.00 1.05 0.64 0.05 89.57 01:50:09 all 9.11 0.00 1.15 0.26 0.09 89.39 01:50:09 0 6.03 0.00 0.94 0.18 0.08 92.77 01:50:09 1 12.20 0.00 1.36 0.34 0.10 86.00 02:00:09 all 5.30 0.00 0.56 0.04 0.11 94.00 02:00:09 0 5.49 0.00 0.61 0.06 0.11 93.74 02:00:09 1 5.11 0.00 0.51 0.01 0.11 94.26 Average: all 2.73 0.00 0.40 0.11 0.06 96.69 Average: 0 2.04 0.00 0.36 0.08 0.06 97.46 Average: 1 3.42 0.00 0.45 0.14 0.06 95.93