---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-718 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 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 742 5203 4 2289 7199 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:d7:c7:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81281sec preferred_lft 81281sec inet6 fe80::f816:3eff:fed7:c7ca/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-718) 07/31/26 _x86_64_ (2 CPU) 00:35:36 LINUX RESTART (2 CPU) 00:40:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:19 1.21 0.03 1.18 0.00 2.29 22.09 0.05 01:00:01 1.13 0.01 1.11 0.02 0.06 15.55 674.58 01:10:01 0.94 0.00 0.94 0.00 0.00 12.58 0.00 01:20:10 0.84 0.00 0.84 0.00 0.01 12.02 0.00 01:30:01 1.01 0.00 0.99 0.02 0.00 15.04 662.85 01:40:00 26.40 1.63 11.26 13.51 117.03 2202.40 109577.20 01:50:20 10.40 1.20 7.83 1.37 105.66 1259.94 296.35 02:00:00 3.03 0.04 2.15 0.84 1.12 117.46 1950.90 Average: 5.66 0.37 3.32 1.98 28.79 463.09 14160.24 00:40:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:19 6256440 7542576 277496 3.41 30872 1460460 540496 5.89 460808 1204868 168 01:00:01 6247940 7534640 285400 3.51 31068 1460792 540532 5.89 464824 1205404 160 01:10:01 6247492 7534692 285328 3.51 31236 1461116 540772 5.89 464688 1205896 204 01:20:10 6255304 7543016 276956 3.41 31404 1461448 541020 5.89 465808 1206396 180 01:30:01 6248504 7536740 283208 3.48 31572 1461780 541024 5.89 465636 1206896 124 01:40:00 5447132 7396956 382816 4.71 71852 2048908 644548 7.02 603120 1817448 44180 01:50:20 5148132 7367824 398588 4.90 87472 2291652 638104 6.95 599176 2046952 152 02:00:00 5392028 7425780 350340 4.31 88788 2113128 601548 6.55 587308 1869584 28180 Average: 5905372 7485278 317516 3.90 50533 1719910 573506 6.25 513921 1470430 9168 00:40:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:19 ens3 1.78 0.08 0.16 0.05 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 0.39 0.05 0.06 0.01 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 0.85 0.15 1.71 0.11 0.00 0.00 0.00 0.00 01:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:10 ens3 0.52 0.31 0.17 0.69 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.24 0.05 0.08 0.04 0.00 0.00 0.00 0.00 01:40:00 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:40:00 ens3 39.43 24.93 278.00 6.03 0.00 0.00 0.00 0.00 01:50:20 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:50:20 ens3 34.61 24.93 62.42 5.86 0.00 0.00 0.00 0.00 02:00:00 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 18.43 15.22 107.87 4.21 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 12.14 8.28 56.27 2.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-718) 07/31/26 _x86_64_ (2 CPU) 00:35:36 LINUX RESTART (2 CPU) 00:40:19 CPU %user %nice %system %iowait %steal %idle 00:50:19 all 0.31 0.00 0.09 0.01 0.02 99.58 00:50:19 0 0.08 0.00 0.10 0.01 0.02 99.79 00:50:19 1 0.54 0.00 0.07 0.01 0.02 99.37 01:00:01 all 0.32 0.00 0.19 0.01 0.03 99.46 01:00:01 0 0.27 0.00 0.19 0.01 0.03 99.51 01:00:01 1 0.37 0.00 0.19 0.01 0.03 99.40 01:10:01 all 0.31 0.00 0.08 0.01 0.02 99.58 01:10:01 0 0.30 0.00 0.09 0.00 0.02 99.59 01:10:01 1 0.32 0.00 0.08 0.02 0.02 99.56 01:20:10 all 0.24 0.00 0.07 0.01 0.02 99.66 01:20:10 0 0.12 0.00 0.08 0.02 0.02 99.76 01:20:10 1 0.36 0.00 0.07 0.01 0.01 99.55 01:30:01 all 0.27 0.00 0.16 0.01 0.02 99.55 01:30:01 0 0.30 0.00 0.15 0.02 0.01 99.51 01:30:01 1 0.23 0.00 0.16 0.01 0.02 99.58 01:40:00 all 6.35 0.00 0.92 0.59 0.03 92.11 01:40:00 0 8.81 0.00 1.09 0.49 0.03 89.58 01:40:00 1 3.88 0.00 0.75 0.70 0.03 94.64 01:50:20 all 6.18 0.00 0.94 0.22 0.05 92.62 01:50:20 0 3.84 0.00 0.79 0.20 0.05 95.12 01:50:20 1 8.51 0.00 1.08 0.25 0.04 90.12 02:00:00 all 2.80 0.00 0.51 0.05 0.04 96.60 02:00:00 0 4.39 0.00 0.56 0.04 0.04 94.97 02:00:00 1 1.20 0.00 0.46 0.07 0.04 98.23 Average: all 2.11 0.00 0.37 0.12 0.03 97.37 Average: 0 2.27 0.00 0.38 0.10 0.03 97.23 Average: 1 1.96 0.00 0.36 0.13 0.02 97.52