---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27982 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 760 5120 4 2361 7180 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:6a:71:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8117sec preferred_lft 8117sec inet6 fe80::f816:3eff:fe6a:717a/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-27982) 06/18/26 _x86_64_ (2 CPU) 00:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.81 0.02 1.78 0.02 0.82 21.04 0.19 00:20:07 2.01 0.11 1.87 0.03 3.02 25.27 516.81 00:30:07 1.80 0.00 1.78 0.02 0.00 19.74 0.37 00:40:01 22.64 3.00 17.39 2.25 226.62 2836.35 928.00 00:50:07 3.37 0.02 3.27 0.08 1.17 663.51 3.99 Average: 6.29 0.62 5.19 0.48 45.91 709.25 289.20 00:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6122536 7519220 289608 3.56 55640 1536964 540020 5.88 471472 1310612 356 00:20:07 6131536 7490216 318516 3.92 55804 1498736 537392 5.85 470100 1272328 268 00:30:07 6133752 7492880 315824 3.88 55916 1499060 537456 5.85 470272 1272768 264 00:40:01 5117720 7390412 366428 4.51 106448 2317832 617648 6.73 608424 2096936 181564 00:50:07 5084928 7366860 389948 4.79 106652 2326720 664292 7.24 629980 2105916 1028 Average: 5718094 7451918 336065 4.13 76092 1835862 579362 6.31 530050 1611712 36696 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 0.33 0.08 0.10 0.04 0.00 0.00 0.00 0.00 00:20:07 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:07 ens3 0.17 0.05 0.04 0.02 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 0.54 0.12 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 48.91 32.30 313.69 8.70 0.00 0.00 0.00 0.00 00:50:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:07 ens3 76.84 54.30 15.55 11.40 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 25.42 17.42 65.36 4.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27982) 06/18/26 _x86_64_ (2 CPU) 00:00:07 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.24 0.00 0.10 0.01 0.03 99.61 00:10:01 0 0.31 0.00 0.08 0.01 0.02 99.59 00:10:01 1 0.17 0.00 0.12 0.02 0.05 99.64 00:20:07 all 0.64 0.00 0.20 0.01 0.04 99.10 00:20:07 0 0.82 0.00 0.18 0.01 0.03 98.96 00:20:07 1 0.47 0.00 0.22 0.02 0.05 99.25 00:30:07 all 0.29 0.00 0.15 0.01 0.04 99.51 00:30:07 0 0.39 0.00 0.15 0.01 0.03 99.42 00:30:07 1 0.20 0.00 0.16 0.01 0.05 99.59 00:40:01 all 11.31 0.00 1.59 0.46 0.06 86.57 00:40:01 0 10.80 0.00 1.35 0.30 0.05 87.50 00:40:01 1 11.83 0.00 1.84 0.63 0.07 85.64 00:50:07 all 5.26 0.00 0.62 0.06 0.07 94.00 00:50:07 0 3.38 0.00 0.50 0.04 0.06 96.01 00:50:07 1 7.13 0.00 0.74 0.07 0.08 91.98 Average: all 3.54 0.00 0.53 0.11 0.05 95.77 Average: 0 3.13 0.00 0.45 0.07 0.04 96.31 Average: 1 3.95 0.00 0.61 0.15 0.06 95.23