---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10502 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 7.9G 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 748 5300 4 2181 7193 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:7a:90:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83134sec preferred_lft 83134sec inet6 fe80::f816:3eff:fe7a:90a4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10502) 05/03/26 _x86_64_ (2 CPU) 00:16:57 LINUX RESTART (2 CPU) 00:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:00 1.98 0.28 1.68 0.03 32.21 76.24 871.33 00:40:00 22.48 3.02 17.21 2.25 228.11 3164.19 499.08 00:50:00 1.26 0.00 1.25 0.01 0.00 15.99 0.75 01:00:00 1.38 0.00 1.36 0.02 0.00 17.88 0.47 01:10:00 14.72 0.01 1.25 13.46 0.49 15.31 106771.29 Average: 8.36 0.66 4.55 3.16 52.16 657.92 21628.72 00:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:00 6241352 7518864 300904 3.70 30816 1452180 723636 7.88 460636 1204260 160 00:40:00 5302140 7421244 349980 4.30 84560 2198688 817948 8.91 588908 1958924 656 00:50:00 5300880 7420420 350772 4.31 84700 2199036 818064 8.91 589080 1959420 156 01:00:00 5284024 7404068 367128 4.51 84852 2199388 818064 8.91 589068 1959924 204 01:10:00 5341392 7462836 308408 3.79 85012 2200612 748220 8.15 546008 1961184 916 Average: 5493958 7445486 335438 4.12 73988 2049981 785186 8.55 554740 1808742 418 00:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 2.44 0.25 3.29 0.07 0.00 0.00 0.00 0.00 00:40:00 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:00 ens3 61.87 40.68 302.46 11.03 0.00 0.00 0.00 0.00 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 2.15 0.21 0.32 0.09 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 1.19 0.25 0.17 0.05 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 3.08 0.99 7.29 0.15 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 14.15 8.48 62.71 2.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10502) 05/03/26 _x86_64_ (2 CPU) 00:16:57 LINUX RESTART (2 CPU) 00:20:00 CPU %user %nice %system %iowait %steal %idle 00:30:00 all 0.44 0.00 0.20 0.03 0.05 99.28 00:30:00 0 0.71 0.00 0.20 0.03 0.04 99.02 00:30:00 1 0.17 0.00 0.20 0.03 0.05 99.54 00:40:00 all 10.50 0.00 1.60 0.66 0.06 87.17 00:40:00 0 10.86 0.00 1.60 0.69 0.06 86.79 00:40:00 1 10.14 0.00 1.61 0.63 0.07 87.55 00:50:00 all 0.39 0.00 0.13 0.01 0.09 99.38 00:50:00 0 0.23 0.00 0.17 0.01 0.11 99.47 00:50:00 1 0.55 0.00 0.09 0.01 0.06 99.29 01:00:00 all 0.37 0.00 0.22 0.01 0.09 99.30 01:00:00 0 0.34 0.00 0.22 0.02 0.10 99.33 01:00:00 1 0.41 0.00 0.23 0.01 0.08 99.27 01:10:00 all 0.41 0.00 0.14 0.04 0.09 99.33 01:10:00 0 0.35 0.00 0.19 0.06 0.12 99.27 01:10:00 1 0.47 0.00 0.09 0.01 0.05 99.38 Average: all 2.42 0.00 0.46 0.15 0.07 96.89 Average: 0 2.50 0.00 0.48 0.16 0.09 96.77 Average: 1 2.35 0.00 0.44 0.14 0.06 97.01