---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23902 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 774 5113 4 2354 7166 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:9d:1b:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7818sec preferred_lft 7818sec inet6 fe80::f816:3eff:fe9d:1b0a/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-23902) 06/06/26 _x86_64_ (2 CPU) 00:00:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.82 0.02 1.79 0.02 0.83 20.91 0.24 00:20:13 1.83 0.10 1.69 0.03 2.99 23.78 174.06 00:30:13 1.86 0.00 1.85 0.01 0.00 20.24 0.35 00:40:13 23.10 2.98 17.84 2.27 225.61 3419.16 881.40 00:50:13 1.85 0.00 1.82 0.03 0.00 27.63 1.51 Average: 6.09 0.62 5.00 0.47 45.90 702.35 212.19 00:00:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6110164 7506440 302248 3.72 54768 1537660 543152 5.92 469676 1309404 240 00:20:13 6133352 7491656 316908 3.90 54940 1499452 540512 5.89 468300 1271152 304 00:30:13 6134392 7493184 315372 3.88 55096 1499776 540728 5.89 468472 1271632 124 00:40:13 5112900 7392392 364132 4.48 105756 2325348 636484 6.93 592292 2102744 1312 00:50:13 5028304 7309848 446684 5.49 105884 2327340 674456 7.35 622808 2104720 472 Average: 5703822 7438704 349069 4.29 75289 1837915 587066 6.39 524310 1611930 490 00:00:13 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 0.31 0.08 0.09 0.04 0.00 0.00 0.00 0.00 00:20:13 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:13 ens3 0.25 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:13 ens3 0.54 0.12 0.17 0.09 0.00 0.00 0.00 0.00 00:40:13 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:13 ens3 64.43 45.61 317.31 12.39 0.00 0.00 0.00 0.00 00:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:13 ens3 12.84 9.68 72.31 1.05 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 15.67 11.11 77.99 2.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23902) 06/06/26 _x86_64_ (2 CPU) 00:00:13 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.24 0.00 0.11 0.01 0.02 99.63 00:10:01 0 0.12 0.00 0.13 0.01 0.03 99.71 00:10:01 1 0.35 0.00 0.09 0.01 0.02 99.54 00:20:13 all 0.64 0.00 0.20 0.01 0.03 99.13 00:20:13 0 0.72 0.00 0.17 0.01 0.02 99.09 00:20:13 1 0.55 0.00 0.23 0.01 0.04 99.17 00:30:13 all 0.27 0.00 0.15 0.01 0.03 99.55 00:30:13 0 0.37 0.00 0.14 0.01 0.02 99.46 00:30:13 1 0.16 0.00 0.17 0.01 0.03 99.63 00:40:13 all 11.60 0.00 1.68 0.44 0.05 86.24 00:40:13 0 9.44 0.00 1.63 0.46 0.06 88.41 00:40:13 1 13.75 0.00 1.73 0.42 0.04 84.06 00:50:13 all 0.87 0.00 0.19 0.01 0.06 98.87 00:50:13 0 0.89 0.00 0.19 0.01 0.06 98.85 00:50:13 1 0.85 0.00 0.20 0.02 0.06 98.88 Average: all 2.72 0.00 0.47 0.10 0.04 96.68 Average: 0 2.31 0.00 0.45 0.10 0.04 97.11 Average: 1 3.13 0.00 0.48 0.09 0.04 96.25