---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19141 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 771 5127 4 2334 7170 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:76:ff:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82767sec preferred_lft 82767sec inet6 fe80::f816:3eff:fe76:ff5c/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-19141) 05/23/26 _x86_64_ (2 CPU) 00:35:33 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:08 15.19 0.04 1.78 13.37 2.14 132.30 105387.09 01:00:08 2.20 0.26 1.91 0.03 31.03 84.84 0.59 01:10:01 1.53 0.01 1.50 0.03 1.07 135.42 409.40 01:20:08 1.48 0.00 1.45 0.03 0.01 34.33 3.38 01:30:01 1.52 0.00 1.48 0.04 0.00 25.04 3.62 Average: 4.42 0.06 1.62 2.73 6.85 82.39 21403.21 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:08 5202608 7367744 400584 4.93 85396 2240948 654044 7.12 590880 2011432 164 01:00:08 5168120 7361300 406476 5.00 85704 2268560 870128 9.48 624636 2030588 168 01:10:01 5069808 7298628 468812 5.76 85900 2303660 764284 8.32 659224 2065568 124 01:20:08 4987300 7221644 545836 6.71 86080 2308924 730036 7.95 675392 2071016 232 01:30:01 5081996 7318632 448760 5.52 86248 2311008 696720 7.59 642176 2073140 160 Average: 5101966 7313590 454094 5.58 85866 2286620 743042 8.09 638462 2050349 170 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 17.29 15.53 221.46 1.96 0.00 0.00 0.00 0.00 01:00:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 8.26 7.54 64.36 0.85 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 10.48 9.45 158.48 1.02 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 11.57 10.95 85.13 1.62 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 12.15 11.88 197.89 1.09 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.96 11.08 145.33 1.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19141) 05/23/26 _x86_64_ (2 CPU) 00:35:33 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:08 all 1.31 0.00 0.30 0.03 0.04 98.32 00:50:08 0 1.75 0.00 0.38 0.02 0.05 97.81 00:50:08 1 0.87 0.00 0.22 0.05 0.03 98.83 01:00:08 all 2.38 0.00 0.45 0.02 0.05 97.09 01:00:08 0 2.11 0.00 0.47 0.02 0.06 97.34 01:00:08 1 2.66 0.00 0.43 0.02 0.04 96.84 01:10:01 all 6.37 0.00 0.73 0.01 0.06 92.82 01:10:01 0 7.97 0.00 0.89 0.01 0.07 91.07 01:10:01 1 4.77 0.00 0.56 0.02 0.06 94.59 01:20:08 all 1.90 0.00 0.28 0.01 0.05 97.76 01:20:08 0 1.57 0.00 0.23 0.01 0.05 98.13 01:20:08 1 2.23 0.00 0.33 0.01 0.05 97.38 01:30:01 all 0.96 0.00 0.33 0.01 0.05 98.65 01:30:01 0 0.91 0.00 0.34 0.01 0.05 98.69 01:30:01 1 1.01 0.00 0.32 0.01 0.04 98.61 Average: all 2.56 0.00 0.42 0.02 0.05 96.95 Average: 0 2.83 0.00 0.46 0.01 0.06 96.64 Average: 1 2.29 0.00 0.37 0.02 0.05 97.27