---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39490 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 777 5165 4 2291 7164 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:91:eb:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81322sec preferred_lft 81322sec inet6 fe80::f816:3eff:fe91:eb8f/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-39490) 07/28/26 _x86_64_ (2 CPU) 00:40:07 LINUX RESTART (2 CPU) 00:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.60 0.01 1.58 0.02 0.06 19.34 676.95 01:10:01 1.27 0.00 1.26 0.01 0.00 15.11 1.08 01:20:01 1.76 0.25 1.48 0.03 30.99 75.53 1.49 01:30:01 14.21 0.01 1.63 12.58 1.20 19.75 109783.30 01:40:01 1.26 0.00 1.25 0.02 0.00 15.49 1.21 01:50:21 24.17 2.77 19.10 2.30 218.52 3515.81 1087.69 02:00:01 1.49 0.00 1.47 0.02 0.00 24.60 0.32 Average: 6.67 0.45 4.06 2.16 37.04 545.60 16012.44 00:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6283100 7534512 286216 3.52 30768 1426256 532632 5.80 447504 1188012 124 01:10:01 6290452 7542388 278320 3.42 30956 1426584 532664 5.80 447712 1188528 124 01:20:01 6232860 7512128 308052 3.79 31336 1453176 733280 7.99 462648 1206736 124 01:30:01 6236256 7516572 303476 3.73 31552 1453976 532948 5.80 457336 1207296 240 01:40:01 6248996 7529888 290156 3.57 31772 1454324 533384 5.81 459704 1207852 240 01:50:21 5142556 7364188 402268 4.95 87496 2293544 664984 7.24 619464 2057236 216 02:00:01 5109076 7332692 433612 5.33 87648 2295388 680580 7.41 626036 2059224 156 Average: 5934757 7476053 328871 4.04 47361 1686178 601496 6.55 502915 1444983 175 00:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.69 0.15 0.23 0.04 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 0.37 0.05 0.18 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.00 0.54 3.34 0.09 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 0.22 0.04 0.06 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.51 0.19 0.14 0.63 0.00 0.00 0.00 0.00 01:50:21 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:21 ens3 73.83 51.01 326.73 11.54 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 12.46 10.26 74.49 0.99 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 13.08 9.13 59.36 1.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39490) 07/28/26 _x86_64_ (2 CPU) 00:40:07 LINUX RESTART (2 CPU) 00:50:21 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.30 0.00 0.18 0.01 0.02 99.49 01:00:01 0 0.44 0.00 0.20 0.00 0.02 99.34 01:00:01 1 0.16 0.00 0.17 0.02 0.02 99.63 01:10:01 all 0.28 0.00 0.08 0.01 0.02 99.61 01:10:01 0 0.10 0.00 0.08 0.01 0.02 99.78 01:10:01 1 0.46 0.00 0.07 0.01 0.02 99.44 01:20:01 all 0.37 0.00 0.10 0.02 0.02 99.49 01:20:01 0 0.48 0.00 0.12 0.03 0.02 99.35 01:20:01 1 0.26 0.00 0.08 0.01 0.02 99.63 01:30:01 all 0.26 0.00 0.18 0.03 0.03 99.50 01:30:01 0 0.14 0.00 0.19 0.01 0.03 99.63 01:30:01 1 0.37 0.00 0.18 0.05 0.03 99.38 01:40:01 all 0.26 0.00 0.07 0.01 0.02 99.64 01:40:01 0 0.18 0.00 0.07 0.02 0.02 99.71 01:40:01 1 0.33 0.00 0.07 0.01 0.02 99.57 01:50:21 all 11.72 0.00 1.74 0.50 0.05 86.00 01:50:21 0 14.37 0.00 1.95 0.65 0.05 82.98 01:50:21 1 9.07 0.00 1.52 0.34 0.05 89.02 02:00:01 all 0.83 0.00 0.29 0.01 0.05 98.82 02:00:01 0 0.92 0.00 0.33 0.01 0.06 98.69 02:00:01 1 0.75 0.00 0.25 0.01 0.04 98.96 Average: all 2.06 0.00 0.39 0.09 0.03 97.44 Average: 0 2.45 0.00 0.43 0.11 0.03 96.98 Average: 1 1.67 0.00 0.34 0.06 0.03 97.89