---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19653 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 761 5203 4 2268 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:05:75:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81770sec preferred_lft 81770sec inet6 fe80::f816:3eff:fe05:7580/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19653) 05/25/26 _x86_64_ (2 CPU) 00:36:13 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.39 0.02 1.37 0.00 1.24 16.33 0.12 01:00:02 1.58 0.01 1.56 0.02 0.05 18.95 870.06 01:10:19 1.39 0.00 1.39 0.00 0.00 16.15 0.12 01:20:05 1.31 0.00 1.31 0.00 0.01 15.38 0.00 01:30:05 2.08 0.25 1.80 0.03 30.96 77.83 871.12 01:40:05 1.30 0.00 1.30 0.00 0.00 15.40 0.00 01:50:06 36.40 3.02 17.66 15.72 228.11 3442.96 107094.54 Average: 6.49 0.47 3.77 2.25 37.16 514.28 15534.42 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6269872 7515976 304068 3.74 30564 1421416 536024 5.84 445128 1183200 120 01:00:02 6281308 7527956 292156 3.59 30760 1421748 536080 5.84 445488 1183728 232 01:10:19 6287636 7534824 285284 3.51 30940 1422104 536296 5.84 445776 1184264 168 01:20:05 6287172 7534820 285280 3.51 31104 1422396 536452 5.84 448392 1184720 216 01:30:05 6232168 7506672 312816 3.85 31472 1448508 740704 8.07 462628 1202436 192 01:40:05 6246816 7521932 297600 3.66 31624 1448960 740768 8.07 463088 1202912 196 01:50:06 5199960 7396112 371120 4.56 86608 2270428 846688 9.22 600616 2033780 404 Average: 6114990 7505470 306903 3.77 39010 1550794 639002 6.96 473017 1310720 218 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.10 0.08 0.16 0.06 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.45 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:19 ens3 0.38 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.54 0.20 0.13 0.58 0.00 0.00 0.00 0.00 01:30:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.54 0.20 3.17 0.04 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.51 0.11 0.16 0.09 0.00 0.00 0.00 0.00 01:50:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:06 ens3 115.89 78.45 325.35 18.09 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 17.04 11.30 46.98 2.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19653) 05/25/26 _x86_64_ (2 CPU) 00:36:13 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.25 0.00 0.09 0.01 0.04 99.62 00:50:01 0 0.16 0.00 0.09 0.01 0.04 99.70 00:50:01 1 0.34 0.00 0.09 0.01 0.04 99.53 01:00:02 all 0.27 0.00 0.17 0.01 0.04 99.51 01:00:02 0 0.08 0.00 0.20 0.00 0.04 99.68 01:00:02 1 0.47 0.00 0.14 0.02 0.03 99.35 01:10:19 all 0.26 0.00 0.07 0.01 0.04 99.63 01:10:19 0 0.39 0.00 0.06 0.01 0.04 99.50 01:10:19 1 0.12 0.00 0.08 0.01 0.04 99.75 01:20:05 all 0.29 0.00 0.08 0.01 0.03 99.59 01:20:05 0 0.17 0.00 0.09 0.00 0.03 99.71 01:20:05 1 0.41 0.00 0.07 0.02 0.03 99.47 01:30:05 all 0.37 0.00 0.19 0.02 0.03 99.40 01:30:05 0 0.44 0.00 0.22 0.02 0.03 99.30 01:30:05 1 0.29 0.00 0.15 0.02 0.03 99.51 01:40:05 all 0.26 0.00 0.07 0.01 0.03 99.63 01:40:05 0 0.06 0.00 0.10 0.00 0.04 99.81 01:40:05 1 0.47 0.00 0.05 0.02 0.02 99.44 01:50:06 all 14.68 0.00 2.02 0.65 0.06 82.58 01:50:06 0 16.52 0.00 2.31 0.48 0.07 80.62 01:50:06 1 12.84 0.00 1.73 0.82 0.06 84.55 Average: all 2.33 0.00 0.38 0.10 0.04 97.14 Average: 0 2.54 0.00 0.44 0.08 0.04 96.91 Average: 1 2.13 0.00 0.33 0.13 0.04 97.38