---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19479 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 763 5212 4 2258 7178 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:37:54:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82486sec preferred_lft 82486sec inet6 fe80::f816:3eff:fe37:5477/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19479) 05/24/26 _x86_64_ (2 CPU) 00:41:49 LINUX RESTART (2 CPU) 00:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:09 2.09 0.26 1.81 0.02 31.03 70.76 654.10 01:10:09 1.36 0.00 1.35 0.00 1.05 22.81 0.05 01:20:09 1.37 0.00 1.35 0.01 0.01 16.29 0.84 01:30:09 14.17 0.00 1.59 12.58 0.15 19.89 109992.58 01:40:09 1.83 0.40 1.41 0.02 15.83 49.16 1.24 Average: 4.16 0.13 1.50 2.53 9.61 35.78 22129.83 00:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:09 6086316 7363900 456268 5.61 30904 1451996 724700 7.89 605064 1204764 2328 01:10:09 6244008 7522412 297776 3.66 31068 1452640 529020 5.76 461808 1205260 280 01:20:09 6251820 7530776 289400 3.56 31276 1452972 529012 5.76 462164 1205800 244 01:30:09 6248052 7527652 292452 3.60 31508 1453344 529032 5.76 462056 1206384 136 01:40:09 6218152 7513096 306652 3.77 31896 1468108 601892 6.56 492204 1219900 364 Average: 6209670 7491567 328510 4.04 31330 1455812 582731 6.35 496659 1208422 670 00:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 1.03 0.30 3.22 0.05 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 1.07 0.04 5.30 0.03 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.57 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.47 0.04 0.09 0.03 0.00 0.00 0.00 0.00 01:40:09 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 10.47 5.53 20.56 3.20 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 2.72 1.20 5.86 0.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19479) 05/24/26 _x86_64_ (2 CPU) 00:41:49 LINUX RESTART (2 CPU) 00:50:09 CPU %user %nice %system %iowait %steal %idle 01:00:09 all 0.39 0.00 0.19 0.02 0.03 99.37 01:00:09 0 0.31 0.00 0.23 0.03 0.03 99.39 01:00:09 1 0.47 0.00 0.16 0.01 0.03 99.34 01:10:09 all 0.27 0.00 0.07 0.01 0.04 99.61 01:10:09 0 0.25 0.00 0.07 0.02 0.04 99.63 01:10:09 1 0.30 0.00 0.07 0.01 0.04 99.59 01:20:09 all 0.27 0.00 0.07 0.02 0.04 99.60 01:20:09 0 0.08 0.00 0.09 0.02 0.04 99.76 01:20:09 1 0.46 0.00 0.05 0.02 0.03 99.44 01:30:09 all 0.28 0.00 0.16 0.03 0.04 99.49 01:30:09 0 0.10 0.00 0.18 0.02 0.04 99.66 01:30:09 1 0.47 0.00 0.15 0.04 0.03 99.31 01:40:09 all 0.51 0.00 0.10 0.02 0.04 99.34 01:40:09 0 0.52 0.00 0.09 0.01 0.03 99.35 01:40:09 1 0.51 0.00 0.10 0.03 0.04 99.32 Average: all 0.35 0.00 0.12 0.02 0.04 99.48 Average: 0 0.25 0.00 0.13 0.02 0.04 99.56 Average: 1 0.44 0.00 0.11 0.02 0.03 99.40