---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37891 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 751 5197 4 2286 7190 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:3e:c5:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.236/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82386sec preferred_lft 82386sec inet6 fe80::f816:3eff:fe3e:c51c/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-37891) 07/23/26 _x86_64_ (2 CPU) 00:40:01 LINUX RESTART (2 CPU) 00:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:11 1.47 0.01 1.45 0.02 0.05 17.85 436.63 01:10:11 1.95 0.26 1.67 0.03 32.03 76.72 1.11 01:20:11 1.42 0.00 1.41 0.00 0.01 16.43 0.17 01:30:11 14.13 0.00 1.57 12.55 0.15 19.07 109553.66 01:40:08 1.85 0.40 1.45 0.00 15.89 48.68 0.00 Average: 4.17 0.13 1.51 2.52 9.62 35.74 22014.75 00:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:11 6293320 7545172 275500 3.39 30804 1426672 519728 5.66 447404 1187944 136 01:10:11 6243564 7523060 297152 3.65 31176 1453568 519808 5.66 456660 1206136 140 01:20:11 6243564 7523576 296608 3.65 31352 1453904 521204 5.68 457088 1206640 200 01:30:11 6246148 7526776 293264 3.61 31548 1454272 521236 5.68 457020 1207184 180 01:40:08 6225804 7521600 298268 3.67 31860 1468960 538492 5.87 481596 1220636 228 Average: 6250480 7528037 292158 3.59 31348 1451475 524094 5.71 459954 1205708 177 00:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.43 0.07 0.07 0.03 0.00 0.00 0.00 0.00 01:10:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 0.88 0.45 3.28 0.06 0.00 0.00 0.00 0.00 01:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 0.41 0.10 0.11 0.05 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.25 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 12.50 5.55 20.41 3.24 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 2.89 1.24 4.78 0.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37891) 07/23/26 _x86_64_ (2 CPU) 00:40:01 LINUX RESTART (2 CPU) 00:50:11 CPU %user %nice %system %iowait %steal %idle 01:00:11 all 0.27 0.00 0.17 0.01 0.03 99.52 01:00:11 0 0.30 0.00 0.17 0.00 0.03 99.51 01:00:11 1 0.24 0.00 0.16 0.03 0.03 99.54 01:10:11 all 0.36 0.00 0.10 0.02 0.03 99.48 01:10:11 0 0.30 0.00 0.10 0.02 0.03 99.56 01:10:11 1 0.43 0.00 0.11 0.03 0.03 99.40 01:20:11 all 0.28 0.00 0.07 0.01 0.03 99.61 01:20:11 0 0.10 0.00 0.08 0.00 0.03 99.79 01:20:11 1 0.45 0.00 0.06 0.02 0.03 99.44 01:30:11 all 0.28 0.00 0.17 0.04 0.03 99.48 01:30:11 0 0.33 0.00 0.18 0.05 0.03 99.42 01:30:11 1 0.24 0.00 0.17 0.02 0.04 99.54 01:40:08 all 0.52 0.00 0.09 0.02 0.03 99.35 01:40:08 0 0.67 0.00 0.09 0.02 0.02 99.21 01:40:08 1 0.37 0.00 0.09 0.02 0.04 99.49 Average: all 0.34 0.00 0.12 0.02 0.03 99.49 Average: 0 0.34 0.00 0.12 0.02 0.03 99.50 Average: 1 0.35 0.00 0.12 0.02 0.03 99.48