---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15432 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 775 5196 4 2267 7166 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:9f:58:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 60766sec preferred_lft 60766sec inet6 fe80::f816:3eff:fe9f:5807/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15432) 05/16/26 _x86_64_ (2 CPU) 00:00:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.80 0.02 1.77 0.02 0.83 20.92 221.00 00:20:17 1.85 0.10 1.72 0.03 2.97 23.12 704.67 00:30:18 1.98 0.00 1.92 0.07 0.00 30.50 860.33 00:40:01 22.98 3.11 17.58 2.30 232.94 3257.36 947.19 00:50:20 1.78 0.00 1.75 0.03 0.00 25.20 1.69 Average: 5.95 0.63 4.85 0.47 45.91 651.27 543.57 00:00:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6141968 7529948 279604 3.44 52360 1531664 539616 5.88 469024 1301544 352 00:20:17 6164172 7519240 290180 3.57 52540 1498508 537600 5.86 467976 1268352 188 00:30:18 6167820 7523680 285648 3.51 52860 1498940 537600 5.86 467984 1269104 264 00:40:01 5181816 7375700 385920 4.75 102380 2246664 670208 7.30 623612 2021232 252 00:50:20 5131772 7327808 433704 5.33 102504 2248696 687220 7.49 633008 2023260 208 Average: 5757510 7455275 335011 4.12 72529 1804894 594449 6.47 532321 1576698 253 00:00:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.20 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:17 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:17 ens3 0.21 0.07 0.07 0.03 0.00 0.00 0.00 0.00 00:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:18 ens3 0.50 0.13 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 63.32 44.27 311.81 13.01 0.00 0.00 0.00 0.00 00:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:20 ens3 12.94 9.62 70.20 1.05 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.11 10.61 74.93 2.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15432) 05/16/26 _x86_64_ (2 CPU) 00:00:13 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.23 0.00 0.11 0.01 0.03 99.62 00:10:01 0 0.06 0.00 0.12 0.01 0.04 99.76 00:10:01 1 0.40 0.00 0.09 0.01 0.02 99.48 00:20:17 all 0.60 0.00 0.21 0.03 0.03 99.13 00:20:17 0 0.35 0.00 0.21 0.04 0.04 99.37 00:20:17 1 0.86 0.00 0.20 0.01 0.03 98.89 00:30:18 all 0.25 0.01 0.18 0.01 0.03 99.52 00:30:18 0 0.10 0.00 0.19 0.00 0.03 99.68 00:30:18 1 0.39 0.02 0.18 0.02 0.03 99.36 00:40:01 all 11.07 0.00 1.70 0.49 0.06 86.69 00:40:01 0 10.84 0.00 1.77 0.49 0.06 86.84 00:40:01 1 11.30 0.00 1.63 0.49 0.05 86.54 00:50:20 all 0.89 0.00 0.22 0.01 0.06 98.81 00:50:20 0 0.95 0.00 0.23 0.02 0.06 98.75 00:50:20 1 0.84 0.00 0.21 0.01 0.06 98.88 Average: all 2.55 0.00 0.47 0.11 0.04 96.83 Average: 0 2.40 0.00 0.49 0.11 0.04 96.95 Average: 1 2.69 0.00 0.45 0.10 0.04 96.71