---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27683 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 789 5085 4 2360 7152 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:cf:17:6c 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 82013sec preferred_lft 82013sec inet6 fe80::f816:3eff:fecf:176c/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-27683) 06/16/26 _x86_64_ (2 CPU) 00:41:41 LINUX RESTART (2 CPU) 00:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.66 0.03 1.61 0.02 2.24 19.78 443.66 01:10:18 1.39 0.00 1.37 0.02 0.00 16.52 1.28 01:20:18 1.37 0.00 1.35 0.02 0.01 16.00 1.20 01:30:01 1.62 0.00 1.59 0.03 0.00 19.57 674.06 01:40:04 1.77 0.40 1.36 0.01 15.69 47.53 1.07 01:50:18 24.37 2.80 19.23 2.34 237.26 3774.61 1105.77 Average: 5.44 0.55 4.48 0.41 43.34 661.70 370.17 00:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6267552 7519216 301380 3.71 30760 1426700 523444 5.70 444872 1187760 124 01:10:18 6266628 7518848 301728 3.71 30988 1427032 523672 5.70 444960 1188308 184 01:20:18 6273464 7526236 294328 3.62 31192 1427364 523672 5.70 445320 1188852 252 01:30:01 6261940 7515264 305256 3.75 31404 1427688 523688 5.70 445316 1189392 124 01:40:04 6239280 7507804 312400 3.84 31752 1442468 543328 5.92 482800 1202872 312 01:50:18 5154808 7394600 372572 4.58 87032 2313008 644868 7.02 602480 2076008 2436 Average: 6077279 7496995 314611 3.87 40521 1577377 547112 5.96 477625 1338865 572 00:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.61 0.09 0.08 0.04 0.00 0.00 0.00 0.00 01:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:18 ens3 1.07 0.08 11.67 0.03 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.49 0.12 0.12 0.06 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 0.30 0.08 0.08 0.04 0.00 0.00 0.00 0.00 01:40:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 11.07 6.06 20.17 3.16 0.00 0.00 0.00 0.00 01:50:18 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:18 ens3 68.22 48.29 318.68 11.92 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.87 9.29 59.61 2.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27683) 06/16/26 _x86_64_ (2 CPU) 00:41:41 LINUX RESTART (2 CPU) 00:50:11 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.18 0.16 0.03 99.34 01:00:01 0 0.30 0.00 0.17 0.17 0.03 99.33 01:00:01 1 0.28 0.00 0.19 0.16 0.03 99.34 01:10:18 all 0.24 0.00 0.08 0.02 0.03 99.64 01:10:18 0 0.38 0.00 0.07 0.00 0.02 99.53 01:10:18 1 0.10 0.00 0.08 0.03 0.03 99.76 01:20:18 all 0.26 0.00 0.08 0.01 0.03 99.62 01:20:18 0 0.07 0.00 0.10 0.00 0.04 99.79 01:20:18 1 0.45 0.00 0.06 0.02 0.02 99.45 01:30:01 all 0.24 0.00 0.16 0.01 0.04 99.55 01:30:01 0 0.26 0.00 0.17 0.00 0.03 99.54 01:30:01 1 0.23 0.00 0.15 0.02 0.04 99.56 01:40:04 all 0.50 0.00 0.09 0.01 0.03 99.36 01:40:04 0 0.70 0.00 0.06 0.00 0.02 99.21 01:40:04 1 0.30 0.00 0.13 0.03 0.04 99.50 01:50:18 all 16.19 0.00 1.75 6.66 0.07 75.33 01:50:18 0 11.24 0.00 1.55 6.27 0.06 80.88 01:50:18 1 21.15 0.00 1.94 7.06 0.07 69.78 Average: all 3.00 0.00 0.39 1.17 0.04 95.40 Average: 0 2.19 0.00 0.36 1.10 0.03 96.32 Average: 1 3.82 0.00 0.43 1.24 0.04 94.47