---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4159 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 752 5113 4 2366 7189 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:aa:74:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81659sec preferred_lft 81659sec inet6 fe80::f816:3eff:feaa:74d9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4159) 04/18/26 _x86_64_ (2 CPU) 01:56:46 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:04 1.36 0.03 1.31 0.01 2.28 16.18 0.77 02:20:04 1.23 0.01 1.21 0.02 0.07 14.92 1.20 02:30:01 1.44 0.00 1.41 0.03 0.00 17.23 656.80 02:40:04 1.10 0.00 1.10 0.00 0.00 13.60 0.00 02:50:34 13.44 0.00 1.48 11.96 0.14 18.18 104146.33 03:00:01 1.38 0.00 1.37 0.01 0.00 17.02 460.95 03:10:04 22.72 3.00 17.51 2.21 227.43 3302.30 586.85 Average: 6.19 0.44 3.64 2.12 32.99 487.69 15851.75 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:04 6276072 7555972 263872 3.24 31000 1454112 534660 5.82 456320 1204300 216 02:20:04 6278700 7559156 260720 3.21 31212 1454448 534796 5.82 456412 1204848 180 02:30:01 6274704 7555708 264132 3.25 31424 1454776 534828 5.83 456376 1205380 176 02:40:04 6271452 7552940 266904 3.28 31576 1455096 562040 6.12 459528 1205860 220 02:50:34 6266768 7548992 270584 3.33 31796 1455600 562168 6.12 461124 1206428 124 03:00:01 6267040 7549752 269784 3.32 31964 1455928 562168 6.12 463480 1206900 272 03:10:04 5197228 7367480 403616 4.96 85280 2248756 705136 7.68 643492 2007416 2172 Average: 6118852 7527143 285659 3.51 39179 1568388 570828 6.22 485247 1320162 480 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 1.04 0.05 0.09 0.02 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.41 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.38 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 0.67 0.27 0.14 0.54 0.00 0.00 0.00 0.00 02:50:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:34 ens3 0.28 0.05 0.08 0.04 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.38 0.11 0.13 0.08 0.00 0.00 0.00 0.00 03:10:04 lo 1.30 1.30 0.10 0.10 0.00 0.00 0.00 0.00 03:10:04 ens3 75.70 53.17 349.55 14.48 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 11.31 7.71 50.24 2.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4159) 04/18/26 _x86_64_ (2 CPU) 01:56:46 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:04 all 0.27 0.00 0.09 0.01 0.02 99.61 02:10:04 0 0.26 0.00 0.07 0.02 0.02 99.62 02:10:04 1 0.28 0.00 0.10 0.00 0.02 99.59 02:20:04 all 0.23 0.00 0.08 0.01 0.02 99.66 02:20:04 0 0.26 0.00 0.07 0.01 0.02 99.64 02:20:04 1 0.20 0.00 0.09 0.00 0.02 99.68 02:30:01 all 0.26 0.00 0.17 0.05 0.02 99.50 02:30:01 0 0.41 0.00 0.15 0.01 0.01 99.41 02:30:01 1 0.11 0.00 0.18 0.09 0.02 99.59 02:40:04 all 0.26 0.00 0.08 0.01 0.01 99.63 02:40:04 0 0.36 0.00 0.07 0.01 0.01 99.54 02:40:04 1 0.16 0.00 0.09 0.01 0.02 99.72 02:50:34 all 0.27 0.00 0.08 0.44 0.02 99.19 02:50:34 0 0.42 0.00 0.07 0.04 0.01 99.46 02:50:34 1 0.12 0.00 0.09 0.85 0.02 98.92 03:00:01 all 0.25 0.00 0.17 0.04 0.01 99.53 03:00:01 0 0.42 0.00 0.16 0.01 0.01 99.40 03:00:01 1 0.08 0.00 0.18 0.07 0.02 99.65 03:10:04 all 16.58 0.00 1.81 1.07 0.06 80.49 03:10:04 0 18.10 0.00 1.82 0.76 0.06 79.26 03:10:04 1 15.06 0.00 1.79 1.38 0.06 81.72 Average: all 2.60 0.00 0.35 0.24 0.02 96.79 Average: 0 2.90 0.00 0.35 0.12 0.02 96.61 Average: 1 2.29 0.00 0.36 0.35 0.02 96.97