---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12640 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 778 5267 4 2184 7163 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:55:36:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81269sec preferred_lft 81269sec inet6 fe80::f816:3eff:fe55:36b1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12640) 05/11/26 _x86_64_ (2 CPU) 01:57:45 LINUX RESTART (2 CPU) 02:00:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 1.27 0.03 1.24 0.00 1.30 14.88 0.13 02:20:00 1.22 0.01 1.20 0.01 0.07 14.73 0.73 02:30:00 14.55 0.25 1.73 12.56 31.12 76.60 109831.96 02:40:00 1.16 0.00 1.16 0.00 0.00 14.19 0.00 02:50:00 1.09 0.00 1.09 0.00 0.00 13.59 0.00 03:00:00 1.48 0.00 1.47 0.02 0.00 18.44 871.04 03:10:00 22.31 3.02 17.07 2.21 228.15 3174.09 763.52 03:20:00 1.38 0.00 1.38 0.00 0.00 22.24 0.05 Average: 5.58 0.42 3.30 1.86 32.75 420.83 14010.69 02:00:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6290644 7536872 283824 3.49 30532 1421384 522112 5.69 448252 1183116 156 02:20:00 6295712 7542488 278224 3.42 30744 1421716 522176 5.69 451804 1183660 124 02:30:00 6238684 7512180 307928 3.79 31124 1447704 716592 7.81 466104 1201236 160 02:40:00 6252324 7526304 293828 3.61 31284 1448024 716668 7.81 466424 1201716 124 02:50:00 6253132 7527608 292508 3.60 31436 1448356 716808 7.81 466712 1202200 176 03:00:00 6254604 7529764 290308 3.57 31636 1448812 744116 8.10 470248 1202728 160 03:10:00 5245172 7362952 408636 5.02 85208 2196580 858896 9.36 624088 1958512 124 03:20:00 5202960 7322772 448788 5.52 85340 2198484 881784 9.60 638928 1960548 124 Average: 6004154 7482618 325506 4.00 44663 1628882 709894 7.73 504070 1386714 144 02:00:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.74 0.06 0.07 0.02 0.00 0.00 0.00 0.00 02:20:00 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.40 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.49 0.23 3.12 0.03 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.32 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.27 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 0.51 0.24 0.15 0.56 0.00 0.00 0.00 0.00 03:10:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:00 ens3 64.22 41.06 314.25 10.64 0.00 0.00 0.00 0.00 03:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 12.94 11.39 107.28 1.04 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.03 6.68 53.43 1.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12640) 05/11/26 _x86_64_ (2 CPU) 01:57:45 LINUX RESTART (2 CPU) 02:00:27 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.29 0.00 0.09 0.01 0.02 99.59 02:10:00 0 0.49 0.00 0.06 0.02 0.02 99.41 02:10:00 1 0.09 0.00 0.11 0.01 0.03 99.76 02:20:00 all 0.28 0.00 0.09 0.23 0.21 99.18 02:20:00 0 0.34 0.00 0.08 0.38 0.20 99.00 02:20:00 1 0.22 0.00 0.11 0.08 0.22 99.37 02:30:00 all 0.43 0.00 0.23 0.09 0.02 99.22 02:30:00 0 0.28 0.00 0.20 0.01 0.02 99.48 02:30:00 1 0.59 0.00 0.26 0.17 0.02 98.96 02:40:00 all 0.31 0.00 0.08 0.01 0.02 99.59 02:40:00 0 0.16 0.00 0.10 0.00 0.02 99.72 02:40:00 1 0.45 0.00 0.07 0.01 0.02 99.45 02:50:00 all 0.27 0.00 0.08 0.01 0.02 99.62 02:50:00 0 0.05 0.00 0.10 0.01 0.02 99.82 02:50:00 1 0.49 0.00 0.06 0.01 0.02 99.42 03:00:00 all 0.28 0.00 0.17 0.01 0.02 99.52 03:00:00 0 0.28 0.00 0.16 0.01 0.02 99.54 03:00:00 1 0.29 0.00 0.18 0.01 0.02 99.50 03:10:00 all 11.25 0.00 1.73 0.66 0.08 86.29 03:10:00 0 12.31 0.00 1.77 0.68 0.06 85.17 03:10:00 1 10.18 0.00 1.68 0.63 0.10 87.41 03:20:00 all 0.88 0.00 0.21 0.01 0.09 98.81 03:20:00 0 0.93 0.00 0.18 0.02 0.12 98.76 03:20:00 1 0.84 0.00 0.25 0.01 0.06 98.86 Average: all 1.76 0.00 0.34 0.13 0.06 97.72 Average: 0 1.86 0.00 0.33 0.14 0.06 97.61 Average: 1 1.65 0.00 0.34 0.12 0.06 97.83