---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31500 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: 5600.00 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 778 5180 4 2276 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:0f:c4:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81270sec preferred_lft 81270sec inet6 fe80::f816:3eff:fe0f:c406/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31500) 06/29/26 _x86_64_ (2 CPU) 02:19:27 LINUX RESTART (2 CPU) 02:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:01 1.85 0.03 1.78 0.04 1.43 29.96 872.75 02:40:01 1.24 0.01 1.22 0.02 0.05 15.07 1.20 02:50:01 1.21 0.00 1.20 0.02 0.00 14.61 1.20 03:00:01 2.01 0.25 1.71 0.05 30.97 78.27 1090.57 03:10:01 1.52 0.01 1.49 0.03 1.05 18.27 219.06 03:20:01 1.36 0.00 1.34 0.02 0.01 15.84 1.24 03:30:01 1.48 0.00 1.46 0.02 0.00 18.14 871.54 03:40:01 40.34 3.01 21.69 15.64 227.72 4037.79 110484.47 Average: 6.38 0.41 3.99 1.98 32.66 528.62 14196.21 02:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 6279780 7531416 289016 3.55 30616 1426620 519736 5.66 444312 1187328 24 02:40:01 6279540 7531736 288652 3.55 30836 1426956 519924 5.66 444460 1187884 132 02:50:01 6279092 7531804 288572 3.55 31028 1427276 519924 5.66 444536 1188396 140 03:00:01 6233852 7513708 306104 3.76 31452 1453624 718228 7.82 459356 1206396 268 03:10:01 6239992 7520740 299076 3.68 31692 1454260 520064 5.66 454136 1206968 224 03:20:01 6239992 7521416 298380 3.67 31904 1454724 520128 5.67 454272 1207508 260 03:30:01 6254548 7536484 283336 3.48 32080 1455040 520264 5.67 454496 1208008 148 03:40:01 5175096 7382108 384768 4.73 87136 2279920 660048 7.19 625344 2042376 1912 Average: 6122736 7508676 304738 3.75 38343 1547302 562290 6.12 472614 1304358 388 02:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 2.12 0.12 0.37 0.04 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.68 0.07 0.10 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 1.06 0.07 7.45 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 1.23 0.52 3.85 0.09 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.24 0.04 0.04 0.01 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.26 0.06 0.05 0.02 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.53 0.26 0.14 0.56 0.00 0.00 0.00 0.00 03:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:40:01 ens3 80.06 50.52 319.59 12.22 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 10.78 6.46 41.46 1.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31500) 06/29/26 _x86_64_ (2 CPU) 02:19:27 LINUX RESTART (2 CPU) 02:20:01 CPU %user %nice %system %iowait %steal %idle 02:30:01 all 0.32 0.00 0.25 0.02 0.02 99.39 02:30:01 0 0.42 0.00 0.22 0.01 0.02 99.33 02:30:01 1 0.21 0.00 0.28 0.04 0.02 99.45 02:40:01 all 0.26 0.00 0.08 0.01 0.02 99.64 02:40:01 0 0.17 0.00 0.09 0.01 0.02 99.72 02:40:01 1 0.35 0.00 0.07 0.01 0.02 99.56 02:50:01 all 0.23 0.00 0.08 0.01 0.02 99.66 02:50:01 0 0.09 0.00 0.10 0.00 0.02 99.79 02:50:01 1 0.37 0.00 0.07 0.02 0.02 99.53 03:00:01 all 0.39 0.00 0.20 0.03 0.02 99.36 03:00:01 0 0.28 0.00 0.24 0.04 0.03 99.42 03:00:01 1 0.50 0.00 0.17 0.01 0.02 99.31 03:10:01 all 0.27 0.00 0.09 0.02 0.02 99.60 03:10:01 0 0.07 0.00 0.11 0.02 0.02 99.79 03:10:01 1 0.47 0.00 0.08 0.03 0.02 99.41 03:20:01 all 0.25 0.00 0.07 0.01 0.02 99.65 03:20:01 0 0.05 0.00 0.08 0.01 0.02 99.83 03:20:01 1 0.45 0.00 0.06 0.01 0.02 99.47 03:30:01 all 0.25 0.00 0.17 0.01 0.02 99.55 03:30:01 0 0.34 0.00 0.18 0.01 0.02 99.45 03:30:01 1 0.17 0.00 0.17 0.00 0.02 99.64 03:40:01 all 12.14 0.00 1.82 0.66 0.05 85.33 03:40:01 0 12.92 0.00 1.89 0.69 0.04 84.45 03:40:01 1 11.36 0.00 1.75 0.64 0.05 86.20 Average: all 1.76 0.00 0.35 0.10 0.02 97.77 Average: 0 1.79 0.00 0.36 0.10 0.02 97.73 Average: 1 1.73 0.00 0.33 0.09 0.02 97.82