---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1460 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 788 5113 4 2341 7153 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:2b:c3:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79761sec preferred_lft 79761sec inet6 fe80::f816:3eff:fe2b:c3f8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1460) 08/02/26 _x86_64_ (2 CPU) 05:14:39 LINUX RESTART (2 CPU) 05:20:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:06 1.68 0.01 1.64 0.03 1.11 20.05 654.50 05:40:00 1.19 0.00 1.17 0.02 0.00 14.71 1.21 05:50:06 1.28 0.00 1.26 0.02 0.00 15.34 1.19 06:00:06 14.04 0.00 1.46 12.58 0.15 18.77 109772.01 06:10:00 1.21 0.00 1.19 0.02 0.00 15.19 1.28 06:20:06 1.24 0.00 1.22 0.01 0.00 15.22 0.95 06:30:06 15.16 1.63 12.59 0.94 116.65 2195.28 862.29 06:40:01 26.03 14.90 9.68 1.46 262.00 1313.65 312.02 06:50:06 1.27 0.00 1.27 0.00 0.03 16.34 0.00 07:00:01 1.36 0.00 1.34 0.02 0.00 18.05 0.23 Average: 6.43 1.64 3.28 1.51 37.81 363.51 11171.03 05:20:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:06 6239320 7518336 301432 3.71 30888 1453580 530916 5.78 460880 1205552 152 05:40:00 6240132 7519676 300080 3.69 31088 1453908 531116 5.78 460944 1206072 160 05:50:06 6240204 7520300 299464 3.68 31296 1454236 531116 5.78 461140 1206620 76 06:00:06 6248120 7528820 290924 3.58 31504 1454616 531116 5.78 461236 1207176 316 06:10:00 6263044 7544408 275324 3.39 31700 1455072 531116 5.78 461412 1207704 136 06:20:06 6260168 7542052 277708 3.41 31884 1455400 531140 5.79 463076 1208216 192 06:30:06 5420320 7365240 414428 5.10 72160 2043884 663720 7.23 617564 1820280 44880 06:40:01 5094696 7364480 392776 4.83 90960 2330308 652136 7.10 611220 2096032 248 06:50:06 5094456 7364716 392560 4.83 91100 2330660 652288 7.10 612148 2096508 200 07:00:01 5095260 7366176 391104 4.81 91248 2331152 652296 7.10 612272 2097036 244 Average: 5819572 7463420 333580 4.10 53383 1776282 580696 6.32 522189 1535120 4660 05:20:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:06 ens3 0.87 0.07 0.12 0.04 0.00 0.00 0.00 0.00 05:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:00 ens3 0.50 0.06 0.09 0.04 0.00 0.00 0.00 0.00 05:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:06 ens3 1.01 0.04 0.17 0.01 0.00 0.00 0.00 0.00 06:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:06 ens3 0.23 0.03 0.04 0.01 0.00 0.00 0.00 0.00 06:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:00 ens3 0.21 0.05 0.04 0.01 0.00 0.00 0.00 0.00 06:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:20:06 ens3 0.24 0.05 0.07 0.03 0.00 0.00 0.00 0.00 06:30:06 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 06:30:06 ens3 35.44 23.31 277.74 6.19 0.00 0.00 0.00 0.00 06:40:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 06:40:01 ens3 30.16 20.19 40.35 5.38 0.00 0.00 0.00 0.00 06:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:50:06 ens3 3.28 0.38 0.57 0.19 0.00 0.00 0.00 0.00 07:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:00:01 ens3 0.50 0.15 0.08 0.03 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.23 4.42 31.93 1.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1460) 08/02/26 _x86_64_ (2 CPU) 05:14:39 LINUX RESTART (2 CPU) 05:20:06 CPU %user %nice %system %iowait %steal %idle 05:30:06 all 0.28 0.00 0.17 0.01 0.03 99.51 05:30:06 0 0.28 0.00 0.17 0.01 0.03 99.52 05:30:06 1 0.28 0.00 0.18 0.02 0.03 99.49 05:40:00 all 0.25 0.00 0.07 0.38 0.04 99.26 05:40:00 0 0.40 0.00 0.06 0.00 0.03 99.50 05:40:00 1 0.10 0.00 0.08 0.76 0.04 99.02 05:50:06 all 0.19 0.00 0.08 0.01 0.04 99.68 05:50:06 0 0.25 0.00 0.07 0.01 0.04 99.63 05:50:06 1 0.13 0.00 0.08 0.02 0.04 99.73 06:00:06 all 0.31 0.00 0.19 0.04 0.03 99.43 06:00:06 0 0.53 0.00 0.16 0.04 0.02 99.26 06:00:06 1 0.10 0.00 0.22 0.05 0.04 99.60 06:10:00 all 0.26 0.00 0.08 0.02 0.03 99.61 06:10:00 0 0.28 0.00 0.07 0.03 0.03 99.60 06:10:00 1 0.25 0.00 0.09 0.01 0.03 99.62 06:20:06 all 0.30 0.00 0.07 0.01 0.10 99.52 06:20:06 0 0.39 0.00 0.06 0.01 0.11 99.43 06:20:06 1 0.20 0.00 0.08 0.02 0.10 99.61 06:30:06 all 7.15 0.00 1.06 0.34 0.06 91.39 06:30:06 0 3.51 0.00 0.78 0.37 0.05 95.29 06:30:06 1 10.79 0.00 1.35 0.31 0.07 87.48 06:40:01 all 6.64 0.19 1.04 0.34 0.05 91.75 06:40:01 0 4.90 0.37 0.98 0.56 0.05 93.14 06:40:01 1 8.37 0.01 1.10 0.11 0.06 90.35 06:50:06 all 0.39 0.00 0.13 0.02 0.05 99.42 06:50:06 0 0.34 0.00 0.13 0.02 0.04 99.47 06:50:06 1 0.43 0.00 0.13 0.02 0.05 99.36 07:00:01 all 0.38 0.00 0.22 0.01 0.06 99.33 07:00:01 0 0.36 0.00 0.21 0.00 0.06 99.37 07:00:01 1 0.41 0.00 0.23 0.02 0.06 99.28 Average: all 1.61 0.02 0.31 0.12 0.05 97.89 Average: 0 1.12 0.04 0.27 0.10 0.05 98.43 Average: 1 2.10 0.00 0.35 0.13 0.05 97.36