---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35615 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 766 5180 4 2287 7175 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:c1:83:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79898sec preferred_lft 79898sec inet6 fe80::f816:3eff:fec1:83ab/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-35615) 07/14/26 _x86_64_ (2 CPU) 00:36:09 LINUX RESTART (2 CPU) 00:40:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:24 1.44 0.02 1.41 0.00 1.23 16.97 0.12 01:00:01 1.62 0.01 1.59 0.03 0.06 19.05 454.49 01:10:14 1.41 0.00 1.39 0.02 0.00 16.38 1.18 01:20:34 1.39 0.00 1.37 0.02 0.01 16.37 1.20 01:30:54 14.31 0.25 1.89 12.18 31.14 77.54 106029.39 01:40:24 1.48 0.03 1.44 0.02 2.26 17.11 0.94 01:50:04 1.35 0.00 1.35 0.00 0.00 15.92 0.00 02:00:01 1.57 0.00 1.56 0.01 0.00 18.76 438.16 02:10:54 22.18 2.62 17.43 2.14 205.92 3256.98 1087.73 02:20:24 1.33 0.00 1.32 0.00 0.00 20.88 0.06 Average: 5.03 0.32 3.22 1.50 25.97 376.35 11155.00 00:40:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:24 6293168 7540224 280376 3.45 30596 1422132 528592 5.76 447752 1183336 164 01:00:01 6293696 7541284 279184 3.43 30812 1422432 528656 5.76 447728 1183852 240 01:10:14 6305616 7553784 266676 3.28 31028 1422792 530004 5.77 447268 1184424 240 01:20:34 6308956 7557680 262808 3.23 31252 1423116 530196 5.77 447572 1184976 176 01:30:54 6234796 7511300 308452 3.79 31668 1450084 530900 5.78 457748 1203116 148 01:40:24 6259464 7537148 282696 3.48 31864 1451052 530964 5.78 458280 1203732 164 01:50:04 6259508 7537656 282136 3.47 32032 1451344 530964 5.78 458444 1204192 188 02:00:01 6258852 7537544 282264 3.47 32216 1451676 530964 5.78 458640 1204708 240 02:10:54 5163732 7380996 385232 4.74 87752 2288976 633172 6.90 598144 2052416 156 02:20:24 5135172 7354208 411988 5.07 87884 2290644 648612 7.06 605524 2054192 184 Average: 6051296 7505182 304181 3.74 42710 1607425 552302 6.02 482710 1365894 190 00:40:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:24 ens3 1.23 0.10 0.16 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.44 0.07 0.07 0.04 0.00 0.00 0.00 0.00 01:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 0.40 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:20:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:34 ens3 0.45 0.10 0.13 0.06 0.00 0.00 0.00 0.00 01:30:54 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:54 ens3 0.79 0.52 3.14 0.59 0.00 0.00 0.00 0.00 01:40:24 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:24 ens3 0.49 0.15 0.18 0.09 0.00 0.00 0.00 0.00 01:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:04 ens3 0.31 0.05 0.06 0.02 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.21 0.07 0.08 0.05 0.00 0.00 0.00 0.00 02:10:54 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 02:10:54 ens3 66.76 45.21 308.86 10.89 0.00 0.00 0.00 0.00 02:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:24 ens3 8.59 7.60 75.38 0.79 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 8.51 5.75 41.17 1.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35615) 07/14/26 _x86_64_ (2 CPU) 00:36:09 LINUX RESTART (2 CPU) 00:40:20 CPU %user %nice %system %iowait %steal %idle 00:50:24 all 0.29 0.00 0.08 0.02 0.02 99.58 00:50:24 0 0.38 0.00 0.07 0.03 0.02 99.50 00:50:24 1 0.21 0.00 0.09 0.02 0.02 99.66 01:00:01 all 0.29 0.00 0.16 0.01 0.02 99.52 01:00:01 0 0.10 0.00 0.16 0.00 0.03 99.72 01:00:01 1 0.49 0.00 0.15 0.02 0.02 99.33 01:10:14 all 0.28 0.00 0.07 0.02 0.02 99.61 01:10:14 0 0.08 0.00 0.08 0.01 0.02 99.81 01:10:14 1 0.48 0.00 0.06 0.02 0.02 99.42 01:20:34 all 0.25 0.00 0.07 0.05 0.02 99.61 01:20:34 0 0.06 0.00 0.09 0.06 0.02 99.77 01:20:34 1 0.44 0.00 0.06 0.04 0.02 99.45 01:30:54 all 0.38 0.00 0.19 0.15 0.02 99.25 01:30:54 0 0.15 0.00 0.18 0.20 0.02 99.44 01:30:54 1 0.60 0.00 0.20 0.10 0.02 99.07 01:40:24 all 0.26 0.00 0.08 0.12 0.02 99.52 01:40:24 0 0.06 0.00 0.09 0.24 0.02 99.58 01:40:24 1 0.47 0.00 0.07 0.00 0.01 99.45 01:50:04 all 0.25 0.00 0.07 0.02 0.02 99.63 01:50:04 0 0.05 0.00 0.08 0.03 0.02 99.82 01:50:04 1 0.45 0.00 0.07 0.01 0.02 99.45 02:00:01 all 0.26 0.00 0.16 0.03 0.02 99.53 02:00:01 0 0.20 0.00 0.15 0.06 0.02 99.57 02:00:01 1 0.32 0.00 0.17 0.01 0.02 99.49 02:10:54 all 11.59 0.00 1.67 0.79 0.05 85.89 02:10:54 0 14.92 0.00 1.91 0.71 0.05 82.41 02:10:54 1 8.26 0.00 1.43 0.88 0.06 89.37 02:20:24 all 0.87 0.00 0.22 0.01 0.04 98.87 02:20:24 0 0.77 0.00 0.20 0.01 0.03 98.99 02:20:24 1 0.97 0.00 0.23 0.01 0.05 98.74 Average: all 1.57 0.00 0.29 0.13 0.02 97.99 Average: 0 1.80 0.00 0.32 0.14 0.02 97.71 Average: 1 1.33 0.00 0.26 0.12 0.02 98.26