---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2213 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 784 5264 4 2181 7157 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:5e:38:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80500sec preferred_lft 80500sec inet6 fe80::f816:3eff:fe5e:3864/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2213) 04/12/26 _x86_64_ (2 CPU) 01:45:34 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:03 14.10 0.03 1.56 12.51 1.38 19.36 109632.31 02:10:01 1.35 0.01 1.34 0.00 0.05 15.46 0.12 02:20:01 1.36 0.00 1.35 0.01 0.01 16.16 0.48 02:30:03 1.50 0.00 1.47 0.03 0.00 18.14 870.01 02:40:01 1.34 0.00 1.32 0.02 0.00 15.97 1.20 02:50:01 1.49 0.03 1.45 0.02 2.15 16.92 1.00 03:00:03 1.57 0.00 1.55 0.01 0.00 19.11 867.90 03:10:01 24.19 3.03 18.92 2.24 227.00 3161.03 964.06 03:20:01 1.42 0.00 1.42 0.00 0.00 22.67 0.05 Average: 5.37 0.34 3.37 1.65 25.54 366.02 12523.40 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:03 6232024 7506692 312928 3.85 30828 1449336 727992 7.93 464560 1200044 208 02:10:01 6231352 7506536 313048 3.85 31008 1449660 728140 7.93 464692 1200552 164 02:20:01 6231352 7507064 312492 3.84 31196 1449992 728236 7.93 464728 1201072 276 02:30:03 6241168 7517444 302092 3.71 31416 1450324 728236 7.93 464800 1201620 280 02:40:01 6242176 7519116 300416 3.69 31624 1450772 728236 7.93 465092 1202152 264 02:50:01 6240856 7518976 300544 3.70 31824 1451740 729280 7.94 465332 1202760 160 03:00:03 6238756 7517416 302068 3.71 32008 1452072 729376 7.94 465888 1203276 244 03:10:01 5237800 7348416 422840 5.20 85428 2189556 861804 9.39 630984 1949196 268 03:20:01 5208096 7320732 450540 5.54 85564 2191436 877300 9.56 638012 1951216 268 Average: 6011509 7473599 335219 4.12 43433 1614988 759844 8.28 502676 1367988 237 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 0.95 0.07 0.11 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.99 0.04 7.64 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.44 0.04 0.07 0.01 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.34 0.03 0.06 0.01 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 0.49 0.07 0.12 0.06 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 0.27 0.04 0.05 0.02 0.00 0.00 0.00 0.00 03:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:03 ens3 0.41 0.09 0.13 0.07 0.00 0.00 0.00 0.00 03:10:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 58.86 40.91 311.33 10.41 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 11.45 9.65 71.94 0.92 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 8.22 5.64 43.38 1.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2213) 04/12/26 _x86_64_ (2 CPU) 01:45:34 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:03 all 0.31 0.00 0.22 0.04 0.02 99.41 02:00:03 0 0.38 0.00 0.21 0.06 0.02 99.33 02:00:03 1 0.23 0.00 0.23 0.02 0.03 99.49 02:10:01 all 0.24 0.00 0.08 0.01 0.02 99.65 02:10:01 0 0.36 0.00 0.06 0.01 0.02 99.54 02:10:01 1 0.12 0.00 0.10 0.01 0.02 99.75 02:20:01 all 0.24 0.00 0.08 0.06 0.02 99.60 02:20:01 0 0.23 0.00 0.08 0.01 0.02 99.67 02:20:01 1 0.26 0.00 0.08 0.11 0.02 99.54 02:30:03 all 0.28 0.00 0.18 0.02 0.02 99.51 02:30:03 0 0.26 0.00 0.18 0.03 0.02 99.51 02:30:03 1 0.30 0.00 0.18 0.01 0.02 99.50 02:40:01 all 0.25 0.00 0.08 0.13 0.02 99.53 02:40:01 0 0.06 0.00 0.08 0.02 0.02 99.83 02:40:01 1 0.44 0.00 0.08 0.24 0.01 99.22 02:50:01 all 0.32 0.00 0.09 0.08 0.02 99.50 02:50:01 0 0.31 0.00 0.09 0.04 0.02 99.55 02:50:01 1 0.33 0.00 0.09 0.12 0.02 99.45 03:00:03 all 0.27 0.00 0.18 0.01 0.02 99.52 03:00:03 0 0.34 0.00 0.18 0.01 0.02 99.46 03:00:03 1 0.20 0.00 0.17 0.01 0.02 99.59 03:10:01 all 11.66 0.00 1.82 1.81 0.06 84.66 03:10:01 0 8.99 0.00 1.66 2.20 0.05 87.10 03:10:01 1 14.33 0.00 1.97 1.42 0.07 82.21 03:20:01 all 0.89 0.00 0.21 0.09 0.04 98.76 03:20:01 0 0.87 0.00 0.26 0.15 0.06 98.66 03:20:01 1 0.91 0.00 0.17 0.04 0.03 98.85 Average: all 1.60 0.00 0.33 0.25 0.02 97.80 Average: 0 1.31 0.00 0.31 0.28 0.02 98.08 Average: 1 1.89 0.00 0.34 0.22 0.02 97.52