---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12826 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 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 752 5284 4 2193 7189 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:ed:78:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80717sec preferred_lft 80717sec inet6 fe80::f816:3eff:feed:7828/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12826) 05/12/26 _x86_64_ (2 CPU) 00:45:21 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 1.54 0.02 1.50 0.01 1.24 18.57 651.83 01:10:03 1.38 0.01 1.35 0.02 0.05 16.33 1.20 01:20:01 1.38 0.00 1.36 0.02 0.01 16.02 1.21 01:30:03 1.57 0.00 1.54 0.02 0.00 18.38 435.27 01:40:03 1.99 0.26 1.70 0.03 32.03 75.23 1.43 01:50:01 1.38 0.00 1.37 0.01 0.00 15.97 0.86 02:00:03 1.40 0.00 1.38 0.02 0.00 17.51 0.33 02:10:03 1.24 0.00 1.24 0.00 0.00 14.69 0.00 Average: 1.48 0.04 1.43 0.02 4.16 24.09 136.99 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6283248 7534460 285880 3.52 30664 1426376 520240 5.67 448084 1187264 208 01:10:03 6283000 7534780 285524 3.51 30896 1426708 520308 5.67 448184 1187828 184 01:20:01 6295952 7548264 272032 3.34 31092 1427032 520308 5.67 448352 1188348 240 01:30:03 6279092 7531952 288292 3.54 31304 1427356 520452 5.67 448360 1188884 184 01:40:03 6231944 7511792 308060 3.79 31684 1453608 520580 5.67 457712 1206440 184 01:50:01 6232196 7512708 307140 3.78 31888 1454060 521508 5.68 461636 1206968 124 02:00:03 6227188 7508228 311612 3.83 32076 1454384 521508 5.68 461704 1207480 184 02:10:03 6234776 7516300 303536 3.73 32220 1454716 521508 5.68 461876 1207956 192 Average: 6258424 7524810 295260 3.63 31478 1440530 520802 5.67 454488 1197646 188 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.82 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.58 0.08 0.09 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.65 0.09 0.70 0.06 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.33 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.62 0.24 3.16 0.05 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.32 0.19 0.08 0.64 0.00 0.00 0.00 0.00 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 0.25 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.48 0.10 0.54 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12826) 05/12/26 _x86_64_ (2 CPU) 00:45:21 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.28 0.00 0.18 0.01 0.03 99.50 01:00:03 0 0.26 0.00 0.16 0.01 0.02 99.55 01:00:03 1 0.30 0.00 0.20 0.01 0.03 99.45 01:10:03 all 0.28 0.00 0.07 0.29 0.03 99.33 01:10:03 0 0.21 0.00 0.08 0.20 0.03 99.48 01:10:03 1 0.35 0.00 0.06 0.38 0.03 99.18 01:20:01 all 0.28 0.00 0.08 0.15 0.03 99.47 01:20:01 0 0.22 0.00 0.08 0.27 0.03 99.40 01:20:01 1 0.33 0.00 0.08 0.02 0.02 99.55 01:30:03 all 0.30 0.00 0.17 0.16 0.02 99.34 01:30:03 0 0.42 0.00 0.15 0.30 0.02 99.12 01:30:03 1 0.18 0.00 0.20 0.02 0.02 99.57 01:40:03 all 0.38 0.00 0.12 0.30 0.02 99.18 01:40:03 0 0.53 0.00 0.10 0.53 0.02 98.82 01:40:03 1 0.22 0.00 0.14 0.07 0.02 99.55 01:50:01 all 0.31 0.00 0.10 0.02 0.02 99.54 01:50:01 0 0.22 0.00 0.10 0.03 0.02 99.64 01:50:01 1 0.41 0.00 0.11 0.01 0.02 99.45 02:00:03 all 0.30 0.00 0.20 0.01 0.03 99.46 02:00:03 0 0.26 0.00 0.20 0.02 0.04 99.48 02:00:03 1 0.33 0.00 0.20 0.01 0.02 99.45 02:10:03 all 0.24 0.00 0.10 0.02 0.02 99.63 02:10:03 0 0.35 0.00 0.08 0.03 0.01 99.53 02:10:03 1 0.13 0.00 0.12 0.00 0.02 99.73 Average: all 0.30 0.00 0.13 0.12 0.02 99.43 Average: 0 0.31 0.00 0.12 0.17 0.02 99.38 Average: 1 0.28 0.00 0.14 0.07 0.02 99.49