---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9777 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 742 5304 4 2184 7199 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:19:7c:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81330sec preferred_lft 81330sec inet6 fe80::f816:3eff:fe19:7c13/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9777) 04/30/26 _x86_64_ (2 CPU) 01:48:14 LINUX RESTART (2 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:03 14.62 0.28 1.77 12.57 32.37 76.80 110026.04 02:10:03 1.27 0.01 1.25 0.02 0.05 15.07 1.09 02:20:04 1.24 0.00 1.22 0.01 0.01 14.74 1.08 02:30:05 1.43 0.00 1.41 0.01 0.00 17.44 653.14 02:40:05 1.12 0.00 1.12 0.00 0.00 13.87 0.00 02:50:05 1.65 0.41 1.24 0.00 16.01 46.46 0.00 03:00:06 21.68 2.62 16.82 2.24 211.69 3148.51 597.13 03:10:07 1.40 0.00 1.39 0.00 0.00 22.15 0.08 Average: 5.55 0.42 3.28 1.86 32.54 419.87 13894.54 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:03 6249448 7521808 298376 3.67 30784 1446900 721936 7.86 459856 1200200 180 02:10:03 6271904 7544816 275360 3.39 30996 1447232 721928 7.86 460024 1200744 196 02:20:04 6271400 7544856 275308 3.39 31212 1447560 722144 7.87 460088 1201280 220 02:30:05 6259864 7533860 286180 3.52 31404 1447876 722800 7.87 459816 1201796 180 02:40:05 6259864 7534360 285676 3.51 31556 1448216 722800 7.87 459992 1202288 200 02:50:05 6217212 7507124 312648 3.84 31868 1463092 764552 8.33 505652 1215832 276 03:00:06 5260612 7377824 393740 4.84 85272 2195920 841448 9.17 603444 1958024 180 03:10:07 5224912 7344144 427432 5.26 85424 2197788 864256 9.41 617348 1960044 132 Average: 6001902 7488599 319340 3.93 44814 1636823 760233 8.28 503278 1392526 196 01:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 1.32 0.26 3.20 0.05 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 0.41 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.23 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 0.21 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 0.34 0.08 0.08 0.03 0.00 0.00 0.00 0.00 02:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 8.22 5.31 23.60 3.10 0.00 0.00 0.00 0.00 03:00:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:06 ens3 57.53 40.63 290.86 8.82 0.00 0.00 0.00 0.00 03:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:07 ens3 12.63 11.46 107.05 1.04 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 10.12 7.24 53.17 1.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9777) 04/30/26 _x86_64_ (2 CPU) 01:48:14 LINUX RESTART (2 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:03 all 0.40 0.00 0.21 0.05 0.04 99.30 02:00:03 0 0.48 0.00 0.17 0.03 0.04 99.29 02:00:03 1 0.33 0.00 0.26 0.07 0.04 99.30 02:10:03 all 0.27 0.00 0.08 0.01 0.04 99.60 02:10:03 0 0.49 0.00 0.07 0.02 0.03 99.39 02:10:03 1 0.05 0.00 0.09 0.00 0.04 99.81 02:20:04 all 0.22 0.00 0.09 0.04 0.03 99.62 02:20:04 0 0.20 0.00 0.08 0.08 0.03 99.62 02:20:04 1 0.25 0.00 0.10 0.01 0.03 99.62 02:30:05 all 0.32 0.00 0.17 0.01 0.03 99.47 02:30:05 0 0.13 0.00 0.18 0.01 0.03 99.66 02:30:05 1 0.51 0.00 0.17 0.01 0.02 99.29 02:40:05 all 0.26 0.00 0.08 0.01 0.03 99.63 02:40:05 0 0.07 0.00 0.08 0.02 0.03 99.81 02:40:05 1 0.45 0.00 0.08 0.00 0.03 99.45 02:50:05 all 0.54 0.00 0.12 0.01 0.03 99.30 02:50:05 0 0.57 0.00 0.15 0.02 0.03 99.24 02:50:05 1 0.51 0.00 0.09 0.01 0.03 99.36 03:00:06 all 10.64 0.00 1.73 0.49 0.07 87.07 03:00:06 0 12.19 0.00 1.90 0.55 0.06 85.29 03:00:06 1 9.08 0.00 1.56 0.42 0.08 88.85 03:10:07 all 0.87 0.00 0.22 0.01 0.06 98.84 03:10:07 0 0.67 0.00 0.23 0.01 0.05 99.04 03:10:07 1 1.06 0.00 0.22 0.02 0.06 98.64 Average: all 1.69 0.00 0.34 0.08 0.04 97.86 Average: 0 1.85 0.00 0.35 0.09 0.04 97.67 Average: 1 1.53 0.00 0.32 0.07 0.04 98.04