---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3165 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: 5599.94 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 760 5286 4 2182 7181 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:a7:1e:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81274sec preferred_lft 81274sec inet6 fe80::f816:3eff:fea7:1e69/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3165) 04/16/26 _x86_64_ (2 CPU) 01:47:57 LINUX RESTART (2 CPU) 01:50:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.53 0.03 1.49 0.01 1.29 18.61 677.93 02:10:08 1.92 0.35 1.55 0.03 41.79 73.21 1.11 02:20:08 1.16 0.00 1.14 0.02 0.01 14.28 1.20 02:30:02 14.07 0.00 1.35 12.72 0.15 16.94 110752.09 02:40:08 1.21 0.00 1.20 0.02 0.00 14.64 1.19 02:50:01 1.65 0.40 1.23 0.02 15.97 46.42 1.21 03:00:01 24.70 2.62 19.81 2.28 211.02 3201.72 710.30 03:10:08 1.31 0.00 1.30 0.00 0.00 21.36 0.08 Average: 5.94 0.43 3.64 1.88 33.91 427.12 13907.85 01:50:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6296368 7544368 276432 3.40 30584 1423092 521076 5.68 446688 1183128 180 02:10:08 6243996 7521888 298276 3.67 30992 1452168 521096 5.68 458748 1200676 172 02:20:08 6251052 7529460 290688 3.57 31188 1452492 521264 5.68 458836 1201188 264 02:30:02 6255648 7534640 285388 3.51 31396 1452868 521256 5.68 458816 1201720 300 02:40:08 6255400 7535096 284948 3.50 31612 1453324 521256 5.68 459256 1202288 272 02:50:01 6230444 7525224 294476 3.62 31956 1467988 540248 5.88 490200 1215776 308 03:00:01 5255776 7369004 402752 4.95 85180 2192128 663980 7.23 626264 1949552 188 03:10:08 5211024 7326288 445504 5.48 85320 2194028 686800 7.48 640944 1951592 268 Average: 5999964 7485746 322308 3.96 44778 1636011 562122 6.12 504969 1388240 244 01:50:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.49 0.07 0.19 0.04 0.00 0.00 0.00 0.00 02:10:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 0.69 0.25 3.07 0.03 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.25 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 0.32 0.04 0.20 0.01 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.30 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 11.60 4.93 20.35 2.44 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 55.49 39.35 291.47 9.17 0.00 0.00 0.00 0.00 03:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:08 ens3 12.59 11.21 106.01 1.02 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 10.37 7.02 52.96 1.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3165) 04/16/26 _x86_64_ (2 CPU) 01:47:57 LINUX RESTART (2 CPU) 01:50:22 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.31 0.00 0.19 0.05 0.04 99.41 02:00:01 0 0.37 0.00 0.20 0.02 0.04 99.38 02:00:01 1 0.25 0.00 0.17 0.09 0.04 99.45 02:10:08 all 0.38 0.00 0.12 0.03 0.04 99.43 02:10:08 0 0.44 0.00 0.14 0.05 0.04 99.33 02:10:08 1 0.32 0.00 0.11 0.01 0.04 99.52 02:20:08 all 0.25 0.00 0.07 0.01 0.04 99.64 02:20:08 0 0.29 0.00 0.05 0.01 0.03 99.62 02:20:08 1 0.20 0.00 0.09 0.01 0.04 99.65 02:30:02 all 0.29 0.00 0.18 0.10 0.04 99.40 02:30:02 0 0.51 0.00 0.16 0.09 0.02 99.23 02:30:02 1 0.07 0.00 0.19 0.12 0.05 99.57 02:40:08 all 0.27 0.00 0.08 0.11 0.03 99.51 02:40:08 0 0.49 0.00 0.06 0.06 0.02 99.36 02:40:08 1 0.05 0.00 0.10 0.15 0.03 99.66 02:50:01 all 0.55 0.00 0.10 0.27 0.02 99.05 02:50:01 0 0.81 0.00 0.08 0.14 0.02 98.96 02:50:01 1 0.29 0.00 0.12 0.41 0.03 99.15 03:00:01 all 10.89 0.00 1.82 3.13 0.08 84.10 03:00:01 0 12.37 0.00 1.87 2.57 0.06 83.12 03:00:01 1 9.40 0.00 1.76 3.68 0.09 85.07 03:10:08 all 0.96 0.00 0.24 0.01 0.05 98.74 03:10:08 0 0.80 0.00 0.21 0.02 0.04 98.94 03:10:08 1 1.11 0.00 0.27 0.01 0.06 98.54 Average: all 1.74 0.00 0.35 0.46 0.04 97.41 Average: 0 2.01 0.00 0.35 0.37 0.03 97.24 Average: 1 1.47 0.00 0.35 0.56 0.05 97.57