---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-199 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 758 5206 4 2270 7183 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:3d:c4:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82849sec preferred_lft 82849sec inet6 fe80::f816:3eff:fe3d:c4cb/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-199) 07/29/26 _x86_64_ (2 CPU) 01:57:23 LINUX RESTART (2 CPU) 02:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:19 1.42 0.02 1.39 0.00 1.24 17.05 0.12 02:20:01 1.39 0.01 1.37 0.01 0.07 17.03 0.88 02:30:22 1.56 0.00 1.53 0.03 0.00 18.85 422.00 02:40:23 1.30 0.00 1.28 0.02 0.00 15.85 1.20 02:50:00 11.86 1.50 9.56 0.80 110.67 1588.33 468.85 Average: 3.44 0.30 2.98 0.17 21.69 321.43 179.21 02:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:19 6290976 7538544 282088 3.47 30552 1422696 527580 5.75 451136 1183376 192 02:20:01 6297808 7545928 274664 3.38 30768 1423024 527668 5.75 451304 1183920 124 02:30:22 6300328 7549056 271504 3.34 31008 1423356 527888 5.75 451648 1184492 124 02:40:23 6297720 7546992 273548 3.36 31208 1423688 532124 5.80 450200 1185024 124 02:50:00 5513456 7365800 416364 5.12 68464 1957336 673208 7.33 617608 1740776 193420 Average: 6140058 7509264 303634 3.73 38400 1530020 557694 6.07 484379 1295518 38797 02:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:19 ens3 0.52 0.05 0.07 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 0.32 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:22 ens3 0.23 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:40:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:23 ens3 5.53 3.59 3.67 3.21 0.00 0.00 0.00 0.00 02:50:00 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:50:00 ens3 38.02 22.55 214.30 9.24 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.69 5.12 42.28 2.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-199) 07/29/26 _x86_64_ (2 CPU) 01:57:23 LINUX RESTART (2 CPU) 02:00:19 CPU %user %nice %system %iowait %steal %idle 02:10:19 all 0.28 0.00 0.09 0.19 0.03 99.41 02:10:19 0 0.38 0.00 0.08 0.03 0.03 99.49 02:10:19 1 0.19 0.00 0.11 0.35 0.03 99.33 02:20:01 all 0.29 0.00 0.09 0.05 0.08 99.49 02:20:01 0 0.08 0.00 0.09 0.07 0.15 99.61 02:20:01 1 0.49 0.00 0.09 0.03 0.02 99.37 02:30:22 all 0.28 0.00 0.18 0.01 0.17 99.37 02:30:22 0 0.09 0.00 0.19 0.01 0.18 99.54 02:30:22 1 0.47 0.00 0.16 0.02 0.15 99.20 02:40:23 all 0.38 0.00 0.11 0.01 0.02 99.49 02:40:23 0 0.38 0.00 0.11 0.02 0.02 99.48 02:40:23 1 0.38 0.00 0.10 0.00 0.02 99.50 02:50:00 all 6.27 0.00 0.92 0.85 0.03 91.92 02:50:00 0 6.01 0.00 0.98 0.98 0.04 92.00 02:50:00 1 6.54 0.00 0.85 0.73 0.03 91.84 Average: all 1.46 0.00 0.27 0.22 0.07 97.98 Average: 0 1.35 0.00 0.29 0.21 0.08 98.07 Average: 1 1.57 0.00 0.26 0.22 0.05 97.90