---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8122 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 755 5299 4 2174 7185 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:ff:ea:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83177sec preferred_lft 83177sec inet6 fe80::f816:3eff:feff:ea7e/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-8122) 04/26/26 _x86_64_ (2 CPU) 00:17:18 LINUX RESTART (2 CPU) 00:20:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:13 1.59 0.03 1.54 0.02 1.26 19.13 444.03 00:40:01 22.32 3.09 16.96 2.27 232.87 3220.83 608.00 00:50:23 1.22 0.00 1.21 0.01 0.00 15.02 0.82 01:00:23 1.40 0.00 1.38 0.01 0.00 17.84 0.23 01:10:01 3.96 0.38 2.89 0.69 43.07 161.58 2135.82 Average: 6.02 0.69 4.75 0.59 54.57 677.51 622.77 00:20:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:13 6292232 7538916 281492 3.46 30596 1421768 518856 5.65 443872 1183304 156 00:40:01 5321272 7403376 368808 4.53 84188 2162304 652920 7.11 598124 1931876 240 00:50:23 5320276 7402836 369456 4.54 84344 2162684 653064 7.11 598356 1932408 208 01:00:23 5306452 7389452 382720 4.71 84468 2163036 653064 7.11 598464 1932860 156 01:10:01 5429752 7354552 426452 5.24 85944 2011248 669296 7.29 650692 1770936 26152 Average: 5533997 7417826 365786 4.50 73908 1984208 629440 6.86 577902 1750277 5382 00:20:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:13 ens3 1.19 0.07 0.12 0.03 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 69.34 42.77 306.47 11.58 0.00 0.00 0.00 0.00 00:50:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:23 ens3 1.25 0.19 0.15 0.05 0.00 0.00 0.00 0.00 01:00:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:23 ens3 0.61 0.19 0.12 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 01:10:01 ens3 6.82 4.28 11.52 2.27 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.63 9.36 62.80 2.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8122) 04/26/26 _x86_64_ (2 CPU) 00:17:18 LINUX RESTART (2 CPU) 00:20:23 CPU %user %nice %system %iowait %steal %idle 00:30:13 all 0.29 0.00 0.18 0.01 0.03 99.48 00:30:13 0 0.18 0.00 0.17 0.01 0.03 99.61 00:30:13 1 0.41 0.00 0.18 0.02 0.04 99.36 00:40:01 all 11.03 0.00 1.68 0.53 0.06 86.69 00:40:01 0 12.65 0.00 1.88 0.67 0.07 84.74 00:40:01 1 9.42 0.00 1.49 0.40 0.05 88.65 00:50:23 all 0.37 0.00 0.12 0.01 0.06 99.44 00:50:23 0 0.27 0.00 0.16 0.01 0.09 99.47 00:50:23 1 0.46 0.00 0.08 0.01 0.04 99.41 01:00:23 all 0.41 0.00 0.21 0.01 0.06 99.31 01:00:23 0 0.50 0.00 0.16 0.01 0.03 99.31 01:00:23 1 0.32 0.00 0.26 0.01 0.10 99.32 01:10:01 all 1.86 0.00 0.31 0.05 0.06 97.72 01:10:01 0 1.00 0.00 0.23 0.03 0.03 98.72 01:10:01 1 2.72 0.00 0.39 0.08 0.09 96.72 Average: all 2.75 0.00 0.49 0.12 0.06 96.57 Average: 0 2.88 0.00 0.51 0.14 0.05 96.41 Average: 1 2.63 0.00 0.47 0.10 0.06 96.74