---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2686 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 736 5301 4 2191 7204 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:79:d0:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81752sec preferred_lft 81752sec inet6 fe80::f816:3eff:fe79:d04d/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-2686) 04/14/26 _x86_64_ (2 CPU) 05:08:17 LINUX RESTART (2 CPU) 05:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:20:01 1.31 0.03 1.28 0.01 1.25 15.68 0.48 05:30:02 1.45 0.01 1.41 0.03 0.05 18.08 653.70 05:40:02 1.23 0.00 1.21 0.02 0.00 14.63 1.20 05:50:02 1.20 0.00 1.18 0.01 0.00 14.09 1.08 06:00:03 1.45 0.00 1.42 0.03 0.00 17.64 871.69 06:10:04 1.81 0.31 1.46 0.03 38.99 72.22 1.29 06:20:04 22.40 3.02 17.16 2.22 229.09 3145.29 776.95 Average: 4.41 0.48 3.59 0.34 38.49 471.13 329.71 05:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 6289212 7536388 284156 3.49 30556 1422304 529648 5.77 449032 1183188 124 05:30:02 6284256 7532020 288592 3.55 30792 1422640 529808 5.77 449412 1183760 208 05:40:02 6291620 7539916 280720 3.45 30992 1422964 529872 5.77 449592 1184284 180 05:50:02 6296496 7545292 275296 3.39 31164 1423284 530008 5.77 449628 1184776 188 06:00:03 6283664 7533016 287548 3.54 31372 1423616 530072 5.77 449716 1185316 216 06:10:04 6237836 7516168 303760 3.74 31784 1451804 729400 7.94 467940 1202720 300 06:20:04 5305128 7420180 351724 4.32 84952 2194208 645364 7.03 594704 1952428 284 Average: 6141173 7517569 295971 3.64 38802 1537260 574882 6.26 472861 1296639 214 05:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:01 ens3 1.05 0.06 0.13 0.03 0.00 0.00 0.00 0.00 05:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:02 ens3 0.58 0.11 0.14 0.07 0.00 0.00 0.00 0.00 05:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:02 ens3 0.47 0.08 0.92 0.04 0.00 0.00 0.00 0.00 05:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:02 ens3 0.42 0.03 0.97 0.01 0.00 0.00 0.00 0.00 06:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:03 ens3 0.21 0.08 0.07 0.04 0.00 0.00 0.00 0.00 06:10:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 06:10:04 ens3 0.56 0.35 3.10 0.54 0.00 0.00 0.00 0.00 06:20:04 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 06:20:04 ens3 99.72 64.82 306.87 15.83 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 14.72 9.36 44.60 2.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2686) 04/14/26 _x86_64_ (2 CPU) 05:08:17 LINUX RESTART (2 CPU) 05:10:01 CPU %user %nice %system %iowait %steal %idle 05:20:01 all 0.25 0.00 0.09 0.02 0.04 99.60 05:20:01 0 0.08 0.00 0.10 0.03 0.05 99.75 05:20:01 1 0.43 0.00 0.07 0.01 0.04 99.46 05:30:02 all 0.29 0.00 0.19 0.01 0.05 99.46 05:30:02 0 0.27 0.00 0.18 0.02 0.05 99.48 05:30:02 1 0.31 0.00 0.19 0.01 0.05 99.44 05:40:02 all 0.21 0.00 0.08 0.01 0.05 99.66 05:40:02 0 0.08 0.00 0.09 0.02 0.05 99.75 05:40:02 1 0.33 0.00 0.06 0.01 0.04 99.56 05:50:02 all 0.27 0.00 0.07 0.03 0.04 99.60 05:50:02 0 0.06 0.00 0.10 0.05 0.05 99.74 05:50:02 1 0.47 0.00 0.05 0.00 0.03 99.45 06:00:03 all 0.27 0.00 0.18 0.03 0.04 99.48 06:00:03 0 0.09 0.00 0.18 0.05 0.04 99.64 06:00:03 1 0.45 0.00 0.17 0.02 0.04 99.32 06:10:04 all 0.35 0.00 0.11 0.03 0.04 99.47 06:10:04 0 0.26 0.00 0.11 0.03 0.04 99.56 06:10:04 1 0.45 0.00 0.11 0.03 0.04 99.38 06:20:04 all 13.69 0.00 1.96 0.99 0.08 83.29 06:20:04 0 15.16 0.00 1.92 0.93 0.07 81.92 06:20:04 1 12.21 0.00 1.99 1.04 0.08 84.67 Average: all 2.18 0.00 0.38 0.16 0.05 97.23 Average: 0 2.28 0.00 0.38 0.16 0.05 97.13 Average: 1 2.09 0.00 0.38 0.16 0.04 97.33