---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32743 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 8.0G 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 774 5179 4 2281 7167 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:0e:0c:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81927sec preferred_lft 81927sec inet6 fe80::f816:3eff:fe0e:c51/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32743) 07/04/26 _x86_64_ (2 CPU) 00:41:10 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:19 1.61 0.01 1.59 0.01 0.05 19.64 847.08 01:10:01 1.31 0.00 1.31 0.00 0.00 15.59 0.00 01:20:02 1.34 0.00 1.33 0.00 0.01 15.96 0.12 01:30:01 1.53 0.00 1.52 0.01 0.00 18.68 654.26 01:40:01 14.44 0.25 1.64 12.54 31.10 76.81 109065.12 01:50:02 23.94 3.00 18.60 2.34 228.37 3530.36 1414.29 Average: 7.37 0.54 4.34 2.49 43.28 613.25 18674.54 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:19 6296116 7542648 277512 3.41 30716 1421500 521940 5.68 444008 1183724 124 01:10:01 6294688 7541696 278492 3.42 30884 1421804 522444 5.69 447036 1184196 240 01:20:02 6298664 7546176 273992 3.37 31052 1422132 522540 5.69 447780 1184692 188 01:30:01 6294140 7542168 277992 3.42 31232 1422460 522636 5.69 447876 1185200 124 01:40:01 6230472 7505832 313712 3.86 31568 1449068 721524 7.86 462688 1203220 244 01:50:02 5179400 7383216 383576 4.72 86776 2277192 660824 7.20 623348 2040684 196 Average: 6098913 7510289 300879 3.70 40371 1569026 578651 6.30 478789 1330286 186 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:19 ens3 0.60 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.81 0.05 3.77 0.03 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.66 0.14 0.66 0.10 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.41 0.13 0.08 0.58 0.00 0.00 0.00 0.00 01:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 1.18 0.55 3.35 0.13 0.00 0.00 0.00 0.00 01:50:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:02 ens3 114.20 81.48 326.15 18.28 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.66 13.74 55.70 3.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32743) 07/04/26 _x86_64_ (2 CPU) 00:41:10 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:19 all 0.28 0.00 0.17 0.01 0.04 99.51 01:00:19 0 0.11 0.00 0.18 0.02 0.04 99.64 01:00:19 1 0.44 0.00 0.15 0.00 0.03 99.38 01:10:01 all 0.28 0.00 0.07 0.01 0.04 99.61 01:10:01 0 0.16 0.00 0.08 0.01 0.04 99.70 01:10:01 1 0.40 0.00 0.05 0.01 0.03 99.51 01:20:02 all 0.27 0.00 0.07 0.01 0.04 99.61 01:20:02 0 0.47 0.00 0.05 0.02 0.03 99.43 01:20:02 1 0.06 0.00 0.09 0.00 0.05 99.80 01:30:01 all 0.24 0.00 0.16 0.01 0.04 99.55 01:30:01 0 0.15 0.00 0.16 0.01 0.04 99.63 01:30:01 1 0.33 0.00 0.15 0.01 0.03 99.48 01:40:01 all 0.38 0.00 0.10 0.04 0.04 99.44 01:40:01 0 0.22 0.00 0.08 0.01 0.04 99.66 01:40:01 1 0.55 0.00 0.12 0.08 0.03 99.23 01:50:02 all 14.44 0.00 1.98 0.51 0.06 83.00 01:50:02 0 13.62 0.00 1.98 0.75 0.06 83.59 01:50:02 1 15.26 0.00 1.98 0.28 0.07 82.42 Average: all 2.65 0.00 0.42 0.10 0.04 96.79 Average: 0 2.45 0.00 0.42 0.14 0.04 96.94 Average: 1 2.84 0.00 0.43 0.06 0.04 96.64