---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60708 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 22% / 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 754 5180 4 2300 7187 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:28:30:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83945sec preferred_lft 83945sec inet6 fe80::f816:3eff:fe28:30b7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60708) 09/30/26 _x86_64_ (2 CPU) 00:43:43 LINUX RESTART (2 CPU) 00:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:07 13.91 1.54 10.95 1.43 120.09 1857.14 532.80 01:10:07 1.38 0.00 1.38 0.00 0.00 16.63 0.00 01:20:07 1.45 0.00 1.45 0.00 0.01 17.24 0.00 Average: 5.58 0.51 4.59 0.48 40.04 630.35 177.60 00:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:07 5156820 7395980 369156 4.54 88188 2311412 816696 8.90 587484 2073768 64 01:10:07 5156148 7395792 369376 4.54 88316 2311772 816928 8.90 587608 2074252 160 01:20:07 5154384 7394528 370616 4.56 88468 2312120 816952 8.90 587932 2074752 160 Average: 5155784 7395433 369716 4.55 88324 2311768 816859 8.90 587675 2074257 128 00:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:07 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 01:00:07 ens3 28.32 19.41 43.72 5.29 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 1.31 0.21 2.44 0.05 0.00 0.00 0.00 0.00 01:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 0.63 0.28 0.12 0.05 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 10.09 6.63 15.43 1.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60708) 09/30/26 _x86_64_ (2 CPU) 00:43:43 LINUX RESTART (2 CPU) 00:50:07 CPU %user %nice %system %iowait %steal %idle 01:00:07 all 6.10 0.00 1.22 0.23 0.01 92.44 01:00:07 0 5.80 0.00 1.24 0.26 0.01 92.69 01:00:07 1 6.40 0.00 1.21 0.21 0.01 92.18 01:10:07 all 0.36 0.00 0.13 0.01 0.00 99.50 01:10:07 0 0.27 0.00 0.18 0.01 0.01 99.54 01:10:07 1 0.45 0.00 0.08 0.02 0.00 99.46 01:20:07 all 0.38 0.00 0.13 0.01 0.01 99.47 01:20:07 0 0.27 0.00 0.20 0.02 0.01 99.50 01:20:07 1 0.49 0.00 0.06 0.00 0.00 99.44 Average: all 2.28 0.00 0.49 0.09 0.01 97.13 Average: 0 2.11 0.00 0.54 0.10 0.01 97.24 Average: 1 2.45 0.00 0.45 0.08 0.00 97.03