---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2999 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 8.2G 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 779 5014 4 2449 7162 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:63:81:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83751sec preferred_lft 83751sec inet6 fe80::f816:3eff:fe63:81e1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-2999) 09/08/26 _x86_64_ (2 CPU) 00:43:38 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.55 0.01 1.51 0.03 0.05 26.75 3.95 01:10:22 14.91 0.00 1.34 13.57 0.14 24.31 102784.35 01:20:01 1.27 0.00 1.26 0.02 0.01 16.77 3.85 Average: 6.07 0.00 1.37 4.70 0.07 22.70 35465.73 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 5225604 7404508 362532 4.46 86300 2254044 610956 6.65 573716 2024652 240 01:10:22 5220312 7402088 364900 4.49 86484 2256732 614384 6.69 578608 2027496 124 01:20:01 5217792 7400360 366644 4.51 86636 2257372 614384 6.69 578692 2028288 148 Average: 5221236 7402319 364692 4.48 86473 2256049 613241 6.68 577005 2026812 171 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 1.11 0.19 0.15 0.08 0.00 0.00 0.00 0.00 01:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:22 ens3 3.39 0.36 0.57 0.20 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.24 0.20 0.19 0.09 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.94 0.25 0.31 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-2999) 09/08/26 _x86_64_ (2 CPU) 00:43:38 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 1.44 0.00 0.24 0.01 0.01 98.31 01:00:01 0 1.32 0.00 0.21 0.01 0.01 98.46 01:00:01 1 1.55 0.00 0.27 0.01 0.01 98.16 01:10:22 all 1.58 0.00 0.15 0.04 0.01 98.22 01:10:22 0 2.09 0.00 0.14 0.01 0.02 97.74 01:10:22 1 1.06 0.00 0.16 0.06 0.01 98.71 01:20:01 all 1.00 0.00 0.13 0.01 0.01 98.85 01:20:01 0 1.52 0.00 0.15 0.01 0.01 98.30 01:20:01 1 0.48 0.00 0.11 0.01 0.01 99.39 Average: all 1.34 0.00 0.17 0.02 0.01 98.45 Average: 0 1.65 0.00 0.17 0.01 0.01 98.16 Average: 1 1.04 0.00 0.18 0.03 0.01 98.74