---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-61814 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 783 5158 4 2294 7158 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:00:e0:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83300sec preferred_lft 83300sec inet6 fe80::f816:3eff:fe00:e0bb/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-61814) 10/04/26 _x86_64_ (2 CPU) 00:41:20 LINUX RESTART (2 CPU) 00:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 23.16 2.82 18.28 2.06 222.68 2860.23 488.45 01:10:01 3.94 0.01 3.71 0.22 1.00 687.30 47.18 01:20:06 1.13 0.00 1.13 0.00 0.01 14.41 0.63 01:30:06 1.47 0.00 1.45 0.02 0.00 18.53 0.23 Average: 7.42 0.71 6.13 0.58 55.92 893.62 134.02 00:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 5141076 7375168 390564 4.80 87228 2307092 825580 8.99 626916 2069048 188376 01:10:01 5169632 7405348 360236 4.43 87940 2308016 816740 8.90 598700 2070564 144 01:20:06 5169712 7405920 359644 4.42 88084 2308372 816848 8.90 598972 2071064 208 01:30:06 5155884 7392668 372896 4.59 88244 2308792 816848 8.90 599100 2071576 296 Average: 5159076 7394776 370835 4.56 87874 2308068 819004 8.92 605922 2070563 47256 00:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 01:00:06 ens3 55.12 37.82 322.86 7.78 0.00 0.00 0.00 0.00 01:10:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 25.25 16.07 5.40 4.29 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 2.96 0.38 0.56 0.23 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.94 0.28 0.16 0.08 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 21.02 13.60 82.23 3.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61814) 10/04/26 _x86_64_ (2 CPU) 00:41:20 LINUX RESTART (2 CPU) 00:50:06 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 10.54 0.00 1.89 0.59 0.02 86.97 01:00:06 0 6.76 0.00 1.63 0.29 0.01 91.32 01:00:06 1 14.34 0.00 2.15 0.89 0.02 82.60 01:10:01 all 1.27 0.00 0.33 0.04 0.01 98.36 01:10:01 0 1.01 0.00 0.29 0.01 0.00 98.68 01:10:01 1 1.52 0.00 0.37 0.06 0.01 98.03 01:20:06 all 0.39 0.00 0.14 0.01 0.01 99.46 01:20:06 0 0.30 0.00 0.15 0.00 0.01 99.53 01:20:06 1 0.47 0.00 0.12 0.01 0.00 99.39 01:30:06 all 0.40 0.00 0.24 0.01 0.01 99.34 01:30:06 0 0.40 0.00 0.23 0.02 0.01 99.34 01:30:06 1 0.40 0.00 0.24 0.00 0.01 99.34 Average: all 3.15 0.00 0.65 0.16 0.01 96.03 Average: 0 2.12 0.00 0.58 0.08 0.01 97.21 Average: 1 4.19 0.00 0.72 0.24 0.01 94.84