---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-47345 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: 5600.00 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 781 5049 4 2413 7160 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:f9:f6:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5947sec preferred_lft 5947sec inet6 fe80::f816:3eff:fef9:f661/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-47345) 09/05/26 _x86_64_ (2 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.81 0.01 1.78 0.01 0.81 21.53 0.47 00:20:00 1.82 0.11 1.69 0.03 3.06 23.95 561.89 00:30:00 1.80 0.00 1.77 0.03 0.00 20.43 45.04 00:40:01 11.06 1.34 9.18 0.54 98.12 1379.49 269.12 Average: 4.12 0.37 3.60 0.15 25.51 361.57 218.88 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6106844 7517616 290012 3.57 54940 1552820 743652 8.10 480180 1322924 288 00:20:00 6121844 7493192 314408 3.87 55092 1513192 741356 8.07 478924 1283260 132 00:30:00 6135352 7507196 300340 3.69 55248 1513520 741420 8.08 478776 1283744 124 00:40:01 5561160 7349936 431360 5.30 84460 1878748 883024 9.62 632168 1664704 47304 Average: 5981300 7466985 334030 4.11 62435 1614570 777363 8.47 517512 1388658 11962 00:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.43 0.11 0.13 0.08 0.00 0.00 0.00 0.00 00:20:00 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:00 ens3 0.39 0.11 0.10 0.06 0.00 0.00 0.00 0.00 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 0.61 0.13 0.17 0.09 0.00 0.00 0.00 0.00 00:40:01 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 00:40:01 ens3 28.21 21.08 171.64 5.61 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 7.41 5.36 43.04 1.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-47345) 09/05/26 _x86_64_ (2 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.27 0.00 0.12 0.01 0.00 99.60 00:10:01 0 0.19 0.00 0.12 0.00 0.00 99.68 00:10:01 1 0.34 0.00 0.12 0.01 0.00 99.52 00:20:00 all 0.62 0.00 0.26 0.01 0.01 99.10 00:20:00 0 0.53 0.00 0.30 0.00 0.01 99.15 00:20:00 1 0.71 0.00 0.21 0.03 0.01 99.05 00:30:00 all 0.27 0.00 0.16 0.01 0.00 99.56 00:30:00 0 0.07 0.00 0.17 0.01 0.00 99.74 00:30:00 1 0.48 0.00 0.14 0.01 0.00 99.37 00:40:01 all 3.95 0.00 0.71 0.26 0.00 95.08 00:40:01 0 3.59 0.00 0.64 0.14 0.01 95.62 00:40:01 1 4.31 0.00 0.78 0.37 0.00 94.53 Average: all 1.28 0.00 0.31 0.07 0.00 98.33 Average: 0 1.10 0.00 0.31 0.04 0.01 98.55 Average: 1 1.46 0.00 0.31 0.11 0.00 98.12