---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-47341 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 777 5092 4 2374 7164 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:d7:96:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5866sec preferred_lft 5866sec inet6 fe80::f816:3eff:fed7:96ff/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-47341) 09/05/26 _x86_64_ (2 CPU) 00:00:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.81 0.02 1.78 0.01 0.84 21.23 218.10 00:20:18 1.81 0.11 1.66 0.04 3.08 23.73 540.29 00:30:18 1.84 0.00 1.81 0.03 0.00 20.13 261.56 00:40:01 12.08 1.40 10.23 0.46 101.44 1504.31 237.46 Average: 4.33 0.37 3.82 0.13 25.79 384.00 317.27 00:00:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6094992 7505636 302532 3.72 54452 1553152 734152 8.00 481344 1322432 284 00:20:18 6121768 7493200 314884 3.87 54608 1513720 731132 7.96 480344 1282792 224 00:30:18 6130324 7502200 305740 3.76 54728 1514048 731336 7.97 480492 1283240 280 00:40:01 5548100 7338496 443264 5.45 83756 1881072 862424 9.39 636060 1665816 17980 Average: 5973796 7459883 341605 4.20 61886 1615498 764761 8.33 519560 1388570 4692 00:00:18 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 0.42 0.11 0.14 0.08 0.00 0.00 0.00 0.00 00:20:18 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:18 ens3 0.38 0.11 0.09 0.06 0.00 0.00 0.00 0.00 00:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:18 ens3 0.66 0.16 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 00:40:01 ens3 29.39 20.81 177.10 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 7.55 5.18 43.38 1.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-47341) 09/05/26 _x86_64_ (2 CPU) 00:00:18 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.27 0.00 0.12 0.01 0.00 99.59 00:10:01 0 0.35 0.00 0.10 0.02 0.00 99.53 00:10:01 1 0.20 0.00 0.15 0.00 0.00 99.65 00:20:18 all 0.61 0.00 0.27 0.02 0.00 99.10 00:20:18 0 0.47 0.00 0.31 0.02 0.00 99.20 00:20:18 1 0.74 0.00 0.23 0.01 0.00 99.01 00:30:18 all 0.28 0.00 0.18 0.01 0.00 99.53 00:30:18 0 0.22 0.00 0.19 0.02 0.00 99.57 00:30:18 1 0.35 0.00 0.16 0.00 0.00 99.48 00:40:01 all 4.06 0.00 0.76 0.24 0.01 94.94 00:40:01 0 5.03 0.00 0.84 0.25 0.01 93.86 00:40:01 1 3.08 0.00 0.67 0.23 0.01 96.01 Average: all 1.29 0.00 0.33 0.07 0.00 98.31 Average: 0 1.49 0.00 0.36 0.08 0.00 98.07 Average: 1 1.08 0.00 0.30 0.06 0.00 98.55