---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-47348 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 8.1G 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 762 5027 4 2454 7179 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:31:83:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80037sec preferred_lft 80037sec inet6 fe80::f816:3eff:fe31:83d1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-47348) 09/05/26 _x86_64_ (2 CPU) 00:00:39 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.75 0.02 1.72 0.01 0.87 21.27 0.31 00:20:39 1.72 0.10 1.58 0.03 2.87 23.07 253.42 00:30:29 22.86 2.85 18.24 1.77 224.40 2878.77 869.29 Average: 8.70 0.98 7.12 0.60 75.26 963.78 376.97 00:00:39 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6095280 7505332 302888 3.72 54264 1552588 740644 8.07 470524 1322224 360 00:20:39 6120896 7491548 316608 3.89 54376 1513036 737944 8.04 469136 1282568 124 00:30:29 4961812 7325400 427984 5.26 105616 2405380 858108 9.35 636088 2181292 219680 Average: 5725996 7440760 349160 4.29 71419 1823668 778899 8.48 525249 1595361 73388 00:00:39 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 0.40 0.13 0.14 0.09 0.00 0.00 0.00 0.00 00:20:39 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:39 ens3 0.37 0.10 0.09 0.05 0.00 0.00 0.00 0.00 00:30:29 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 00:30:29 ens3 43.49 31.70 317.64 8.79 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 14.59 10.53 104.77 2.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-47348) 09/05/26 _x86_64_ (2 CPU) 00:00:39 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.29 0.00 0.13 0.01 0.00 99.57 00:10:01 0 0.08 0.00 0.15 0.01 0.00 99.75 00:10:01 1 0.50 0.00 0.11 0.01 0.00 99.38 00:20:39 all 0.61 0.00 0.23 0.01 0.00 99.15 00:20:39 0 0.48 0.00 0.24 0.03 0.01 99.25 00:20:39 1 0.74 0.00 0.22 0.00 0.00 99.04 00:30:29 all 10.13 0.00 1.76 0.47 0.01 87.63 00:30:29 0 14.53 0.00 2.00 0.59 0.01 82.87 00:30:29 1 5.73 0.00 1.53 0.36 0.01 92.37 Average: all 3.65 0.00 0.70 0.16 0.00 95.48 Average: 0 4.99 0.00 0.79 0.21 0.01 94.01 Average: 1 2.31 0.00 0.62 0.12 0.00 96.95