---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-61290 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 772 5092 4 2379 7169 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:e0:b7:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83084sec preferred_lft 83084sec inet6 fe80::f816:3eff:fee0:b709/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61290) 10/03/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.81 0.02 1.78 0.01 0.84 21.43 5.17 00:20:04 1.89 0.11 1.75 0.03 3.04 24.65 356.38 00:30:01 1.77 0.00 1.73 0.04 0.00 19.94 4.24 00:40:01 15.87 1.61 13.35 0.92 113.68 2233.49 446.29 Average: 5.33 0.43 4.65 0.25 29.36 574.18 203.24 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6103272 7517444 290664 3.57 55136 1555940 742132 8.08 478588 1325712 392 00:20:04 6132884 7505512 302496 3.72 55300 1514236 739180 8.05 477384 1283924 272 00:30:01 6118980 7492088 315904 3.88 55452 1514524 739188 8.05 477252 1284396 244 00:40:01 5338660 7374964 393700 4.84 93308 2106272 844928 9.20 606224 1897716 48136 Average: 5923449 7472502 325691 4.00 64799 1672743 766357 8.35 509862 1447937 12261 00:00:01 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 0.67 0.51 0.19 2.01 0.00 0.00 0.00 0.00 00:20:04 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:04 ens3 0.49 0.12 0.16 0.11 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.52 0.09 0.14 0.07 0.00 0.00 0.00 0.00 00:40:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 00:40:01 ens3 47.23 34.01 284.02 6.79 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.21 8.67 71.04 2.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61290) 10/03/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.21 0.00 0.12 0.01 0.00 99.66 00:10:01 0 0.26 0.00 0.09 0.02 0.00 99.62 00:10:01 1 0.16 0.00 0.15 0.00 0.00 99.69 00:20:04 all 0.64 0.00 0.22 0.02 0.00 99.12 00:20:04 0 0.59 0.00 0.24 0.03 0.00 99.14 00:20:04 1 0.69 0.00 0.20 0.00 0.00 99.10 00:30:01 all 0.26 0.00 0.17 0.01 0.00 99.56 00:30:01 0 0.33 0.00 0.18 0.00 0.00 99.48 00:30:01 1 0.18 0.00 0.15 0.02 0.00 99.64 00:40:01 all 6.18 0.00 1.04 0.52 0.00 92.26 00:40:01 0 6.13 0.00 1.13 0.53 0.00 92.21 00:40:01 1 6.22 0.00 0.95 0.51 0.00 92.31 Average: all 1.82 0.00 0.39 0.14 0.00 97.65 Average: 0 1.82 0.00 0.41 0.15 0.00 97.62 Average: 1 1.81 0.00 0.36 0.13 0.00 97.69