---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-47003 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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 7.9G 30G 21% / 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 764 5199 4 2278 7177 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:9f:cd:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 1009sec preferred_lft 1009sec inet6 fe80::f816:3eff:fe9f:cdba/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-47003) 09/04/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:09 1.77 0.02 1.73 0.02 0.83 20.82 418.05 00:20:09 1.86 0.11 1.73 0.03 3.05 24.20 366.88 00:30:01 1.70 0.00 1.69 0.02 0.00 18.40 429.85 00:40:09 15.51 1.57 12.94 1.00 111.94 2325.76 206.95 00:50:09 3.62 0.06 3.05 0.51 6.73 105.07 32.23 Average: 4.92 0.35 4.25 0.32 24.75 503.85 290.54 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:09 6110944 7508508 298936 3.68 54924 1539392 547076 5.96 421368 1364760 216 00:20:09 6144024 7499820 307516 3.78 55068 1497448 544100 5.93 419472 1322744 212 00:30:01 6132964 7489240 317976 3.91 55208 1497776 544100 5.93 419596 1323204 256 00:40:09 5340116 7352024 416148 5.12 92040 2083212 652708 7.11 554996 1929200 2544 00:50:09 5430284 7445748 322360 3.96 93080 2085564 569560 6.20 477000 1930716 216 Average: 5831666 7459068 332587 4.09 70064 1740678 571509 6.22 458486 1574125 689 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:09 ens3 0.30 0.10 0.10 0.07 0.00 0.00 0.00 0.00 00:20:09 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:09 ens3 0.23 0.08 0.07 0.04 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 0.53 0.17 0.21 0.13 0.00 0.00 0.00 0.00 00:40:09 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 00:40:09 ens3 39.30 27.68 274.15 7.91 0.00 0.00 0.00 0.00 00:50:09 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:09 ens3 7.29 4.92 2.38 1.65 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 9.61 6.65 55.98 1.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-47003) 09/04/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:09 all 0.24 0.00 0.11 0.07 0.00 99.57 00:10:09 0 0.37 0.00 0.07 0.07 0.00 99.49 00:10:09 1 0.12 0.00 0.14 0.07 0.00 99.66 00:20:09 all 0.65 0.00 0.24 0.07 0.01 99.05 00:20:09 0 0.68 0.00 0.24 0.03 0.01 99.05 00:20:09 1 0.61 0.00 0.23 0.11 0.01 99.04 00:30:01 all 0.29 0.00 0.17 0.01 0.01 99.53 00:30:01 0 0.11 0.00 0.21 0.00 0.01 99.67 00:30:01 1 0.47 0.00 0.13 0.02 0.01 99.39 00:40:09 all 6.48 0.00 1.07 0.32 0.01 92.12 00:40:09 0 6.31 0.00 0.95 0.12 0.01 92.61 00:40:09 1 6.66 0.00 1.19 0.51 0.01 91.64 00:50:09 all 3.28 0.00 0.60 0.05 0.01 96.06 00:50:09 0 2.42 0.00 0.59 0.01 0.01 96.97 00:50:09 1 4.15 0.00 0.62 0.08 0.01 95.14 Average: all 2.20 0.00 0.44 0.10 0.01 97.25 Average: 0 1.99 0.00 0.41 0.05 0.01 97.54 Average: 1 2.41 0.00 0.46 0.16 0.01 96.96