---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8822 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 8.1G 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 774 4977 4 2492 7167 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:59:f8:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 3394sec preferred_lft 3394sec inet6 fe80::f816:3eff:fe59:f8a2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8822) 09/18/26 _x86_64_ (2 CPU) 00:00:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:27 1.82 0.02 1.79 0.02 0.81 21.17 428.23 00:20:27 27.35 3.10 21.82 2.43 230.95 3625.86 2420.52 00:30:01 1.79 0.00 1.76 0.03 0.00 25.11 0.42 00:40:27 1.52 0.00 1.50 0.02 0.00 20.71 0.18 00:50:27 1.55 0.00 1.53 0.02 0.00 130.51 0.15 01:00:01 1.79 0.00 1.75 0.03 0.00 21.16 0.36 01:10:27 1.59 0.00 1.58 0.02 0.00 18.96 0.14 01:20:27 1.58 0.00 1.57 0.01 0.00 28.29 395.99 01:30:01 1.71 0.01 1.68 0.02 0.21 57.18 0.98 01:40:04 1.49 0.00 1.48 0.01 0.00 22.20 0.27 Average: 4.22 0.31 3.65 0.26 23.29 398.37 325.96 00:00:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:27 6115548 7526108 282056 3.47 54348 1552976 739156 8.05 470928 1322248 352 00:20:27 4963488 7277812 477544 5.87 107056 2358980 908648 9.90 673324 2135356 284 00:30:01 5010384 7326672 428512 5.27 107160 2360844 883820 9.63 640040 2137196 248 00:40:27 5016840 7334756 420484 5.17 107260 2362372 883868 9.63 640324 2138824 164 00:50:27 4972436 7325072 429960 5.29 107404 2396748 903444 9.84 659748 2173344 224 01:00:01 4975836 7329224 425760 5.24 107524 2397368 903592 9.84 659876 2174084 284 01:10:27 4980476 7334592 420372 5.17 107608 2398016 903592 9.84 659816 2174800 156 01:20:27 4969156 7326628 428384 5.27 107724 2401192 889672 9.69 646300 2178108 144 01:30:01 4899960 7269100 485668 5.97 107808 2412616 925260 10.08 681112 2189616 512 01:40:04 5274784 7454620 309112 3.80 107920 2231152 760592 8.28 554308 2008136 4908 Average: 5117891 7350458 410785 5.05 102181 2287226 870164 9.48 628578 2063171 728 00:00:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:27 ens3 0.31 0.07 0.09 0.05 0.00 0.00 0.00 0.00 00:20:27 lo 1.37 1.37 0.09 0.09 0.00 0.00 0.00 0.00 00:20:27 ens3 86.96 64.70 510.16 13.79 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 16.32 13.01 146.59 1.22 0.00 0.00 0.00 0.00 00:40:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:27 ens3 5.52 4.90 31.89 0.67 0.00 0.00 0.00 0.00 00:50:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:27 ens3 4.17 3.28 36.94 0.34 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 3.24 1.76 0.45 0.26 0.00 0.00 0.00 0.00 01:10:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:27 ens3 5.38 1.84 0.78 0.38 0.00 0.00 0.00 0.00 01:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:27 ens3 12.70 11.19 148.84 1.41 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 23.65 23.06 313.18 2.19 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 9.23 8.20 57.37 1.08 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 16.68 13.12 123.29 2.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8822) 09/18/26 _x86_64_ (2 CPU) 00:00:27 CPU %user %nice %system %iowait %steal %idle 00:10:27 all 0.27 0.00 0.11 0.01 0.01 99.61 00:10:27 0 0.39 0.00 0.08 0.00 0.01 99.52 00:10:27 1 0.15 0.00 0.13 0.02 0.01 99.69 00:20:27 all 12.95 0.00 2.34 0.67 0.04 84.00 00:20:27 0 7.98 0.00 2.19 0.67 0.04 89.12 00:20:27 1 17.94 0.00 2.49 0.66 0.03 78.88 00:30:01 all 0.86 0.00 0.37 0.01 0.01 98.75 00:30:01 0 1.03 0.00 0.42 0.01 0.01 98.53 00:30:01 1 0.68 0.00 0.32 0.02 0.02 98.97 00:40:27 all 1.31 0.00 0.28 0.01 0.01 98.39 00:40:27 0 1.23 0.00 0.21 0.01 0.01 98.53 00:40:27 1 1.39 0.00 0.34 0.01 0.02 98.25 00:50:27 all 0.99 0.00 0.27 0.01 0.02 98.70 00:50:27 0 1.13 0.00 0.33 0.02 0.03 98.49 00:50:27 1 0.85 0.00 0.22 0.01 0.01 98.90 01:00:01 all 0.55 0.00 0.26 0.01 0.03 99.15 01:00:01 0 0.53 0.00 0.31 0.01 0.03 99.12 01:00:01 1 0.58 0.00 0.21 0.02 0.02 99.18 01:10:27 all 0.55 0.00 0.19 0.01 0.03 99.22 01:10:27 0 0.51 0.00 0.22 0.01 0.03 99.23 01:10:27 1 0.60 0.00 0.16 0.01 0.02 99.21 01:20:27 all 1.08 0.00 0.30 0.01 0.03 98.59 01:20:27 0 0.66 0.00 0.19 0.02 0.02 99.12 01:20:27 1 1.49 0.00 0.41 0.00 0.03 98.06 01:30:01 all 1.82 0.00 0.56 0.02 0.04 97.57 01:30:01 0 2.08 0.00 0.68 0.02 0.04 97.18 01:30:01 1 1.56 0.00 0.43 0.01 0.03 97.96 01:40:04 all 1.32 0.00 0.33 0.01 0.03 98.31 01:40:04 0 0.85 0.00 0.34 0.01 0.02 98.76 01:40:04 1 1.79 0.00 0.32 0.01 0.04 97.86 Average: all 2.18 0.00 0.50 0.08 0.02 97.21 Average: 0 1.64 0.00 0.50 0.08 0.02 97.76 Average: 1 2.73 0.00 0.50 0.08 0.02 96.67