---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-57562 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 773 5049 4 2413 7168 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:1f:b3:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79907sec preferred_lft 79907sec inet6 fe80::f816:3eff:fe1f:b3dc/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-57562) 09/23/26 _x86_64_ (2 CPU) 00:37:59 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.37 0.03 1.34 0.00 1.24 16.58 5.74 01:00:12 22.95 2.77 18.18 2.01 218.21 2806.44 1152.11 01:10:22 4.41 0.02 4.18 0.21 1.99 705.15 71.58 01:20:01 1.34 0.00 1.34 0.00 0.01 24.18 0.06 01:30:22 2.17 0.31 1.83 0.02 41.60 215.02 0.40 01:40:02 1.34 0.01 1.33 0.00 0.11 17.94 0.04 01:50:01 1.23 0.00 1.23 0.00 0.00 16.57 0.00 02:00:12 15.44 0.00 1.59 13.85 0.14 24.75 104596.00 02:10:22 1.35 0.00 1.34 0.00 0.20 57.04 0.09 02:20:01 1.37 0.00 1.37 0.01 0.00 22.70 0.11 Average: 5.37 0.32 3.41 1.64 26.90 397.66 10779.58 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6297092 7544152 276324 3.40 30548 1423160 521280 5.68 444896 1183928 244 01:00:12 5156028 7359400 406928 5.00 87136 2276288 640280 6.97 622872 2048556 188124 01:10:22 5147308 7349388 417780 5.14 87840 2275156 643664 7.01 603964 2047848 180 01:20:01 5115984 7320468 446680 5.49 87984 2277436 676856 7.37 628504 2050256 240 01:30:22 5028832 7307328 458736 5.64 88408 2350356 881988 9.61 658288 2113468 192 01:40:02 5020756 7300156 465916 5.73 88548 2351152 882116 9.61 658460 2114240 324 01:50:01 5020756 7300896 465192 5.72 88668 2351728 882116 9.61 658484 2114972 260 02:00:12 5055096 7337020 428968 5.27 88828 2353308 857424 9.34 625240 2116556 132 02:10:22 4996848 7291976 473788 5.83 88952 2366212 910396 9.92 686932 2129580 380 02:20:01 5024144 7321108 444616 5.47 89080 2367896 876956 9.55 653656 2131396 268 Average: 5186284 7343189 428493 5.27 82599 2239269 777308 8.47 624130 2005080 19034 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.49 0.10 0.39 0.05 0.00 0.00 0.00 0.00 01:00:12 lo 1.25 1.25 0.08 0.08 0.00 0.00 0.00 0.00 01:00:12 ens3 53.85 38.02 314.89 7.69 0.00 0.00 0.00 0.00 01:10:22 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:10:22 ens3 38.03 33.09 303.20 5.93 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 10.45 9.14 64.03 1.29 0.00 0.00 0.00 0.00 01:30:22 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:22 ens3 3.49 2.76 38.74 0.28 0.00 0.00 0.00 0.00 01:40:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 3.89 1.94 0.72 0.45 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 2.77 1.71 0.33 0.22 0.00 0.00 0.00 0.00 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 8.01 7.25 117.95 0.89 0.00 0.00 0.00 0.00 02:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:22 ens3 16.19 15.67 211.85 1.94 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 9.49 9.22 144.96 0.91 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.10 11.99 120.77 1.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57562) 09/23/26 _x86_64_ (2 CPU) 00:37:59 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.30 0.00 0.08 0.04 0.00 99.57 00:50:01 0 0.53 0.00 0.07 0.07 0.00 99.33 00:50:01 1 0.08 0.00 0.10 0.01 0.00 99.81 01:00:12 all 10.46 0.00 1.82 0.61 0.01 87.10 01:00:12 0 7.75 0.00 1.81 0.96 0.01 89.48 01:00:12 1 13.18 0.00 1.83 0.26 0.01 84.71 01:10:22 all 2.03 0.00 0.57 0.04 0.01 97.36 01:10:22 0 1.83 0.00 0.56 0.05 0.01 97.55 01:10:22 1 2.23 0.00 0.58 0.03 0.01 97.16 01:20:01 all 0.95 0.00 0.24 0.01 0.01 98.80 01:20:01 0 0.99 0.00 0.29 0.02 0.01 98.69 01:20:01 1 0.90 0.00 0.18 0.01 0.00 98.91 01:30:22 all 0.96 0.00 0.32 0.03 0.04 98.65 01:30:22 0 0.87 0.00 0.26 0.04 0.03 98.80 01:30:22 1 1.04 0.00 0.39 0.03 0.04 98.50 01:40:02 all 0.56 0.00 0.17 0.01 0.01 99.25 01:40:02 0 0.61 0.00 0.11 0.01 0.00 99.28 01:40:02 1 0.52 0.00 0.23 0.02 0.01 99.23 01:50:01 all 0.51 0.00 0.15 0.01 0.00 99.32 01:50:01 0 0.52 0.00 0.09 0.01 0.00 99.38 01:50:01 1 0.50 0.00 0.21 0.02 0.01 99.27 02:00:12 all 0.77 0.00 0.32 0.04 0.01 98.86 02:00:12 0 0.59 0.00 0.22 0.01 0.00 99.17 02:00:12 1 0.95 0.00 0.43 0.07 0.01 98.54 02:10:22 all 1.79 0.00 0.38 0.02 0.02 97.78 02:10:22 0 1.51 0.00 0.38 0.04 0.01 98.06 02:10:22 1 2.07 0.00 0.39 0.01 0.03 97.50 02:20:01 all 0.77 0.00 0.25 0.01 0.01 98.96 02:20:01 0 0.95 0.00 0.34 0.02 0.01 98.69 02:20:01 1 0.60 0.00 0.17 0.00 0.00 99.22 Average: all 1.95 0.00 0.44 0.08 0.01 97.52 Average: 0 1.64 0.00 0.42 0.12 0.01 97.81 Average: 1 2.25 0.00 0.45 0.05 0.01 97.23