---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8519 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 745 5192 4 2297 7196 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:ea:81:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78971sec preferred_lft 78971sec inet6 fe80::f816:3eff:feea:815a/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-8519) 09/16/26 _x86_64_ (2 CPU) 01:05:23 LINUX RESTART (2 CPU) 01:10:43 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:43 2.12 0.35 1.75 0.02 44.69 107.37 39.94 01:30:33 1.45 0.01 1.43 0.01 0.05 17.80 433.84 01:40:33 14.38 0.00 1.16 13.21 0.15 14.39 108972.57 01:50:43 1.15 0.00 1.15 0.00 0.00 14.26 0.00 02:00:23 1.35 0.00 1.34 0.01 0.00 17.35 661.92 02:10:43 1.19 0.00 1.19 0.00 0.00 14.69 0.00 02:20:33 1.24 0.00 1.24 0.00 0.00 15.37 0.00 02:30:43 1.40 0.00 1.39 0.01 0.00 17.49 419.27 02:40:23 28.20 3.10 22.70 2.40 237.23 3636.52 1167.76 02:50:03 1.17 0.00 1.17 0.00 0.00 14.94 0.00 03:00:33 1.41 0.00 1.40 0.01 0.00 17.55 0.27 Average: 4.93 0.31 3.20 1.42 24.96 342.82 10163.75 01:10:43 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:43 6236604 7527660 291528 3.58 31132 1466232 722808 7.87 460116 1217404 124 01:30:33 6243036 7534660 284400 3.50 31328 1466564 722964 7.87 460320 1217932 164 01:40:33 6242536 7534684 284288 3.50 31504 1466936 721816 7.86 459344 1218416 232 01:50:43 6242048 7534776 284140 3.49 31656 1467320 721816 7.86 459468 1218924 172 02:00:23 6244880 7538108 280772 3.45 31832 1467620 721880 7.86 459728 1219400 224 02:10:43 6244628 7538508 280364 3.45 31984 1468112 721880 7.86 459924 1219916 168 02:20:33 6249440 7543796 275060 3.38 32136 1468432 721944 7.86 460052 1220388 176 02:30:43 6235348 7530332 288500 3.55 32288 1468892 721944 7.86 460456 1220872 136 02:40:23 5179744 7414556 350964 4.32 88656 2306736 816452 8.89 588764 2069388 136 02:50:03 5181056 7416344 349144 4.29 88788 2307084 816580 8.89 588792 2069868 220 03:00:33 5175648 7411456 353916 4.35 88908 2307468 816676 8.90 588956 2070372 208 Average: 5952270 7502262 302098 3.71 47292 1696491 747887 8.15 495084 1451171 178 01:10:43 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:43 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:43 ens3 1.04 0.30 3.40 0.08 0.00 0.00 0.00 0.00 01:30:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:33 ens3 0.46 0.06 0.35 0.03 0.00 0.00 0.00 0.00 01:40:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:33 ens3 0.53 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:50:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:43 ens3 0.23 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:00:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:23 ens3 0.32 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:10:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:43 ens3 0.22 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:20:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:33 ens3 0.27 0.13 0.04 0.49 0.00 0.00 0.00 0.00 02:30:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:43 ens3 0.27 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:40:23 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 02:40:23 ens3 76.85 53.31 335.70 12.05 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 1.60 0.26 0.28 0.11 0.00 0.00 0.00 0.00 03:00:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:33 ens3 0.70 0.20 0.14 0.06 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 7.27 4.80 29.94 1.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8519) 09/16/26 _x86_64_ (2 CPU) 01:05:23 LINUX RESTART (2 CPU) 01:10:43 CPU %user %nice %system %iowait %steal %idle 01:20:43 all 0.46 0.00 0.14 0.03 0.01 99.36 01:20:43 0 0.34 0.00 0.19 0.05 0.01 99.41 01:20:43 1 0.58 0.00 0.09 0.02 0.01 99.31 01:30:33 all 0.32 0.00 0.18 0.01 0.01 99.48 01:30:33 0 0.50 0.00 0.14 0.00 0.01 99.35 01:30:33 1 0.14 0.00 0.22 0.03 0.01 99.60 01:40:33 all 0.28 0.00 0.10 0.04 0.00 99.57 01:40:33 0 0.20 0.00 0.09 0.00 0.00 99.70 01:40:33 1 0.35 0.00 0.12 0.08 0.00 99.45 01:50:43 all 0.26 0.00 0.09 0.01 0.00 99.63 01:50:43 0 0.46 0.00 0.07 0.00 0.00 99.46 01:50:43 1 0.06 0.00 0.11 0.02 0.01 99.80 02:00:23 all 0.29 0.00 0.18 0.01 0.01 99.50 02:00:23 0 0.48 0.00 0.16 0.01 0.01 99.35 02:00:23 1 0.11 0.00 0.21 0.02 0.01 99.65 02:10:43 all 0.25 0.00 0.08 0.01 0.00 99.65 02:10:43 0 0.45 0.00 0.05 0.02 0.00 99.47 02:10:43 1 0.05 0.00 0.11 0.01 0.01 99.83 02:20:33 all 0.27 0.00 0.10 0.06 0.01 99.57 02:20:33 0 0.47 0.00 0.08 0.10 0.01 99.34 02:20:33 1 0.06 0.00 0.12 0.01 0.01 99.80 02:30:43 all 0.29 0.00 0.19 0.02 0.01 99.49 02:30:43 0 0.11 0.00 0.21 0.02 0.01 99.66 02:30:43 1 0.48 0.00 0.18 0.01 0.01 99.32 02:40:23 all 12.48 0.00 2.16 0.80 0.03 84.54 02:40:23 0 14.31 0.00 2.42 1.12 0.03 82.13 02:40:23 1 10.67 0.00 1.90 0.48 0.02 86.94 02:50:03 all 0.41 0.00 0.19 0.01 0.02 99.38 02:50:03 0 0.45 0.00 0.14 0.01 0.02 99.38 02:50:03 1 0.37 0.00 0.24 0.01 0.02 99.37 03:00:33 all 0.41 0.00 0.26 0.01 0.02 99.30 03:00:33 0 0.33 0.00 0.27 0.02 0.02 99.36 03:00:33 1 0.50 0.00 0.25 0.00 0.01 99.24 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.39 0.00 0.33 0.09 0.01 98.18 Average: 0 1.60 0.00 0.34 0.12 0.01 97.93 Average: 1 1.19 0.00 0.32 0.06 0.01 98.43