---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41454 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 66G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 684 9257 4 6046 14961 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:f6:95:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82603sec preferred_lft 82603sec inet6 fe80::f816:3eff:fef6:9533/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:3b:e7:20:f2:3d brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41454) 08/27/26 _x86_64_ (4 CPU) 12:08:44 LINUX RESTART (4 CPU) 12:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:07 10.43 0.92 9.01 0.51 40.09 1779.97 353.60 12:30:07 1.61 0.01 1.60 0.01 0.04 18.65 0.04 12:40:07 1.46 0.00 1.45 0.01 0.00 16.68 0.05 12:50:07 22.34 2.49 17.13 2.71 144.92 3432.92 43304.03 13:00:07 9.24 0.00 7.83 1.41 0.01 665.87 25706.76 13:10:01 35.18 0.45 30.23 4.50 18.75 8308.12 7366.79 Average: 13.34 0.65 11.17 1.52 34.00 2359.63 12798.35 12:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:07 13059220 15515624 463632 2.83 90816 2560396 1002004 5.75 322468 2678376 40 12:30:07 13058224 15515308 463832 2.83 91356 2560536 1002068 5.75 322988 2680248 40 12:40:07 13056236 15513900 465120 2.84 91908 2560540 1002200 5.75 323564 2682260 44 12:50:07 9574700 13056504 2901900 17.72 127648 3478128 3129144 17.96 660400 5736976 3384 13:00:07 9883996 13526668 2430604 14.85 138544 3613440 2691372 15.45 694760 5384140 5988 13:10:01 9545256 15378396 567372 3.47 174528 5665180 1109824 6.37 1582700 4706296 80 Average: 11362939 14751067 1215410 7.42 119133 3406370 1656102 9.51 651147 3978049 1596 12:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:07 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 12:20:07 ens3 11.42 8.62 100.43 2.31 0.00 0.00 0.00 0.00 12:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:07 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 12:30:07 ens3 1.29 0.70 0.20 0.10 0.00 0.00 0.00 0.00 12:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:07 lo 1.05 1.05 0.09 0.09 0.00 0.00 0.00 0.00 12:40:07 ens3 1.04 1.05 0.18 0.15 0.00 0.00 0.00 0.00 12:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:07 lo 10.82 10.82 2.40 2.40 0.00 0.00 0.00 0.00 12:50:07 ens3 61.77 50.33 655.40 8.97 0.00 0.00 0.00 0.00 12:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:07 lo 56.28 56.28 14.49 14.49 0.00 0.00 0.00 0.00 13:00:07 ens3 3.99 3.65 3.85 1.30 0.00 0.00 0.00 0.00 13:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 2480.38 2480.38 2387.55 2387.55 0.00 0.00 0.00 0.00 13:10:01 ens3 92.23 86.36 514.21 588.24 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 421.17 421.17 397.17 397.17 0.00 0.00 0.00 0.00 Average: ens3 28.51 25.01 211.83 99.30 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41454) 08/27/26 _x86_64_ (4 CPU) 12:08:44 LINUX RESTART (4 CPU) 12:10:07 CPU %user %nice %system %iowait %steal %idle 12:20:07 all 1.30 0.00 0.17 0.08 0.00 98.45 12:20:07 0 3.00 0.00 0.24 0.05 0.00 96.71 12:20:07 1 0.83 0.00 0.21 0.24 0.00 98.73 12:20:07 2 1.12 0.00 0.13 0.03 0.00 98.73 12:20:07 3 0.25 0.00 0.12 0.02 0.00 99.61 12:30:07 all 0.14 0.00 0.04 0.01 0.00 99.81 12:30:07 0 0.07 0.00 0.06 0.01 0.00 99.86 12:30:07 1 0.01 0.00 0.01 0.03 0.00 99.95 12:30:07 2 0.37 0.00 0.03 0.00 0.00 99.60 12:30:07 3 0.12 0.00 0.05 0.01 0.00 99.82 12:40:07 all 0.12 0.00 0.03 0.01 0.00 99.83 12:40:07 0 0.03 0.00 0.04 0.03 0.00 99.90 12:40:07 1 0.05 0.00 0.03 0.01 0.00 99.91 12:40:07 2 0.10 0.00 0.03 0.00 0.00 99.86 12:40:07 3 0.31 0.00 0.03 0.01 0.00 99.64 12:50:07 all 30.25 0.00 1.23 0.20 0.02 68.30 12:50:07 0 29.45 0.00 1.17 0.14 0.02 69.23 12:50:07 1 30.74 0.00 1.27 0.14 0.02 67.83 12:50:07 2 29.93 0.00 1.33 0.23 0.02 68.49 12:50:07 3 30.89 0.00 1.13 0.29 0.02 67.66 13:00:07 all 16.11 0.00 0.91 0.07 0.02 82.89 13:00:07 0 15.79 0.00 0.98 0.07 0.02 83.15 13:00:07 1 16.45 0.00 0.84 0.05 0.02 82.64 13:00:07 2 16.01 0.00 0.84 0.09 0.02 83.03 13:00:07 3 16.17 0.00 1.00 0.07 0.02 82.75 13:10:01 all 48.87 0.00 2.84 0.14 0.02 48.12 13:10:01 0 47.50 0.00 2.82 0.07 0.03 49.59 13:10:01 1 50.63 0.00 2.88 0.22 0.03 46.24 13:10:01 2 49.26 0.00 2.93 0.10 0.02 47.68 13:10:01 3 48.10 0.00 2.75 0.17 0.02 48.96 Average: all 16.07 0.00 0.87 0.09 0.01 82.97 Average: 0 15.92 0.00 0.88 0.06 0.01 83.13 Average: 1 16.38 0.00 0.87 0.11 0.01 82.62 Average: 2 16.05 0.00 0.88 0.08 0.01 82.98 Average: 3 15.90 0.00 0.84 0.09 0.01 83.15