---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46522 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 13G 66G 16% / 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 662 8556 4 6770 14983 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:3d:c8:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84009sec preferred_lft 84009sec inet6 fe80::f816:3eff:fe3d:c89c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:ac:fb:0b:d5:29 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-46522) 09/01/26 _x86_64_ (4 CPU) 05:23:22 LINUX RESTART (4 CPU) 05:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 31.43 3.04 25.29 3.10 165.96 4276.09 5667.44 05:50:18 28.14 0.02 25.25 2.88 0.54 2267.67 29361.81 06:00:09 32.92 0.19 16.47 16.26 11.26 8472.86 284942.00 Average: 30.79 1.06 22.37 7.36 57.91 4968.02 105955.21 05:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9302144 13161988 2793604 17.06 149900 3819524 3067116 17.61 701796 5966788 31696 05:50:18 8910528 13162516 2789784 17.04 169884 4160784 2881668 16.54 808932 6217264 18488 06:00:09 8814132 15386216 558648 3.41 189900 6382140 1122136 6.44 1616704 5397944 576 Average: 9008935 13903573 2047345 12.50 169895 4787483 2356973 13.53 1042477 5860665 16920 05:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1720.51 1720.51 1633.86 1633.86 0.00 0.00 0.00 0.00 05:40:01 ens3 111.57 92.97 1018.68 21.81 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:18 lo 1317.92 1317.92 1254.73 1254.73 0.00 0.00 0.00 0.00 05:50:18 ens3 27.88 22.43 23.20 9.57 0.00 0.00 0.00 0.00 05:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:09 lo 713.95 713.95 7285.09 7285.09 0.00 0.00 0.00 0.00 06:00:09 ens3 51.70 51.54 122.60 379.18 0.00 0.00 0.00 0.00 06:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1249.71 1249.71 3367.23 3367.23 0.00 0.00 0.00 0.00 Average: ens3 62.97 54.99 379.92 135.47 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-46522) 09/01/26 _x86_64_ (4 CPU) 05:23:22 LINUX RESTART (4 CPU) 05:30:18 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 65.91 0.00 2.98 0.12 0.03 30.97 05:40:01 0 66.18 0.00 2.86 0.13 0.03 30.81 05:40:01 1 65.37 0.00 2.87 0.09 0.03 31.66 05:40:01 2 66.56 0.00 3.31 0.19 0.03 29.91 05:40:01 3 65.53 0.00 2.88 0.06 0.02 31.51 05:50:18 all 64.27 0.00 2.80 0.08 0.03 32.82 05:50:18 0 62.61 0.00 2.41 0.12 0.03 34.83 05:50:18 1 62.04 0.00 2.79 0.11 0.02 35.03 05:50:18 2 65.76 0.00 3.18 0.03 0.04 31.00 05:50:18 3 66.67 0.00 2.83 0.04 0.04 30.42 06:00:09 all 39.87 0.00 1.86 0.25 0.03 57.99 06:00:09 0 41.26 0.00 2.18 0.28 0.03 56.25 06:00:09 1 38.86 0.00 1.86 0.14 0.02 59.12 06:00:09 2 35.80 0.00 1.75 0.36 0.02 62.07 06:00:09 3 43.57 0.00 1.67 0.22 0.03 54.51 Average: all 56.75 0.00 2.55 0.15 0.03 40.52 Average: 0 56.73 0.00 2.48 0.17 0.03 40.59 Average: 1 55.47 0.00 2.51 0.11 0.02 41.89 Average: 2 56.14 0.00 2.75 0.20 0.03 40.89 Average: 3 58.68 0.00 2.46 0.11 0.03 38.72