---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53768 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 nrip_save 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 11G 67G 14% / 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 706 10128 4 5154 14940 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:d8:d8:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84633sec preferred_lft 84633sec inet6 fe80::f816:3eff:fed8:d877/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:a4:96:7e:0a:e5 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53768) 03/28/26 _x86_64_ (4 CPU) 12:53:28 LINUX RESTART (4 CPU) 13:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:01 56.01 0.45 35.42 20.14 14.11 4362.91 251631.90 13:20:16 46.55 0.00 37.44 9.10 0.01 2981.16 11875.40 Average: 51.17 0.22 36.46 14.50 6.90 3656.76 129102.25 13:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:01 8997392 13178320 2773268 16.94 178924 4064756 3074880 17.65 732084 6190560 111376 13:20:16 8496800 13079016 2868504 17.52 220552 4378076 3228364 18.53 833024 6548100 39612 Average: 8747096 13128668 2820886 17.23 199738 4221416 3151622 18.09 782554 6369330 75494 13:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:01 lo 2837.50 2837.50 2706.21 2706.21 0.00 0.00 0.00 0.00 13:10:01 ens3 75.72 57.19 329.51 19.13 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 13:20:16 lo 4766.59 4766.59 4543.66 4543.66 0.00 0.00 0.00 0.00 13:20:16 ens3 37.60 33.53 15.17 14.19 0.00 0.00 0.00 0.00 13:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3823.38 3823.38 3645.26 3645.26 0.00 0.00 0.00 0.00 Average: ens3 56.24 45.10 168.86 16.60 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53768) 03/28/26 _x86_64_ (4 CPU) 12:53:28 LINUX RESTART (4 CPU) 13:00:12 CPU %user %nice %system %iowait %steal %idle 13:10:01 all 64.04 0.00 3.25 0.09 0.09 32.54 13:10:01 0 63.23 0.00 3.28 0.12 0.09 33.28 13:10:01 1 64.23 0.00 3.23 0.14 0.09 32.31 13:10:01 2 64.77 0.00 3.15 0.06 0.09 31.93 13:10:01 3 63.92 0.00 3.32 0.05 0.09 32.62 13:20:16 all 63.87 0.00 3.85 0.12 0.10 32.06 13:20:16 0 63.20 0.00 3.88 0.10 0.10 32.71 13:20:16 1 64.52 0.00 3.96 0.13 0.10 31.29 13:20:16 2 62.95 0.00 3.78 0.12 0.10 33.05 13:20:16 3 64.78 0.00 3.78 0.13 0.10 31.20 Average: all 63.95 0.00 3.55 0.11 0.10 32.30 Average: 0 63.22 0.00 3.59 0.11 0.10 32.99 Average: 1 64.38 0.00 3.60 0.13 0.10 31.79 Average: 2 63.84 0.00 3.47 0.09 0.10 32.50 Average: 3 64.36 0.00 3.56 0.09 0.10 31.89