---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15290 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 9.9G 68G 13% / 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 686 10902 4 4400 14960 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:97:36:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.203/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84508sec preferred_lft 84508sec inet6 fe80::f816:3eff:fe97:3690/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:38:96:a2:5e:3e 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-15290) 05/14/26 _x86_64_ (4 CPU) 20:53:21 LINUX RESTART (4 CPU) 21:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 31.84 2.59 24.92 4.33 143.34 3284.71 13671.70 21:20:08 43.51 0.30 35.32 7.89 11.67 4242.93 15962.71 Average: 37.75 1.43 30.19 6.13 76.66 3769.97 14831.90 21:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10559800 13885760 2075024 12.67 140192 3326180 2440460 14.01 588580 4864856 99628 21:20:08 11249572 15392192 562324 3.43 196040 4009664 1113136 6.39 843488 3814992 4 Average: 10904686 14638976 1318674 8.05 168116 3667922 1776798 10.20 716034 4339924 49816 21:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 2655.85 2655.85 2532.44 2532.44 0.00 0.00 0.00 0.00 21:10:01 ens3 115.11 86.85 769.35 20.71 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:08 lo 3530.11 3530.11 3360.97 3360.97 0.00 0.00 0.00 0.00 21:20:08 ens3 101.94 85.41 113.19 66.85 0.00 0.00 0.00 0.00 21:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3098.59 3098.59 2952.02 2952.02 0.00 0.00 0.00 0.00 Average: ens3 108.44 86.12 437.06 44.08 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-15290) 05/14/26 _x86_64_ (4 CPU) 20:53:21 LINUX RESTART (4 CPU) 21:00:09 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 43.71 0.00 2.49 0.11 0.09 53.60 21:10:01 0 43.21 0.00 2.50 0.16 0.09 54.05 21:10:01 1 43.29 0.00 2.58 0.05 0.09 53.98 21:10:01 2 44.30 0.00 2.45 0.08 0.09 53.09 21:10:01 3 44.04 0.00 2.42 0.16 0.09 53.30 21:20:08 all 57.65 0.00 3.48 0.24 0.11 38.51 21:20:08 0 56.39 0.00 3.44 0.12 0.11 39.93 21:20:08 1 55.63 0.00 3.70 0.46 0.11 40.10 21:20:08 2 59.88 0.00 3.54 0.26 0.12 36.20 21:20:08 3 58.71 0.00 3.25 0.11 0.11 37.81 Average: all 50.76 0.00 2.99 0.18 0.10 45.97 Average: 0 49.88 0.00 2.98 0.14 0.10 46.90 Average: 1 49.54 0.00 3.15 0.26 0.10 46.95 Average: 2 52.18 0.00 3.00 0.17 0.10 44.54 Average: 3 51.45 0.00 2.84 0.13 0.10 45.47