---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19053 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 12G 67G 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 742 9218 4 6028 14904 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:13:d5:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84566sec preferred_lft 84566sec inet6 fe80::f816:3eff:fe13:d596/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:74:8f:e1:20:be 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-19053) 05/22/26 _x86_64_ (4 CPU) 09:48:18 LINUX RESTART (4 CPU) 09:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:10 31.08 3.75 25.32 2.01 552.50 6383.41 6370.71 10:10:11 32.40 0.04 28.93 3.43 1.30 3246.96 15573.40 Average: 31.74 1.91 27.11 2.72 278.70 4825.39 10942.11 09:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:10 8709976 12769808 3185260 19.45 158320 3985860 3451752 19.81 866972 6366820 27724 10:10:11 8409696 13031520 2919096 17.83 185436 4474828 3234576 18.57 1020616 6459804 19188 Average: 8559836 12900664 3052178 18.64 171878 4230344 3343164 19.19 943794 6413312 23456 09:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:10 lo 579.57 579.57 551.94 551.94 0.00 0.00 0.00 0.00 10:00:10 ens3 120.81 86.08 1099.42 18.31 0.00 0.00 0.00 0.00 10:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:11 lo 1576.23 1576.23 1502.28 1502.28 0.00 0.00 0.00 0.00 10:10:11 ens3 43.46 35.25 140.38 11.81 0.00 0.00 0.00 0.00 10:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1074.65 1074.65 1024.02 1024.02 0.00 0.00 0.00 0.00 Average: ens3 82.39 60.83 623.02 15.08 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-19053) 05/22/26 _x86_64_ (4 CPU) 09:48:18 LINUX RESTART (4 CPU) 09:50:01 CPU %user %nice %system %iowait %steal %idle 10:00:10 all 53.59 0.00 2.09 0.13 0.11 44.08 10:00:10 0 53.17 0.00 1.94 0.11 0.10 44.68 10:00:10 1 50.58 0.00 1.98 0.18 0.11 47.15 10:00:10 2 55.54 0.00 2.30 0.15 0.11 41.91 10:00:10 3 55.05 0.00 2.16 0.10 0.11 42.59 10:10:11 all 57.49 0.00 2.45 0.11 0.12 39.83 10:10:11 0 56.64 0.00 2.48 0.10 0.12 40.65 10:10:11 1 59.40 0.00 2.44 0.16 0.12 37.88 10:10:11 2 56.33 0.00 2.40 0.10 0.12 41.04 10:10:11 3 57.60 0.00 2.46 0.09 0.12 39.73 Average: all 55.52 0.00 2.27 0.12 0.11 41.97 Average: 0 54.89 0.00 2.21 0.10 0.11 42.68 Average: 1 54.96 0.00 2.21 0.17 0.11 42.55 Average: 2 55.93 0.00 2.35 0.13 0.11 41.48 Average: 3 56.31 0.00 2.31 0.09 0.11 41.17