---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20388 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 745 9484 4 5759 14901 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:a4:e4:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84761sec preferred_lft 84761sec inet6 fe80::f816:3eff:fea4:e41b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:2f:15:c3:67:01 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-20388) 05/26/26 _x86_64_ (4 CPU) 14:06:50 LINUX RESTART (4 CPU) 14:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:00 25.48 0.81 22.29 2.38 230.12 4169.19 6900.16 14:30:00 30.09 0.05 26.95 3.08 1.63 5692.15 8979.00 Average: 27.78 0.43 24.62 2.73 115.87 4930.67 7939.58 14:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:00 8994596 13057116 2897904 17.70 157972 3980508 3117060 17.89 781244 6161960 172696 14:30:00 8026524 13247336 2701724 16.50 189560 5045168 2881552 16.54 1057256 6782292 28768 Average: 8510560 13152226 2799814 17.10 173766 4512838 2999306 17.22 919250 6472126 100732 14:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:00 lo 1115.57 1115.57 1063.04 1063.04 0.00 0.00 0.00 0.00 14:20:00 ens3 60.42 47.24 384.29 10.38 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:00 lo 1118.01 1118.01 1065.06 1065.06 0.00 0.00 0.00 0.00 14:30:00 ens3 39.98 34.29 208.09 8.25 0.00 0.00 0.00 0.00 14:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1116.79 1116.79 1064.05 1064.05 0.00 0.00 0.00 0.00 Average: ens3 50.20 40.77 296.19 9.32 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-20388) 05/26/26 _x86_64_ (4 CPU) 14:06:50 LINUX RESTART (4 CPU) 14:10:00 CPU %user %nice %system %iowait %steal %idle 14:20:00 all 66.02 0.00 2.28 0.06 0.13 31.50 14:20:00 0 68.12 0.00 2.23 0.06 0.13 29.46 14:20:00 1 66.42 0.00 1.98 0.05 0.13 31.43 14:20:00 2 63.05 0.00 2.60 0.05 0.13 34.18 14:20:00 3 66.50 0.00 2.33 0.09 0.12 30.95 14:30:00 all 59.51 0.00 2.27 0.07 0.11 38.05 14:30:00 0 61.31 0.00 2.54 0.05 0.11 35.99 14:30:00 1 56.91 0.00 2.15 0.11 0.11 40.72 14:30:00 2 61.74 0.00 2.21 0.04 0.11 35.89 14:30:00 3 58.07 0.00 2.17 0.07 0.11 39.58 Average: all 62.77 0.00 2.28 0.06 0.12 34.77 Average: 0 64.72 0.00 2.39 0.05 0.12 32.72 Average: 1 61.67 0.00 2.06 0.08 0.12 36.07 Average: 2 62.40 0.00 2.41 0.04 0.12 35.04 Average: 3 62.29 0.00 2.25 0.08 0.11 35.26