---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8004 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: 5600.00 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 66G 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 636 9312 4 6039 15010 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:51:5d:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84667sec preferred_lft 84667sec inet6 fe80::f816:3eff:fe51:5df7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:ab:d9:6f:d8:fb 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-8004) 04/25/26 _x86_64_ (4 CPU) 17:29:19 LINUX RESTART (4 CPU) 17:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:07 27.53 3.89 22.12 1.52 197.37 4612.17 3530.19 17:50:08 6.10 0.18 5.57 0.34 5.33 2601.33 4501.79 Average: 16.80 2.03 13.83 0.93 101.19 3605.13 4016.78 17:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:07 10062952 13262804 2697816 16.48 124220 3224904 2948272 16.92 606004 5338432 19676 17:50:08 9059660 13006604 2950000 18.02 135928 3924356 3192976 18.33 888600 6029004 2740 Average: 9561306 13134704 2823908 17.25 130074 3574630 3070624 17.63 747302 5683718 11208 17:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:07 lo 9.12 9.12 1.37 1.37 0.00 0.00 0.00 0.00 17:40:07 ens3 95.89 78.83 773.04 65.30 0.00 0.00 0.00 0.00 17:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:08 lo 17.61 17.61 7.11 7.11 0.00 0.00 0.00 0.00 17:50:08 ens3 47.73 43.17 49.31 403.77 0.00 0.00 0.00 0.00 17:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 13.37 13.37 4.24 4.24 0.00 0.00 0.00 0.00 Average: ens3 71.77 60.97 410.59 234.81 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-8004) 04/25/26 _x86_64_ (4 CPU) 17:29:19 LINUX RESTART (4 CPU) 17:30:08 CPU %user %nice %system %iowait %steal %idle 17:40:07 all 51.91 0.00 1.69 0.27 0.08 46.05 17:40:07 0 52.73 0.00 1.56 0.11 0.08 45.53 17:40:07 1 53.15 0.00 1.94 0.64 0.08 44.19 17:40:07 2 50.68 0.00 1.43 0.12 0.07 47.70 17:40:07 3 51.10 0.00 1.84 0.20 0.08 46.78 17:50:08 all 41.74 0.00 1.39 0.05 0.08 56.74 17:50:08 0 40.56 0.00 1.24 0.03 0.08 58.10 17:50:08 1 44.35 0.00 1.50 0.05 0.08 54.02 17:50:08 2 40.85 0.00 1.32 0.02 0.08 57.73 17:50:08 3 41.21 0.00 1.49 0.10 0.08 57.12 Average: all 46.82 0.00 1.54 0.16 0.08 51.40 Average: 0 46.64 0.00 1.40 0.07 0.08 51.82 Average: 1 48.74 0.00 1.72 0.34 0.08 49.12 Average: 2 45.76 0.00 1.38 0.07 0.07 52.71 Average: 3 46.15 0.00 1.66 0.15 0.08 51.95