---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64857 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 618 10584 4 4786 15028 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:5b:70:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84801sec preferred_lft 84801sec inet6 fe80::f816:3eff:fe5b:70b8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:eb:32:4d:8b:2c 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-64857) 03/31/26 _x86_64_ (4 CPU) 13:13:39 LINUX RESTART (4 CPU) 13:20:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:16 3.49 0.06 3.29 0.14 6.76 546.11 35.22 13:40:00 25.22 0.59 22.23 2.39 27.39 6236.58 5915.74 Average: 14.25 0.33 12.67 1.25 16.97 3363.27 2946.46 13:20:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:16 9569456 12582276 3381320 20.65 113704 3060960 3529432 20.26 501268 5946604 152 13:40:00 10864736 15409244 548376 3.35 137636 4509900 1075504 6.17 886372 4211440 26196 Average: 10217096 13995760 1964848 12.00 125670 3785430 2302468 13.22 693820 5079022 13174 13:20:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:16 lo 0.58 0.58 0.38 0.38 0.00 0.00 0.00 0.00 13:30:16 ens3 8.94 6.98 36.30 2.05 0.00 0.00 0.00 0.00 13:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:00 lo 476.09 476.09 453.46 453.46 0.00 0.00 0.00 0.00 13:40:00 ens3 49.75 37.07 499.26 18.66 0.00 0.00 0.00 0.00 13:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 235.99 235.99 224.68 224.68 0.00 0.00 0.00 0.00 Average: ens3 29.15 21.88 265.49 10.27 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-64857) 03/31/26 _x86_64_ (4 CPU) 13:13:39 LINUX RESTART (4 CPU) 13:20:20 CPU %user %nice %system %iowait %steal %idle 13:30:16 all 47.63 0.00 0.63 0.03 0.09 51.61 13:30:16 0 43.78 0.00 0.48 0.01 0.09 55.64 13:30:16 1 44.36 0.00 0.73 0.02 0.10 54.80 13:30:16 2 47.18 0.00 0.61 0.02 0.10 52.09 13:30:16 3 55.22 0.00 0.72 0.06 0.10 43.91 13:40:00 all 56.62 0.00 1.51 0.36 0.11 41.39 13:40:00 0 54.38 0.00 1.24 0.16 0.11 44.11 13:40:00 1 57.29 0.00 1.58 0.36 0.12 40.65 13:40:00 2 56.66 0.00 1.73 0.69 0.11 40.81 13:40:00 3 58.17 0.00 1.51 0.23 0.12 39.98 Average: all 52.08 0.00 1.07 0.19 0.10 46.55 Average: 0 49.03 0.00 0.86 0.08 0.10 49.94 Average: 1 50.75 0.00 1.15 0.19 0.11 47.80 Average: 2 51.87 0.00 1.16 0.35 0.10 46.51 Average: 3 56.68 0.00 1.11 0.14 0.11 41.96