---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6729 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 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 704 9078 4 6206 14942 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:69:6d:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84605sec preferred_lft 84605sec inet6 fe80::f816:3eff:fe69:6d96/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:08:e9:83:d5:fa 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-6729) 03/21/26 _x86_64_ (4 CPU) 21:55:17 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:06 26.15 0.36 22.79 3.00 381.00 2755.43 14953.86 22:20:06 42.74 0.04 26.37 16.33 0.67 4253.30 248161.42 Average: 34.40 0.20 24.57 9.64 191.75 3500.73 130992.76 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:06 9146140 13049844 2905716 17.75 141736 3879904 3014176 17.30 857204 5956176 26080 22:20:06 6819932 11711460 4240196 25.90 157564 4807412 4305316 24.71 1128424 7986868 144 Average: 7983036 12380652 3572956 21.82 149650 4343658 3659746 21.01 992814 6971522 13112 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:06 lo 1246.94 1246.94 1181.57 1181.57 0.00 0.00 0.00 0.00 22:10:06 ens3 53.28 40.89 236.04 13.14 0.00 0.00 0.00 0.00 22:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:06 lo 1257.15 1257.15 1192.63 1192.63 0.00 0.00 0.00 0.00 22:20:06 ens3 51.60 37.09 41.45 13.98 0.00 0.00 0.00 0.00 22:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1252.02 1252.02 1187.07 1187.07 0.00 0.00 0.00 0.00 Average: ens3 52.44 39.00 139.22 13.56 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-6729) 03/21/26 _x86_64_ (4 CPU) 21:55:17 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:06 all 67.16 0.00 2.42 0.08 0.09 30.26 22:10:06 0 67.84 0.00 2.05 0.04 0.09 29.98 22:10:06 1 67.12 0.00 2.32 0.12 0.09 30.36 22:10:06 2 66.78 0.00 2.83 0.08 0.09 30.23 22:10:06 3 66.90 0.00 2.48 0.07 0.09 30.46 22:20:06 all 55.53 0.00 2.21 0.65 0.09 41.53 22:20:06 0 55.25 0.00 2.30 0.38 0.09 41.99 22:20:06 1 55.17 0.00 2.31 1.64 0.09 40.79 22:20:06 2 53.86 0.00 2.06 0.33 0.09 43.65 22:20:06 3 57.84 0.00 2.17 0.23 0.09 39.67 Average: all 61.37 0.00 2.32 0.36 0.09 35.87 Average: 0 61.58 0.00 2.17 0.21 0.09 35.95 Average: 1 61.17 0.00 2.31 0.88 0.09 35.55 Average: 2 60.35 0.00 2.44 0.20 0.09 36.92 Average: 3 62.39 0.00 2.33 0.15 0.09 35.05