---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10328 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 11G 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 718 9730 4 5539 14927 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:1a:f9:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84465sec preferred_lft 84465sec inet6 fe80::f816:3eff:fe1a:f9bf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:bb:f9:a2:32:68 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-10328) 05/02/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:00 21.55 3.50 16.89 1.17 181.73 5082.92 1205.67 06:50:06 37.15 0.06 33.18 3.91 1.74 3674.51 17431.54 07:00:00 20.29 0.32 17.29 2.69 14.61 5745.66 6169.99 Average: 26.39 1.29 22.50 2.59 65.99 4827.82 8304.67 06:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:00 9573348 13013864 2945612 17.99 140896 3412432 3163156 18.16 621544 5788440 20984 06:50:06 9225028 13356540 2596576 15.86 176864 4009148 2772056 15.91 822048 5866032 24012 07:00:00 10013280 15325664 621516 3.80 203544 5094356 1114324 6.40 916192 4881708 11432 Average: 9603885 13898689 2054568 12.55 173768 4171979 2349845 13.49 786595 5512060 18809 06:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:00 lo 314.08 314.08 298.47 298.47 0.00 0.00 0.00 0.00 06:40:00 ens3 93.92 73.98 858.49 15.42 0.00 0.00 0.00 0.00 06:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:06 lo 1769.37 1769.37 1686.56 1686.56 0.00 0.00 0.00 0.00 06:50:06 ens3 52.99 42.33 185.54 12.78 0.00 0.00 0.00 0.00 06:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:00 lo 117.03 117.03 102.83 102.83 0.00 0.00 0.00 0.00 07:00:00 ens3 92.64 83.58 125.74 233.37 0.00 0.00 0.00 0.00 07:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 738.72 738.72 700.96 700.96 0.00 0.00 0.00 0.00 Average: ens3 79.72 66.50 390.11 86.49 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-10328) 05/02/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:00 CPU %user %nice %system %iowait %steal %idle 06:40:00 all 38.81 0.00 1.32 0.15 0.07 59.65 06:40:00 0 40.73 0.00 1.30 0.15 0.07 57.74 06:40:00 1 37.87 0.00 1.48 0.30 0.07 60.29 06:40:00 2 38.19 0.00 1.28 0.08 0.07 60.39 06:40:00 3 38.45 0.00 1.21 0.08 0.06 60.19 06:50:06 all 65.18 0.00 2.72 0.07 0.09 31.94 06:50:06 0 65.17 0.00 2.67 0.07 0.09 32.00 06:50:06 1 62.55 0.00 2.50 0.07 0.09 34.80 06:50:06 2 66.53 0.00 2.96 0.08 0.09 30.34 06:50:06 3 66.47 0.00 2.77 0.04 0.09 30.63 07:00:00 all 46.80 0.00 1.62 0.09 0.08 51.42 07:00:00 0 42.46 0.00 1.71 0.13 0.07 55.62 07:00:00 1 48.92 0.00 1.85 0.08 0.08 49.07 07:00:00 2 49.99 0.00 1.44 0.03 0.08 48.47 07:00:00 3 45.83 0.00 1.46 0.12 0.08 52.50 Average: all 50.31 0.00 1.89 0.10 0.08 47.62 Average: 0 49.51 0.00 1.90 0.12 0.08 48.40 Average: 1 49.81 0.00 1.94 0.15 0.08 48.02 Average: 2 51.61 0.00 1.90 0.06 0.08 46.35 Average: 3 50.31 0.00 1.82 0.08 0.08 47.72