---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25665 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 761 9190 4 6037 14885 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:a4:13:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83965sec preferred_lft 83965sec inet6 fe80::f816:3eff:fea4:1394/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:06:c5:62:4e:8b 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-25665) 06/07/26 _x86_64_ (4 CPU) 20:24:12 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:00 17.89 1.73 15.08 1.09 119.91 4044.26 5386.42 20:50:01 59.71 0.31 47.87 11.54 9.39 3971.63 32085.98 21:00:03 31.98 0.29 26.38 5.31 11.69 4882.29 13304.15 Average: 36.53 0.78 29.78 5.98 46.97 4299.72 16924.35 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:00 9413788 13584396 2369772 14.47 176472 4055984 2606596 14.96 825560 5684872 282508 20:50:01 8687552 13334924 2614020 15.97 208136 4462784 2763064 15.86 960064 6216348 23604 21:00:03 9547208 15361748 582616 3.56 242652 5531508 1109004 6.37 1342136 4898032 176 Average: 9216183 14093689 1855469 11.33 209087 4683425 2159555 12.40 1042587 5599751 102096 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:00 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 20:40:00 ens3 65.93 51.06 110.92 16.73 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 5703.43 5703.43 5438.97 5438.97 0.00 0.00 0.00 0.00 20:50:01 ens3 98.72 73.61 267.55 22.46 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:03 lo 2526.07 2526.07 2398.58 2398.58 0.00 0.00 0.00 0.00 21:00:03 ens3 91.63 79.75 107.92 113.80 0.00 0.00 0.00 0.00 21:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2743.69 2743.69 2612.62 2612.62 0.00 0.00 0.00 0.00 Average: ens3 85.43 68.15 162.10 51.03 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-25665) 06/07/26 _x86_64_ (4 CPU) 20:24:12 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:00 all 69.14 0.00 2.36 0.77 0.11 27.62 20:40:00 0 71.20 0.00 2.59 0.97 0.11 25.13 20:40:00 1 69.25 0.00 2.29 0.71 0.11 27.65 20:40:00 2 70.19 0.00 2.31 0.48 0.11 26.91 20:40:00 3 65.92 0.00 2.26 0.93 0.11 30.78 20:50:01 all 61.65 0.00 4.30 0.12 0.10 33.83 20:50:01 0 59.67 0.00 4.16 0.09 0.10 35.97 20:50:01 1 62.81 0.00 4.37 0.11 0.11 32.61 20:50:01 2 61.99 0.00 4.43 0.18 0.10 33.29 20:50:01 3 62.12 0.00 4.22 0.12 0.10 33.44 21:00:03 all 48.52 0.00 2.70 0.15 0.09 48.54 21:00:03 0 48.79 0.00 2.80 0.04 0.09 48.28 21:00:03 1 49.47 0.00 2.66 0.08 0.09 47.70 21:00:03 2 47.70 0.00 2.46 0.08 0.09 49.67 21:00:03 3 48.13 0.00 2.89 0.40 0.09 48.49 Average: all 59.77 0.00 3.12 0.35 0.10 36.66 Average: 0 59.88 0.00 3.19 0.37 0.10 36.46 Average: 1 60.51 0.00 3.10 0.30 0.10 35.99 Average: 2 59.96 0.00 3.07 0.25 0.10 36.63 Average: 3 58.73 0.00 3.12 0.49 0.10 37.57