---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9990 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 766 9473 4 5748 14880 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:11:63:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83910sec preferred_lft 83910sec inet6 fe80::f816:3eff:fe11:6384/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:ae:27:f9:fa:21 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-9990) 04/30/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:00 22.95 0.46 20.13 2.37 14.35 4739.62 3133.18 20:50:08 54.59 0.00 43.70 10.88 0.00 2719.73 9597.00 21:00:08 23.96 0.30 19.95 3.71 11.74 4539.07 6911.23 Average: 33.99 0.25 28.04 5.69 8.63 3989.68 6577.94 20:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:00 9372408 13511420 2442108 14.92 182648 4014092 2984244 17.13 747360 5801720 81044 20:50:08 8827516 13248204 2701588 16.50 209612 4235476 2942084 16.89 841816 6210936 23968 21:00:08 9846488 15367896 578336 3.53 242220 5248124 1092892 6.27 1205388 4751272 12 Average: 9348804 14042507 1907344 11.65 211493 4499231 2339740 13.43 931521 5587976 35008 20:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:00 lo 905.88 905.88 862.73 862.73 0.00 0.00 0.00 0.00 20:40:00 ens3 97.13 72.89 327.29 20.85 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 20:50:08 lo 5578.29 5578.29 5319.74 5319.74 0.00 0.00 0.00 0.00 20:50:08 ens3 77.47 58.74 27.24 20.60 0.00 0.00 0.00 0.00 20:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:08 lo 1633.17 1633.17 1550.86 1550.86 0.00 0.00 0.00 0.00 21:00:08 ens3 80.35 68.35 128.70 89.83 0.00 0.00 0.00 0.00 21:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2728.39 2728.39 2599.35 2599.35 0.00 0.00 0.00 0.00 Average: ens3 84.89 66.60 159.65 43.75 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-9990) 04/30/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:08 CPU %user %nice %system %iowait %steal %idle 20:40:00 all 68.10 0.00 2.64 0.05 0.09 29.11 20:40:00 0 66.44 0.00 2.53 0.10 0.09 30.83 20:40:00 1 68.13 0.00 2.43 0.03 0.10 29.31 20:40:00 2 69.59 0.00 2.85 0.03 0.10 27.44 20:40:00 3 68.24 0.00 2.76 0.04 0.09 28.86 20:50:08 all 62.42 0.00 4.22 0.09 0.08 33.19 20:50:08 0 61.48 0.00 4.13 0.08 0.09 34.22 20:50:08 1 63.53 0.00 4.38 0.12 0.08 31.89 20:50:08 2 62.77 0.00 4.11 0.10 0.08 32.95 20:50:08 3 61.89 0.00 4.26 0.08 0.08 33.69 21:00:08 all 35.72 0.00 1.95 0.10 0.06 62.18 21:00:08 0 35.56 0.00 1.94 0.07 0.06 62.36 21:00:08 1 36.98 0.00 2.11 0.18 0.06 60.67 21:00:08 2 34.25 0.00 1.79 0.06 0.06 63.84 21:00:08 3 36.09 0.00 1.94 0.08 0.06 61.83 Average: all 55.38 0.00 2.94 0.08 0.08 41.51 Average: 0 54.47 0.00 2.88 0.08 0.08 42.49 Average: 1 56.18 0.00 2.98 0.11 0.08 40.64 Average: 2 55.50 0.00 2.92 0.06 0.08 41.44 Average: 3 55.38 0.00 2.99 0.06 0.08 41.48