---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-968 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 68G 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 676 10487 4 4826 14970 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:15:ee:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84048sec preferred_lft 84048sec inet6 fe80::f816:3eff:fe15:ee0a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:a3:af:5d:12:77 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-968) 07/31/26 _x86_64_ (4 CPU) 22:58:03 LINUX RESTART (4 CPU) 23:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:10:01 3.90 0.04 3.84 0.02 1.61 826.11 0.64 23:20:10 11.31 1.90 8.74 0.67 122.24 2520.27 1329.38 23:30:31 26.75 0.74 22.52 3.50 26.97 3243.95 5982.68 Average: 14.17 0.90 11.85 1.42 50.63 2217.42 2484.83 23:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:10:01 13028864 15500976 473740 2.89 98372 2562792 1003612 5.76 339228 2667616 320 23:20:10 10888452 14170544 1790016 10.93 128744 3281000 2130804 12.23 544928 4570032 22188 23:30:31 8514936 12969960 2981464 18.21 166148 4329988 3491692 20.04 857960 6528828 302568 Average: 10810751 14213827 1748407 10.68 131088 3391260 2208703 12.68 580705 4588825 108359 23:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:10:01 lo 0.09 0.09 0.01 0.01 0.00 0.00 0.00 0.00 23:10:01 ens3 12.79 11.05 187.77 1.22 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:10 lo 0.89 0.89 0.09 0.09 0.00 0.00 0.00 0.00 23:20:10 ens3 83.50 69.05 624.64 15.39 0.00 0.00 0.00 0.00 23:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:31 lo 1578.47 1578.47 1503.75 1503.75 0.00 0.00 0.00 0.00 23:30:31 ens3 91.66 68.45 403.24 18.79 0.00 0.00 0.00 0.00 23:30:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 538.49 538.49 512.72 512.72 0.00 0.00 0.00 0.00 Average: ens3 63.35 50.03 407.43 11.95 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-968) 07/31/26 _x86_64_ (4 CPU) 22:58:03 LINUX RESTART (4 CPU) 23:00:11 CPU %user %nice %system %iowait %steal %idle 23:10:01 all 0.24 0.00 0.07 0.02 0.02 99.65 23:10:01 0 0.05 0.00 0.05 0.00 0.02 99.88 23:10:01 1 0.37 0.00 0.05 0.02 0.02 99.54 23:10:01 2 0.36 0.00 0.12 0.06 0.02 99.44 23:10:01 3 0.19 0.00 0.07 0.00 0.02 99.72 23:20:10 all 45.23 0.00 1.45 0.03 0.07 53.22 23:20:10 0 44.72 0.00 1.31 0.07 0.07 53.83 23:20:10 1 46.37 0.00 1.43 0.01 0.07 52.14 23:20:10 2 44.12 0.00 1.58 0.02 0.06 54.21 23:20:10 3 45.70 0.00 1.48 0.03 0.07 52.72 23:30:31 all 68.01 0.00 2.75 0.05 0.09 29.11 23:30:31 0 66.43 0.00 2.59 0.06 0.09 30.82 23:30:31 1 69.74 0.00 3.07 0.04 0.09 27.06 23:30:31 2 68.56 0.00 2.39 0.03 0.09 28.92 23:30:31 3 67.29 0.00 2.93 0.06 0.09 29.63 Average: all 38.37 0.00 1.44 0.03 0.06 60.10 Average: 0 37.61 0.00 1.34 0.05 0.06 60.94 Average: 1 39.37 0.00 1.54 0.02 0.06 59.01 Average: 2 38.22 0.00 1.38 0.04 0.06 60.30 Average: 3 38.26 0.00 1.51 0.03 0.06 60.13