---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6030 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 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 633 10794 4 4560 15013 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:a5:16:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.203/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84180sec preferred_lft 84180sec inet6 fe80::f816:3eff:fea5:164b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:72:10:a6:a8:df 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-6030) 03/19/26 _x86_64_ (4 CPU) 10:55:43 LINUX RESTART (4 CPU) 11:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:17 1.74 0.04 1.68 0.01 2.22 21.10 218.00 11:20:23 1.52 0.01 1.52 0.00 0.05 17.80 0.00 11:30:23 49.34 4.81 42.50 2.03 278.25 5508.47 4130.43 Average: 17.49 1.61 15.20 0.68 93.28 1844.64 1445.69 11:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:17 13784260 15527304 491904 3.00 54832 1915180 1128396 6.48 197760 2154364 56 11:20:23 13782784 15526484 492672 3.01 55464 1915208 1128396 6.48 198416 2155304 176 11:30:23 9851412 13705692 2254424 13.77 125336 3864608 2377760 13.65 654176 5476380 594248 Average: 12472819 14919827 1079667 6.59 78544 2564999 1544851 8.87 350117 3262016 198160 11:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:17 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 11:10:17 ens3 1.00 0.19 0.18 0.08 0.00 0.00 0.00 0.00 11:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:23 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:20:23 ens3 0.25 0.09 0.04 0.02 0.00 0.00 0.00 0.00 11:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:23 lo 382.69 382.69 359.95 359.95 0.00 0.00 0.00 0.00 11:30:23 ens3 138.58 105.92 1211.22 22.32 0.00 0.00 0.00 0.00 11:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 127.32 127.32 119.70 119.70 0.00 0.00 0.00 0.00 Average: ens3 46.49 35.31 402.83 7.46 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-6030) 03/19/26 _x86_64_ (4 CPU) 10:55:43 LINUX RESTART (4 CPU) 11:00:19 CPU %user %nice %system %iowait %steal %idle 11:10:17 all 0.14 0.00 0.03 0.13 0.01 99.68 11:10:17 0 0.03 0.00 0.02 0.10 0.01 99.85 11:10:17 1 0.05 0.00 0.03 0.39 0.01 99.52 11:10:17 2 0.45 0.00 0.03 0.01 0.01 99.50 11:10:17 3 0.05 0.00 0.06 0.02 0.01 99.86 11:20:23 all 0.12 0.00 0.03 0.09 0.01 99.76 11:20:23 0 0.02 0.00 0.02 0.01 0.00 99.95 11:20:23 1 0.03 0.00 0.03 0.07 0.01 99.85 11:20:23 2 0.39 0.00 0.04 0.01 0.02 99.54 11:20:23 3 0.03 0.00 0.02 0.25 0.01 99.69 11:30:23 all 48.26 0.00 1.97 0.79 0.10 48.87 11:30:23 0 45.36 0.00 1.94 0.26 0.10 52.34 11:30:23 1 47.85 0.00 1.98 0.53 0.09 49.54 11:30:23 2 50.44 0.00 2.14 1.98 0.10 45.35 11:30:23 3 49.41 0.00 1.83 0.41 0.10 48.25 Average: all 16.10 0.00 0.68 0.34 0.04 82.85 Average: 0 15.06 0.00 0.66 0.12 0.04 84.12 Average: 1 15.91 0.00 0.68 0.33 0.04 83.04 Average: 2 17.02 0.00 0.73 0.67 0.04 81.54 Average: 3 16.42 0.00 0.63 0.23 0.04 82.68