---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52762 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 12G 66G 16% / 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 638 8801 4 6549 15007 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:55:02:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84139sec preferred_lft 84139sec inet6 fe80::f816:3eff:fe55:216/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:ef:04:82:69:8c 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-52762) 03/25/26 _x86_64_ (4 CPU) 13:46:38 LINUX RESTART (4 CPU) 13:50:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:01 29.03 3.11 23.07 2.85 169.23 3970.90 4640.81 14:10:24 26.17 0.02 23.46 2.69 0.23 2207.77 9016.68 14:20:03 21.52 0.04 19.22 2.26 0.86 9294.29 7502.71 Average: 25.59 1.03 21.95 2.60 55.27 5083.89 7104.55 13:50:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:01 9756852 13168304 2790972 17.05 138824 3402520 2841252 16.31 655148 5582468 16664 14:10:24 8816660 12776432 3179108 19.42 163160 3886616 3126284 17.94 791144 6344656 137208 14:20:03 9086980 15423808 524248 3.20 184020 6163324 1029992 5.91 1637192 5116748 44448 Average: 9220164 13789515 2164776 13.22 162001 4484153 2332509 13.39 1027828 5681291 66107 13:50:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:01 lo 1488.77 1488.77 1412.40 1412.40 0.00 0.00 0.00 0.00 14:00:01 ens3 123.85 96.72 991.89 21.48 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:24 lo 1164.14 1164.14 1108.49 1108.49 0.00 0.00 0.00 0.00 14:10:24 ens3 37.37 30.18 45.42 10.82 0.00 0.00 0.00 0.00 14:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:03 lo 648.70 648.70 7480.35 7480.35 0.00 0.00 0.00 0.00 14:20:03 ens3 51.37 40.68 146.72 18.13 0.00 0.00 0.00 0.00 14:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1101.90 1101.90 3278.76 3278.76 0.00 0.00 0.00 0.00 Average: ens3 69.98 55.18 385.47 16.66 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-52762) 03/25/26 _x86_64_ (4 CPU) 13:46:38 LINUX RESTART (4 CPU) 13:50:24 CPU %user %nice %system %iowait %steal %idle 14:00:01 all 60.08 0.00 2.44 0.37 0.13 37.00 14:00:01 0 62.32 0.00 2.39 0.22 0.12 34.95 14:00:01 1 57.19 0.00 2.27 0.38 0.12 40.04 14:00:01 2 60.20 0.00 2.36 0.21 0.12 37.12 14:00:01 3 60.60 0.00 2.73 0.66 0.13 35.88 14:10:24 all 66.87 0.00 2.44 0.26 0.14 30.29 14:10:24 0 68.51 0.00 2.30 0.16 0.14 28.91 14:10:24 1 67.44 0.00 2.41 0.27 0.15 29.73 14:10:24 2 65.49 0.00 2.28 0.30 0.15 31.78 14:10:24 3 66.03 0.00 2.76 0.32 0.15 30.74 14:20:03 all 44.70 0.00 1.78 0.37 0.11 53.03 14:20:03 0 44.06 0.00 1.64 0.65 0.11 53.54 14:20:03 1 46.31 0.00 2.03 0.11 0.12 51.42 14:20:03 2 48.86 0.00 1.84 0.51 0.12 48.67 14:20:03 3 39.57 0.00 1.62 0.21 0.11 58.50 Average: all 57.44 0.00 2.22 0.33 0.13 39.88 Average: 0 58.54 0.00 2.11 0.34 0.12 38.89 Average: 1 57.23 0.00 2.24 0.26 0.13 40.14 Average: 2 58.35 0.00 2.16 0.34 0.13 39.02 Average: 3 55.63 0.00 2.38 0.39 0.13 41.47