---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22302 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 13G 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 647 8668 4 6673 14999 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:1d:8d:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84207sec preferred_lft 84207sec inet6 fe80::f816:3eff:fe1d:8d38/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:e6:ef:9a:22:37 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-22302) 03/24/26 _x86_64_ (4 CPU) 14:36:37 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:01 33.70 3.20 27.27 3.23 370.08 4927.93 5732.31 15:00:24 27.65 0.02 24.86 2.78 0.23 2337.83 8698.89 15:10:01 18.95 0.33 16.64 1.99 12.20 9399.97 4493.92 Average: 26.88 1.18 23.02 2.68 127.21 5463.39 6363.59 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:01 9925944 13521976 2436420 14.88 142132 3577868 2846916 16.34 737268 5318080 31804 15:00:24 8972872 12987652 2967224 18.12 166556 3939668 3060124 17.57 856732 6129188 18336 15:10:01 8909716 15382988 563732 3.44 185924 6296168 1107264 6.36 1700480 5228956 732 Average: 9269511 13964205 1989125 12.15 164871 4604568 2338101 13.42 1098160 5558741 16957 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:01 lo 1455.43 1455.43 1380.65 1380.65 0.00 0.00 0.00 0.00 14:50:01 ens3 131.49 101.17 1008.92 21.60 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:24 lo 1228.13 1228.13 1169.55 1169.55 0.00 0.00 0.00 0.00 15:00:24 ens3 36.02 28.73 43.46 10.37 0.00 0.00 0.00 0.00 15:00:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 575.96 575.96 7423.73 7423.73 0.00 0.00 0.00 0.00 15:10:01 ens3 56.14 52.89 145.61 375.63 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1094.82 1094.82 3244.08 3244.08 0.00 0.00 0.00 0.00 Average: ens3 74.25 60.59 397.66 131.16 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-22302) 03/24/26 _x86_64_ (4 CPU) 14:36:37 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:01 all 65.23 0.00 2.61 0.08 0.12 31.96 14:50:01 0 62.90 0.00 2.45 0.07 0.12 34.46 14:50:01 1 66.55 0.00 2.48 0.08 0.12 30.77 14:50:01 2 65.95 0.00 2.71 0.08 0.12 31.15 14:50:01 3 65.54 0.00 2.78 0.08 0.12 31.48 15:00:24 all 63.91 0.00 2.41 0.07 0.13 33.49 15:00:24 0 63.81 0.00 2.56 0.06 0.12 33.44 15:00:24 1 63.30 0.00 2.30 0.05 0.12 34.23 15:00:24 2 64.48 0.00 2.27 0.07 0.13 33.06 15:00:24 3 64.05 0.00 2.50 0.09 0.12 33.23 15:10:01 all 40.09 0.00 1.53 0.13 0.09 58.16 15:10:01 0 45.31 0.00 1.55 0.12 0.11 52.91 15:10:01 1 38.69 0.00 1.87 0.31 0.09 59.05 15:10:01 2 42.33 0.00 1.60 0.02 0.09 55.96 15:10:01 3 34.02 0.00 1.12 0.08 0.08 64.70 Average: all 56.71 0.00 2.19 0.09 0.11 40.90 Average: 0 57.57 0.00 2.20 0.08 0.12 40.03 Average: 1 56.49 0.00 2.22 0.14 0.11 41.03 Average: 2 57.87 0.00 2.20 0.06 0.11 39.77 Average: 3 54.90 0.00 2.15 0.09 0.11 42.75