---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-2597 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 13% / 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 572 12755 4 2661 15086 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:74:7a:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.159/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 81934sec preferred_lft 81934sec inet6 fe80::f816:3eff:fe74:7a44/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:0d:e7:83:41:e7 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 5.15.0-198-generic (prd-ubuntu2204-docker-v1-8c-8g-2597) 11/11/26 _x86_64_ (4 CPU) 12:35:03 LINUX RESTART (4 CPU) 12:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 1.31 0.02 1.29 0.00 0.54 14.71 0.13 13:00:04 1.39 0.19 1.18 0.01 1.55 13.67 241.74 13:10:04 1.17 0.00 1.17 0.00 0.00 13.21 0.01 13:20:01 1.23 0.00 1.22 0.00 0.05 13.88 0.00 13:30:04 1.41 0.16 1.25 0.00 4.61 14.67 0.00 13:40:04 1.19 0.00 1.19 0.00 0.00 13.97 0.00 Average: 1.28 0.06 1.22 0.00 1.13 14.02 40.58 12:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 13722516 15496348 523056 3.19 54208 1948392 1180516 6.78 186560 2215192 208 13:00:04 13720100 15494920 524400 3.20 55072 1948404 1179792 6.77 187452 2215588 160 13:10:04 13719608 15494904 524460 3.20 55524 1948416 1179988 6.77 187904 2216132 156 13:20:01 13719608 15495472 523792 3.20 55928 1948568 1180052 6.77 188300 2216508 204 13:30:04 13714860 15493016 525664 3.21 56348 1949968 1183272 6.79 190092 2223776 180 13:40:04 13707608 15486364 532260 3.25 56764 1950108 1183388 6.79 190508 2231868 192 Average: 13717383 15493504 525605 3.21 55641 1948976 1181168 6.78 188469 2219844 183 12:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:50:01 ens3 0.39 0.64 0.17 0.48 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:00:04 ens3 0.25 0.20 0.10 0.25 0.00 0.00 0.00 0.00 13:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:10:04 ens3 0.32 0.20 0.12 0.24 0.00 0.00 0.00 0.00 13:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:20:01 ens3 0.23 0.17 0.09 0.20 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:30:04 ens3 1.21 0.93 0.77 0.76 0.00 0.00 0.00 0.00 13:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:40:04 ens3 0.95 1.13 0.23 1.95 0.00 0.00 0.00 0.00 13:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 0.56 0.54 0.25 0.65 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 5.15.0-198-generic (prd-ubuntu2204-docker-v1-8c-8g-2597) 11/11/26 _x86_64_ (4 CPU) 12:35:03 LINUX RESTART (4 CPU) 12:40:04 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 0.04 0.00 0.03 0.01 0.00 99.92 12:50:01 0 0.04 0.00 0.04 0.00 0.00 99.91 12:50:01 1 0.04 0.00 0.01 0.01 0.00 99.94 12:50:01 2 0.02 0.00 0.03 0.03 0.00 99.92 12:50:01 3 0.04 0.00 0.04 0.01 0.00 99.91 13:00:04 all 0.24 0.00 0.03 0.01 0.00 99.72 13:00:04 0 0.04 0.00 0.04 0.01 0.00 99.91 13:00:04 1 0.85 0.00 0.02 0.00 0.00 99.13 13:00:04 2 0.02 0.00 0.02 0.00 0.00 99.96 13:00:04 3 0.05 0.00 0.04 0.02 0.00 99.88 13:10:04 all 0.10 0.00 0.03 0.01 0.00 99.86 13:10:04 0 0.10 0.00 0.02 0.00 0.00 99.87 13:10:04 1 0.22 0.00 0.04 0.00 0.00 99.73 13:10:04 2 0.03 0.00 0.04 0.00 0.00 99.93 13:10:04 3 0.04 0.00 0.02 0.03 0.00 99.91 13:20:01 all 0.16 0.00 0.03 0.01 0.00 99.79 13:20:01 0 0.51 0.00 0.03 0.00 0.00 99.46 13:20:01 1 0.03 0.00 0.03 0.01 0.00 99.93 13:20:01 2 0.03 0.00 0.03 0.00 0.00 99.94 13:20:01 3 0.09 0.00 0.04 0.03 0.00 99.84 13:30:04 all 0.30 0.00 0.04 0.01 0.00 99.65 13:30:04 0 0.96 0.00 0.03 0.00 0.00 99.01 13:30:04 1 0.06 0.00 0.05 0.00 0.00 99.87 13:30:04 2 0.07 0.00 0.02 0.00 0.00 99.90 13:30:04 3 0.10 0.00 0.04 0.03 0.00 99.82 13:40:04 all 0.05 0.00 0.03 0.01 0.00 99.91 13:40:04 0 0.04 0.00 0.03 0.02 0.00 99.91 13:40:04 1 0.04 0.00 0.02 0.01 0.00 99.94 13:40:04 2 0.08 0.00 0.02 0.01 0.01 99.89 13:40:04 3 0.05 0.00 0.05 0.00 0.00 99.90 Average: all 0.15 0.00 0.03 0.01 0.00 99.81 Average: 0 0.28 0.00 0.03 0.01 0.00 99.68 Average: 1 0.21 0.00 0.03 0.00 0.00 99.76 Average: 2 0.04 0.00 0.03 0.01 0.00 99.92 Average: 3 0.06 0.00 0.04 0.02 0.00 99.88