---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-60446 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 12G 67G 15% / 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 619 9665 4 5704 15026 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:51:e4:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.94/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82489sec preferred_lft 82489sec inet6 fe80::f816:3eff:fe51:e456/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:74:5e:0c:ef:bb 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-60446) 09/28/26 _x86_64_ (4 CPU) 11:19:02 LINUX RESTART (4 CPU) 11:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:01 1.44 0.04 1.39 0.01 1.77 26.23 0.60 11:40:01 1.20 0.01 1.19 0.00 0.04 14.29 0.00 11:50:00 13.50 11.92 1.57 0.01 133.21 30.10 0.11 12:00:01 1.40 0.00 1.40 0.00 0.00 16.22 0.00 12:10:00 1.53 0.00 1.53 0.00 0.00 16.98 0.01 12:20:01 24.84 1.34 23.12 0.38 96.88 841.59 321.27 Average: 7.32 2.21 5.04 0.07 38.64 157.94 53.81 11:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:01 13771668 15552388 466184 2.85 53456 1955080 1167564 6.70 186320 2178992 204 11:40:01 13764944 15546176 472328 2.88 53820 1955220 1167628 6.70 186688 2183564 200 11:50:00 13707676 15538744 472000 2.88 56972 1994784 1167628 6.70 224744 2188816 8 12:00:01 13707676 15539496 471216 2.88 57556 1994912 1167628 6.70 225328 2189592 200 12:10:00 13707424 15539796 470764 2.88 58128 1994928 1167628 6.70 225872 2190916 4 12:20:01 13122924 15370676 615368 3.76 86008 2361404 1264264 7.26 294060 2659208 222244 Average: 13630385 15514546 494643 3.02 60990 2042721 1183723 6.79 223835 2265181 37143 11:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 11:30:01 ens3 0.43 0.13 0.09 0.04 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:40:01 ens3 0.33 0.13 0.08 0.05 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:50:00 ens3 0.21 0.08 0.04 0.02 0.00 0.00 0.00 0.00 11:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:00:01 ens3 0.18 0.07 0.03 0.02 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:10:00 ens3 0.23 0.11 0.06 0.04 0.00 0.00 0.00 0.00 12:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 12:20:01 ens3 28.43 22.69 170.81 5.13 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 4.98 3.88 28.60 0.88 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-60446) 09/28/26 _x86_64_ (4 CPU) 11:19:02 LINUX RESTART (4 CPU) 11:20:01 CPU %user %nice %system %iowait %steal %idle 11:30:01 all 0.14 0.00 0.03 0.01 0.00 99.82 11:30:01 0 0.03 0.00 0.02 0.00 0.00 99.95 11:30:01 1 0.05 0.00 0.04 0.04 0.00 99.87 11:30:01 2 0.02 0.00 0.03 0.00 0.00 99.95 11:30:01 3 0.47 0.00 0.03 0.00 0.00 99.49 11:40:01 all 0.14 0.00 0.03 0.01 0.00 99.82 11:40:01 0 0.07 0.00 0.03 0.00 0.00 99.90 11:40:01 1 0.03 0.00 0.02 0.02 0.00 99.93 11:40:01 2 0.14 0.00 0.03 0.00 0.01 99.82 11:40:01 3 0.31 0.00 0.04 0.00 0.00 99.64 11:50:00 all 0.11 0.07 0.04 0.07 0.00 99.70 11:50:00 0 0.02 0.00 0.02 0.00 0.00 99.95 11:50:00 1 0.04 0.01 0.04 0.00 0.00 99.91 11:50:00 2 0.03 0.06 0.04 0.11 0.00 99.77 11:50:00 3 0.36 0.22 0.08 0.17 0.00 99.17 12:00:01 all 0.08 0.00 0.03 0.03 0.00 99.85 12:00:01 0 0.01 0.00 0.01 0.01 0.00 99.96 12:00:01 1 0.03 0.00 0.03 0.01 0.00 99.93 12:00:01 2 0.03 0.00 0.04 0.08 0.00 99.84 12:00:01 3 0.26 0.00 0.03 0.03 0.00 99.68 12:10:00 all 0.15 0.00 0.02 0.02 0.00 99.80 12:10:00 0 0.04 0.00 0.04 0.04 0.01 99.87 12:10:00 1 0.01 0.00 0.01 0.01 0.00 99.97 12:10:00 2 0.01 0.00 0.03 0.02 0.00 99.94 12:10:00 3 0.54 0.00 0.01 0.00 0.00 99.44 12:20:01 all 2.01 0.00 0.24 0.25 0.00 97.50 12:20:01 0 0.51 0.00 0.14 0.03 0.00 99.31 12:20:01 1 0.74 0.00 0.10 0.01 0.00 99.15 12:20:01 2 2.92 0.00 0.27 0.52 0.01 96.29 12:20:01 3 3.86 0.00 0.44 0.44 0.01 95.25 Average: all 0.44 0.01 0.07 0.06 0.00 99.42 Average: 0 0.11 0.00 0.05 0.01 0.00 99.82 Average: 1 0.15 0.00 0.04 0.01 0.00 99.79 Average: 2 0.53 0.01 0.07 0.12 0.00 99.27 Average: 3 0.97 0.04 0.10 0.11 0.00 98.78