---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-5587 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 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 618 11457 4 3914 15027 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:0e:64:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.200/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84417sec preferred_lft 84417sec inet6 fe80::f816:3eff:fe0e:6450/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:9e:ec:03:96:35 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-5587) 10/27/26 _x86_64_ (4 CPU) 08:19:51 LINUX RESTART (4 CPU) 08:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:00 16.84 8.01 8.37 0.46 1415.02 4975.07 27257.06 08:40:02 1.75 0.19 1.55 0.00 1.56 17.80 0.00 08:50:02 15.19 0.37 1.52 13.30 14.19 35.52 236695.95 Average: 11.25 2.86 3.81 4.58 476.55 1674.84 87923.83 08:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:00 13498892 15484748 529640 3.23 59832 2151616 1168156 6.71 209208 2404900 44 08:40:02 13498724 15485928 528336 3.23 60924 2151756 1168604 6.71 210312 2405008 216 08:50:02 13452776 15455280 558352 3.41 61724 2165724 1178688 6.77 218128 2455232 208 Average: 13483464 15475319 538776 3.29 60827 2156365 1171816 6.73 212549 2421713 156 08:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:00 lo 0.24 0.24 0.02 0.02 0.00 0.00 0.00 0.00 08:30:00 ens3 37.79 18.72 381.98 3.81 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:40:02 ens3 0.29 0.21 0.12 0.24 0.00 0.00 0.00 0.00 08:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:50:02 ens3 6.55 4.47 11.82 2.93 0.00 0.00 0.00 0.00 08:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 14.86 7.80 131.20 2.32 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-5587) 10/27/26 _x86_64_ (4 CPU) 08:19:51 LINUX RESTART (4 CPU) 08:20:00 CPU %user %nice %system %iowait %steal %idle 08:30:00 all 0.95 0.00 0.29 0.23 0.03 98.49 08:30:00 0 0.89 0.00 0.23 0.08 0.02 98.78 08:30:00 1 0.72 0.00 0.23 0.15 0.04 98.86 08:30:00 2 0.88 0.00 0.29 0.33 0.03 98.47 08:30:00 3 1.32 0.00 0.43 0.37 0.03 97.85 08:40:02 all 0.08 0.00 0.04 0.01 0.01 99.86 08:40:02 0 0.09 0.00 0.03 0.02 0.01 99.85 08:40:02 1 0.03 0.00 0.04 0.01 0.01 99.91 08:40:02 2 0.07 0.00 0.02 0.00 0.01 99.90 08:40:02 3 0.12 0.00 0.07 0.03 0.02 99.76 08:50:02 all 0.33 0.00 0.05 0.03 0.01 99.58 08:50:02 0 0.18 0.00 0.05 0.09 0.01 99.67 08:50:02 1 0.18 0.00 0.04 0.02 0.01 99.76 08:50:02 2 0.78 0.00 0.07 0.01 0.02 99.13 08:50:02 3 0.18 0.00 0.05 0.02 0.01 99.75 Average: all 0.45 0.00 0.13 0.09 0.02 99.31 Average: 0 0.39 0.00 0.10 0.06 0.01 99.43 Average: 1 0.31 0.00 0.10 0.06 0.02 99.51 Average: 2 0.58 0.00 0.12 0.11 0.02 99.17 Average: 3 0.54 0.00 0.18 0.14 0.02 99.12