---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6106 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 10G 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 632 10966 4 4390 15013 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:ff:08:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81105sec preferred_lft 81105sec inet6 fe80::f816:3eff:feff:88f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:3f:71:dc:5d:9e 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-6106) 09/08/26 _x86_64_ (4 CPU) 17:41:06 LINUX RESTART (4 CPU) 17:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:00:04 1.49 0.00 1.47 0.01 0.04 18.16 0.49 18:10:01 1.43 0.00 1.43 0.01 0.00 17.04 0.07 18:20:01 1.50 0.00 1.49 0.01 0.01 17.21 0.07 18:30:07 1.43 0.00 1.42 0.01 0.00 17.12 0.05 18:40:00 1.48 0.00 1.47 0.01 0.00 17.48 6.98 18:50:01 14.32 0.00 1.57 12.75 0.15 18.34 242147.27 19:00:07 40.98 4.09 35.76 1.13 255.45 4961.66 1698.75 Average: 9.00 0.59 6.42 1.99 36.87 730.71 34825.01 17:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:00:04 13638940 15549568 466752 2.85 56172 2081052 1175132 6.75 257612 2243780 192 18:10:01 13638688 15550068 466288 2.85 56772 2081192 1175132 6.75 258220 2244104 204 18:20:01 13636676 15548684 467592 2.86 57376 2081200 1175132 6.75 258828 2245544 212 18:30:07 13633164 15545960 470388 2.87 58008 2081340 1175260 6.75 259460 2252268 200 18:40:00 13631680 15545084 471192 2.88 58592 2081348 1175260 6.75 260044 2252328 4 18:50:01 13624624 15543844 472368 2.89 59448 2086280 1175328 6.75 265696 2252512 204 19:00:07 10634276 14025116 1934680 11.82 130804 3392060 2585896 14.84 606068 4760592 26608 Average: 13205435 15329761 678466 4.14 68167 2269210 1376734 7.90 309418 2607304 3946 17:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:00:04 lo 0.07 0.07 0.00 0.00 0.00 0.00 0.00 0.00 18:00:04 ens3 0.35 0.12 0.07 0.04 0.00 0.00 0.00 0.00 18:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 lo 0.07 0.07 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 ens3 0.31 0.07 0.04 0.02 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 lo 0.07 0.07 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 ens3 0.39 0.12 0.08 0.05 0.00 0.00 0.00 0.00 18:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:07 lo 0.05 0.05 0.00 0.00 0.00 0.00 0.00 0.00 18:30:07 ens3 0.42 0.23 0.08 0.56 0.00 0.00 0.00 0.00 18:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:00 lo 0.07 0.07 0.00 0.00 0.00 0.00 0.00 0.00 18:40:00 ens3 0.23 0.08 0.04 0.02 0.00 0.00 0.00 0.00 18:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 0.05 0.05 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 ens3 0.23 0.08 0.04 0.02 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:07 lo 0.85 0.85 0.08 0.08 0.00 0.00 0.00 0.00 19:00:07 ens3 132.98 101.17 914.21 20.80 0.00 0.00 0.00 0.00 19:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.18 0.18 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 19.46 14.69 131.92 3.10 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-6106) 09/08/26 _x86_64_ (4 CPU) 17:41:06 LINUX RESTART (4 CPU) 17:50:01 CPU %user %nice %system %iowait %steal %idle 18:00:04 all 0.13 0.00 0.03 0.01 0.00 99.82 18:00:04 0 0.03 0.00 0.03 0.01 0.00 99.93 18:00:04 1 0.02 0.00 0.02 0.03 0.00 99.93 18:00:04 2 0.44 0.00 0.04 0.01 0.01 99.50 18:00:04 3 0.04 0.00 0.02 0.00 0.00 99.93 18:10:01 all 0.18 0.00 0.03 0.01 0.00 99.77 18:10:01 0 0.02 0.00 0.02 0.00 0.00 99.96 18:10:01 1 0.02 0.00 0.02 0.03 0.00 99.93 18:10:01 2 0.63 0.00 0.04 0.01 0.00 99.32 18:10:01 3 0.07 0.00 0.04 0.01 0.01 99.88 18:20:01 all 0.09 0.00 0.03 0.01 0.01 99.86 18:20:01 0 0.02 0.00 0.02 0.00 0.01 99.95 18:20:01 1 0.03 0.00 0.03 0.03 0.01 99.91 18:20:01 2 0.04 0.00 0.04 0.01 0.01 99.90 18:20:01 3 0.29 0.00 0.02 0.00 0.00 99.69 18:30:07 all 0.27 0.00 0.03 0.01 0.00 99.69 18:30:07 0 0.09 0.00 0.02 0.00 0.00 99.88 18:30:07 1 0.04 0.00 0.04 0.00 0.00 99.92 18:30:07 2 0.02 0.00 0.02 0.04 0.00 99.91 18:30:07 3 0.92 0.00 0.04 0.00 0.00 99.04 18:40:00 all 0.10 0.00 0.03 0.01 0.00 99.86 18:40:00 0 0.05 0.00 0.06 0.00 0.01 99.88 18:40:00 1 0.01 0.00 0.02 0.00 0.00 99.96 18:40:00 2 0.02 0.00 0.02 0.03 0.00 99.92 18:40:00 3 0.30 0.00 0.01 0.00 0.00 99.68 18:50:01 all 0.10 0.00 0.03 0.03 0.00 99.83 18:50:01 0 0.04 0.00 0.03 0.01 0.01 99.92 18:50:01 1 0.02 0.00 0.03 0.03 0.01 99.91 18:50:01 2 0.03 0.00 0.05 0.09 0.00 99.83 18:50:01 3 0.30 0.00 0.02 0.00 0.00 99.68 19:00:07 all 40.10 0.00 1.68 0.27 0.02 57.92 19:00:07 0 35.90 0.00 1.31 0.11 0.02 62.66 19:00:07 1 41.09 0.00 1.82 0.23 0.02 56.83 19:00:07 2 43.46 0.00 2.08 0.64 0.02 53.79 19:00:07 3 39.95 0.00 1.53 0.09 0.02 58.40 Average: all 5.91 0.00 0.27 0.05 0.01 93.77 Average: 0 5.22 0.00 0.22 0.02 0.01 94.54 Average: 1 5.95 0.00 0.28 0.05 0.01 93.71 Average: 2 6.43 0.00 0.33 0.12 0.01 93.11 Average: 3 6.03 0.00 0.24 0.02 0.01 93.70