---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2828 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 11G 145G 7% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 701 26473 4 4917 30922 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:17:49:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83100sec preferred_lft 83100sec inet6 fe80::f816:3eff:fe17:49bd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:b9:76:ef:9e:4e 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-8c-8g-2828) 09/07/26 _x86_64_ (8 CPU) 06:52:00 LINUX RESTART (8 CPU) 07:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:01 15.35 0.01 1.30 14.04 0.19 15.57 522020.72 07:20:39 1.24 0.00 1.23 0.01 0.01 14.74 0.06 07:30:22 1.24 0.00 1.23 0.01 0.00 14.49 0.05 07:40:01 41.07 3.59 36.51 0.98 228.18 5092.41 2890.24 Average: 14.38 0.87 9.80 3.71 55.35 1245.55 129604.57 07:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:01 30188416 31874760 511252 1.56 59824 1965296 1539496 4.54 208376 2178076 12 07:20:39 30186692 31873640 512132 1.56 60268 1965436 1539496 4.54 208824 2179536 4 07:30:22 30186188 31873552 512240 1.56 60668 1965452 1539496 4.54 209228 2180984 68 07:40:01 26802716 29879672 2434092 7.41 150352 3181780 2790056 8.23 500044 5142804 77776 Average: 29341003 31375406 992429 3.02 82778 2269491 1852136 5.46 281618 2920350 19465 07:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:01 lo 0.07 0.07 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 ens3 0.41 0.12 0.08 0.05 0.00 0.00 0.00 0.00 07:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:39 lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 0.00 07:20:39 ens3 0.38 0.12 0.08 0.04 0.00 0.00 0.00 0.00 07:20:39 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:22 lo 0.07 0.07 0.00 0.00 0.00 0.00 0.00 0.00 07:30:22 ens3 0.22 0.08 0.04 0.02 0.00 0.00 0.00 0.00 07:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 0.42 0.42 0.04 0.04 0.00 0.00 0.00 0.00 07:40:01 ens3 121.69 101.62 773.23 19.77 0.00 0.00 0.00 0.00 07:40:01 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 29.75 24.71 187.46 4.82 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-8c-8g-2828) 09/07/26 _x86_64_ (8 CPU) 06:52:00 LINUX RESTART (8 CPU) 07:00:11 CPU %user %nice %system %iowait %steal %idle 07:10:01 all 0.13 0.00 0.02 0.03 0.00 99.83 07:10:01 0 0.01 0.00 0.01 0.00 0.00 99.98 07:10:01 1 0.01 0.00 0.02 0.00 0.00 99.97 07:10:01 2 0.03 0.00 0.03 0.01 0.00 99.93 07:10:01 3 0.02 0.00 0.01 0.03 0.00 99.93 07:10:01 4 0.03 0.00 0.04 0.17 0.00 99.76 07:10:01 5 0.91 0.00 0.01 0.00 0.00 99.09 07:10:01 6 0.01 0.00 0.01 0.00 0.00 99.99 07:10:01 7 0.00 0.00 0.01 0.00 0.00 99.99 07:20:39 all 0.04 0.00 0.01 0.01 0.00 99.94 07:20:39 0 0.00 0.00 0.00 0.00 0.00 100.00 07:20:39 1 0.02 0.00 0.02 0.00 0.00 99.96 07:20:39 2 0.02 0.00 0.02 0.03 0.00 99.92 07:20:39 3 0.01 0.00 0.02 0.01 0.00 99.96 07:20:39 4 0.02 0.00 0.01 0.00 0.00 99.97 07:20:39 5 0.27 0.00 0.01 0.00 0.00 99.72 07:20:39 6 0.01 0.00 0.01 0.00 0.00 99.97 07:20:39 7 0.00 0.00 0.01 0.00 0.00 99.99 07:30:22 all 0.07 0.00 0.01 0.01 0.00 99.91 07:30:22 0 0.01 0.00 0.01 0.00 0.00 99.98 07:30:22 1 0.02 0.00 0.02 0.00 0.00 99.96 07:30:22 2 0.01 0.00 0.01 0.01 0.00 99.97 07:30:22 3 0.01 0.00 0.02 0.03 0.00 99.95 07:30:22 4 0.01 0.00 0.01 0.00 0.00 99.98 07:30:22 5 0.47 0.00 0.02 0.00 0.00 99.51 07:30:22 6 0.01 0.00 0.01 0.01 0.00 99.97 07:30:22 7 0.00 0.00 0.01 0.00 0.00 99.99 07:40:01 all 12.84 0.00 0.64 0.18 0.01 86.34 07:40:01 0 9.10 0.00 0.57 0.43 0.01 89.88 07:40:01 1 12.03 0.00 0.53 0.08 0.01 87.34 07:40:01 2 13.87 0.00 0.73 0.09 0.01 85.30 07:40:01 3 12.78 0.00 0.74 0.15 0.01 86.32 07:40:01 4 15.45 0.00 0.63 0.03 0.01 83.89 07:40:01 5 13.23 0.00 0.61 0.06 0.01 86.10 07:40:01 6 12.36 0.00 0.63 0.08 0.01 86.92 07:40:01 7 13.91 0.00 0.65 0.49 0.01 84.94 Average: all 3.17 0.00 0.16 0.05 0.00 96.61 Average: 0 2.21 0.00 0.14 0.10 0.00 97.54 Average: 1 2.93 0.00 0.14 0.02 0.00 96.91 Average: 2 3.37 0.00 0.19 0.03 0.00 96.39 Average: 3 3.11 0.00 0.19 0.05 0.00 96.65 Average: 4 3.76 0.00 0.17 0.05 0.00 96.02 Average: 5 3.61 0.00 0.16 0.01 0.00 96.21 Average: 6 3.00 0.00 0.16 0.02 0.00 96.82 Average: 7 3.37 0.00 0.16 0.12 0.00 96.35