---> uname -a: Linux prd-centos8-docker-4c-4g-1448.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 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 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 753 12250 19 2759 14675 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: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:d4:21:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.175/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86121sec preferred_lft 86121sec inet6 fe80::f816:3eff:fed4:21e9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:22:8f:c7:2f 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/12/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 126.31 15.08 111.23 3206.00 8012.86 01:25:01 PM 242.57 6.26 236.30 1056.45 16208.23 01:26:01 PM 25.60 0.05 25.55 1.07 1422.26 01:27:01 PM 50.59 1.48 49.11 92.38 9562.12 Average: 111.27 5.72 105.55 1088.97 8801.68 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13034468 14970128 3107064 19.25 2688 2145868 1334556 7.76 152192 2582544 192896 01:25:01 PM 11740864 13974084 4400668 27.26 2688 2436640 2410256 14.02 246140 3739996 33264 01:26:01 PM 11922748 14231112 4218784 26.14 2688 2510972 1889496 10.99 284940 3520840 74224 01:27:01 PM 12479920 14962748 3661612 22.68 2688 2683740 1204192 7.01 521192 2726924 8468 Average: 12294500 14534518 3847032 23.83 2688 2444305 1709625 9.95 301116 3142576 77213 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 151.61 109.80 1389.25 22.50 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 7.50 7.50 0.80 0.80 0.00 0.00 0.00 0.00 01:25:01 PM eth0 457.73 312.65 4107.18 77.10 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 21.63 21.63 5.30 5.30 0.00 0.00 0.00 0.00 01:26:01 PM eth0 66.82 50.59 240.80 25.67 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM eth0 47.09 52.71 56.04 921.90 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.28 7.28 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 180.82 131.44 1448.43 261.79 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/12/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 20.54 0.00 1.97 0.90 0.10 76.50 01:24:01 PM 0 21.22 0.00 1.65 0.60 0.10 76.42 01:24:01 PM 1 14.24 0.00 2.07 1.29 0.10 82.30 01:24:01 PM 2 8.47 0.00 1.21 0.97 0.08 89.26 01:24:01 PM 3 38.19 0.00 2.96 0.72 0.10 58.03 01:25:01 PM all 53.56 0.00 2.45 1.87 0.15 41.96 01:25:01 PM 0 55.35 0.00 2.19 1.47 0.12 40.87 01:25:01 PM 1 54.37 0.00 3.22 2.23 0.17 40.01 01:25:01 PM 2 61.97 0.00 1.86 1.19 0.17 34.81 01:25:01 PM 3 42.54 0.00 2.53 2.60 0.15 52.17 01:26:01 PM all 15.24 0.00 0.91 0.71 0.09 83.05 01:26:01 PM 0 16.68 0.00 0.99 0.87 0.10 81.37 01:26:01 PM 1 13.52 0.00 0.99 0.18 0.10 85.21 01:26:01 PM 2 16.03 0.00 0.99 1.44 0.07 81.48 01:26:01 PM 3 14.75 0.00 0.68 0.33 0.08 84.15 01:27:01 PM all 19.77 0.00 1.77 1.32 0.10 77.03 01:27:01 PM 0 21.59 0.00 1.54 1.96 0.10 74.81 01:27:01 PM 1 13.07 0.00 1.57 0.28 0.13 84.94 01:27:01 PM 2 13.38 0.00 1.61 1.31 0.08 83.62 01:27:01 PM 3 31.10 0.00 2.37 1.71 0.10 64.72 Average: all 27.27 0.00 1.78 1.20 0.11 69.65 Average: 0 28.71 0.00 1.59 1.23 0.10 68.36 Average: 1 23.78 0.00 1.96 1.00 0.13 73.14 Average: 2 24.96 0.00 1.42 1.23 0.10 72.29 Average: 3 31.63 0.00 2.14 1.34 0.11 64.78