---> uname -a: Linux prd-centos8-docker-4c-4g-1443.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 766 12177 19 2818 14661 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:c8:51:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.209/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fec8:51c0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:09:40:d2:5a 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) 04/14/2026 _x86_64_ (4 CPU) 13:22:54 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 386.02 130.44 255.58 13669.73 42885.02 01:25:01 PM 276.40 17.16 259.24 3840.08 14462.72 01:26:01 PM 46.31 3.98 42.33 357.41 8122.33 01:27:01 PM 56.77 3.13 53.64 139.58 9023.33 Average: 191.39 38.68 152.71 4502.02 18624.01 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13364444 15113176 2777088 17.20 2688 1965228 1103636 6.42 138640 2289684 179648 01:25:01 PM 11981852 14260768 4159680 25.77 2688 2482476 2081112 12.11 219348 3529840 232296 01:26:01 PM 11259872 13553112 4881660 30.24 2688 2496468 2534616 14.74 255216 4209640 900 01:27:01 PM 12456560 15001228 3684972 22.83 2688 2745424 1158000 6.74 533092 2737532 24928 Average: 12265682 14482071 3875850 24.01 2688 2422399 1719341 10.00 286574 3191674 109443 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 391.22 223.99 1770.64 70.17 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 515.33 365.95 4893.29 85.01 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 24.38 24.38 5.00 5.00 0.00 0.00 0.00 0.00 01:26:01 PM eth0 24.65 17.35 12.13 17.72 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 4.40 4.40 1.06 1.06 0.00 0.00 0.00 0.00 01:27:01 PM eth0 71.79 78.09 282.90 928.76 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 7.19 7.19 1.51 1.51 0.00 0.00 0.00 0.00 Average: eth0 250.77 171.36 1740.00 275.39 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) 04/14/2026 _x86_64_ (4 CPU) 13:22:54 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.32 0.00 4.42 2.25 0.09 66.91 01:24:01 PM 0 23.80 0.00 3.59 3.21 0.10 69.30 01:24:01 PM 1 27.65 0.00 4.39 0.70 0.10 67.16 01:24:01 PM 2 19.56 0.00 3.69 1.02 0.08 75.65 01:24:01 PM 3 34.30 0.00 6.02 4.08 0.08 55.52 01:25:01 PM all 36.04 0.00 2.95 1.53 0.12 59.36 01:25:01 PM 0 30.74 0.00 3.18 1.69 0.13 64.26 01:25:01 PM 1 37.60 0.00 3.63 2.31 0.12 56.33 01:25:01 PM 2 31.72 0.00 2.85 0.97 0.12 64.33 01:25:01 PM 3 44.07 0.00 2.14 1.15 0.12 52.52 01:26:01 PM all 35.45 0.00 0.89 0.31 0.10 63.25 01:26:01 PM 0 44.38 0.00 0.28 0.02 0.08 55.24 01:26:01 PM 1 22.33 0.00 1.41 0.79 0.10 75.38 01:26:01 PM 2 31.24 0.00 1.40 0.42 0.12 66.82 01:26:01 PM 3 43.81 0.00 0.47 0.02 0.08 55.62 01:27:01 PM all 21.58 0.00 1.74 0.31 0.07 76.31 01:27:01 PM 0 27.19 0.00 2.49 0.17 0.07 70.09 01:27:01 PM 1 15.61 0.00 0.84 0.03 0.07 83.46 01:27:01 PM 2 22.47 0.00 1.47 0.08 0.07 75.90 01:27:01 PM 3 21.04 0.00 2.17 0.94 0.08 75.77 Average: all 29.85 0.00 2.50 1.10 0.10 66.46 Average: 0 31.53 0.00 2.39 1.27 0.10 64.72 Average: 1 25.79 0.00 2.56 0.96 0.10 70.59 Average: 2 26.25 0.00 2.35 0.62 0.10 70.68 Average: 3 35.81 0.00 2.70 1.54 0.09 59.86