---> uname -a: Linux prd-centos8-docker-4c-4g-8021.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 818 11822 19 3122 14598 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:4e:35:be brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.17/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86012sec preferred_lft 86012sec inet6 fe80::f816:3eff:fe4e:35be/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:dc:1e:f5:65 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 inet6 fe80::42:dcff:fe1e:f565/64 scope link 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) 05/04/2026 _x86_64_ (4 CPU) 05:50:40 LINUX RESTART (4 CPU) 05:51:01 AM tps rtps wtps bread/s bwrtn/s 05:52:01 AM 268.41 22.91 245.50 4810.53 8826.77 05:53:01 AM 229.08 7.28 221.80 1034.89 15151.72 05:54:01 AM 33.71 0.05 33.66 1.07 7879.94 05:55:01 AM 5.13 1.70 3.43 51.06 299.45 05:56:01 AM 87.10 1.70 85.40 513.16 15856.93 05:57:01 AM 26.71 0.45 26.26 56.39 1039.29 Average: 108.36 5.68 102.68 1077.91 8175.91 05:51:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:52:01 AM 12821252 14842104 3320272 20.57 2688 2230600 1393552 8.11 159536 2786956 289776 05:53:01 AM 10732868 13117376 5408656 33.51 2688 2586360 3655888 21.27 251956 4734612 222392 05:54:01 AM 10090044 12479388 6051480 37.49 2688 2591004 4039952 23.50 263588 5363780 1180 05:55:01 AM 8808716 11208080 7332808 45.43 2688 2600732 4873964 28.35 267476 6637392 2932 05:56:01 AM 7002180 9826212 9139344 56.62 2688 3014712 6531024 37.99 406380 8257676 136 05:57:01 AM 12145684 14985768 3995840 24.76 2688 3030064 1136580 6.61 596304 2942760 24240 Average: 10266791 12743155 5874733 36.40 2688 2675579 3605160 20.97 324207 5120529 90109 05:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 AM eth0 203.18 136.45 2025.80 47.08 0.00 0.00 0.00 0.00 05:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 AM eth0 330.39 269.04 4925.40 38.75 0.00 0.00 0.00 0.00 05:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 AM eth0 19.61 18.63 3.95 28.85 0.00 0.00 0.00 0.00 05:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 AM eth0 20.78 19.85 4.29 18.85 0.00 0.00 0.00 0.00 05:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 AM lo 15.44 15.44 27.17 27.17 0.00 0.00 0.00 0.00 05:56:01 AM eth0 169.54 102.03 2825.99 11.54 0.00 0.00 0.00 0.00 05:56:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 05:56:01 AM veth35a606e 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 05:56:01 AM br-62a0b437303d 5.60 5.53 25.62 0.93 0.00 0.00 0.00 0.00 05:57:01 AM lo 0.88 0.88 0.04 0.04 0.00 0.00 0.00 0.00 05:57:01 AM eth0 26.36 21.53 21.16 9.59 0.00 0.00 0.00 0.00 05:57:01 AM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.72 2.72 4.54 4.54 0.00 0.00 0.00 0.00 Average: eth0 128.31 94.59 1634.43 25.77 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 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) 05/04/2026 _x86_64_ (4 CPU) 05:50:40 LINUX RESTART (4 CPU) 05:51:01 AM CPU %user %nice %system %iowait %steal %idle 05:52:01 AM all 25.47 0.00 2.79 1.15 0.08 70.52 05:52:01 AM 0 45.27 0.00 5.08 2.81 0.08 46.76 05:52:01 AM 1 22.23 0.00 2.54 0.57 0.07 74.59 05:52:01 AM 2 18.81 0.00 2.44 0.97 0.08 77.69 05:52:01 AM 3 15.53 0.00 1.07 0.23 0.08 83.08 05:53:01 AM all 55.54 0.00 3.23 1.26 0.09 39.88 05:53:01 AM 0 51.77 0.00 4.33 1.29 0.10 42.51 05:53:01 AM 1 60.75 0.00 1.74 0.90 0.10 36.51 05:53:01 AM 2 54.55 0.00 2.67 0.57 0.08 42.13 05:53:01 AM 3 55.09 0.00 4.16 2.29 0.08 38.37 05:54:01 AM all 31.50 0.00 0.55 0.21 0.07 67.66 05:54:01 AM 0 31.94 0.00 0.68 0.02 0.07 67.30 05:54:01 AM 1 27.24 0.00 0.74 0.40 0.08 71.54 05:54:01 AM 2 30.58 0.00 0.45 0.35 0.07 68.55 05:54:01 AM 3 36.25 0.00 0.33 0.08 0.07 63.26 05:55:01 AM all 30.23 0.00 0.63 0.03 0.08 69.04 05:55:01 AM 0 45.15 0.00 0.93 0.07 0.08 53.76 05:55:01 AM 1 16.67 0.00 0.65 0.03 0.08 82.56 05:55:01 AM 2 36.06 0.00 0.47 0.02 0.07 63.39 05:55:01 AM 3 22.98 0.00 0.47 0.00 0.08 76.46 05:56:01 AM all 30.89 0.00 3.12 0.48 0.08 65.43 05:56:01 AM 0 29.55 0.00 3.32 0.64 0.08 66.41 05:56:01 AM 1 27.55 0.00 2.64 0.15 0.08 69.58 05:56:01 AM 2 28.61 0.00 3.27 0.34 0.08 67.69 05:56:01 AM 3 37.87 0.00 3.23 0.81 0.08 58.01 05:57:01 AM all 25.16 0.00 1.56 0.05 0.08 73.15 05:57:01 AM 0 17.47 0.00 1.13 0.03 0.08 81.28 05:57:01 AM 1 25.71 0.00 1.40 0.05 0.07 72.77 05:57:01 AM 2 25.26 0.00 1.62 0.07 0.08 72.97 05:57:01 AM 3 32.19 0.00 2.09 0.07 0.07 65.59 Average: all 33.13 0.00 1.98 0.53 0.08 64.28 Average: 0 36.86 0.00 2.58 0.81 0.08 59.67 Average: 1 30.03 0.00 1.62 0.35 0.08 67.92 Average: 2 32.32 0.00 1.82 0.38 0.08 65.40 Average: 3 33.31 0.00 1.89 0.58 0.08 64.14