---> uname -a: Linux prd-centos8-docker-4c-4g-6653.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 11891 19 3054 14599 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:c5:0f:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.119/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85938sec preferred_lft 85938sec inet6 fe80::f816:3eff:fec5:f19/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9e:b5:2a:b6 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::42:9eff:feb5:2ab6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (prd-centos8-docker-4c-4g-6653.novalocal) 02/10/2026 _x86_64_ (4 CPU) 12:00:01 AM tps rtps wtps bread/s bwrtn/s 12:01:01 AM 64.43 0.55 63.88 414.13 13879.24 12:02:01 AM 37.08 0.18 36.89 3.20 2757.89 12:03:01 AM 35.27 0.48 34.79 64.11 1321.68 Average: 45.59 0.41 45.19 160.46 5985.91 12:00:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:01:01 AM 6889032 9678204 9252500 57.32 2688 2979452 6512664 37.89 377684 8392248 36304 12:02:01 AM 8274676 11029168 7866856 48.74 2688 2944752 5106424 29.71 405136 6986348 1016 12:03:01 AM 12108948 14889380 4032584 24.98 2688 2969716 1244840 7.24 590512 2980760 31376 Average: 9090885 11865584 7050647 43.68 2688 2964640 4287976 24.94 457777 6119785 22899 12:00:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:01:01 AM lo 5.71 5.71 0.65 0.65 0.00 0.00 0.00 0.00 12:01:01 AM eth0 205.01 121.28 2769.03 9.99 0.00 0.00 0.00 0.00 12:01:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 12:01:01 AM veth65cb68a 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 12:01:01 AM br-35b1acba017e 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 12:01:01 AM vethb45aa3a 0.00 0.22 0.00 0.02 0.00 0.00 0.00 0.00 12:02:01 AM lo 13.51 13.51 26.67 26.67 0.00 0.00 0.00 0.00 12:02:01 AM eth0 2.88 2.25 58.72 0.46 0.00 0.00 0.00 0.00 12:02:01 AM docker0 0.08 0.08 0.00 0.00 0.00 0.00 0.00 0.00 12:02:01 AM veth65cb68a 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 12:02:01 AM br-35b1acba017e 5.85 5.51 25.61 0.92 0.00 0.00 0.00 0.00 12:03:01 AM lo 0.42 0.42 0.02 0.02 0.00 0.00 0.00 0.00 12:03:01 AM eth0 24.79 20.86 18.06 10.13 0.00 0.00 0.00 0.00 12:03:01 AM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.55 6.55 9.11 9.11 0.00 0.00 0.00 0.00 Average: eth0 77.55 48.12 948.50 6.86 0.00 0.00 0.00 0.00 Average: docker0 0.09 0.13 0.00 0.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (prd-centos8-docker-4c-4g-6653.novalocal) 02/10/2026 _x86_64_ (4 CPU) 12:00:01 AM CPU %user %nice %system %iowait %steal %idle 12:01:01 AM all 17.01 0.02 2.44 0.53 0.08 79.92 12:01:01 AM 0 15.76 0.00 2.40 0.17 0.08 81.59 12:01:01 AM 1 16.21 0.02 2.16 0.52 0.08 81.01 12:01:01 AM 2 17.29 0.05 2.76 1.01 0.08 78.81 12:01:01 AM 3 18.77 0.00 2.45 0.44 0.08 78.26 12:02:01 AM all 9.39 0.00 1.30 0.16 0.08 89.07 12:02:01 AM 0 8.56 0.00 1.50 0.28 0.07 89.58 12:02:01 AM 1 9.96 0.00 1.12 0.05 0.08 88.78 12:02:01 AM 2 11.08 0.00 1.19 0.07 0.08 87.58 12:02:01 AM 3 7.94 0.00 1.39 0.23 0.08 90.35 12:03:01 AM all 29.84 0.00 1.74 0.09 0.07 68.26 12:03:01 AM 0 26.20 0.00 1.67 0.05 0.08 72.00 12:03:01 AM 1 39.57 0.00 1.99 0.13 0.07 58.24 12:03:01 AM 2 22.81 0.00 1.50 0.07 0.05 75.56 12:03:01 AM 3 30.77 0.00 1.79 0.10 0.08 67.26 Average: all 18.76 0.01 1.83 0.26 0.08 79.07 Average: 0 16.85 0.00 1.86 0.17 0.08 81.05 Average: 1 21.93 0.01 1.76 0.23 0.08 75.99 Average: 2 17.07 0.02 1.82 0.38 0.07 80.65 Average: 3 19.18 0.00 1.88 0.26 0.08 78.61