---> uname -a: Linux prd-centos8-docker-4c-4g-144.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 748 12192 19 2822 14679 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:f8:7a:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.10/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86087sec preferred_lft 86087sec inet6 fe80::f816:3eff:fef8:7a26/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ac:18:cd:ef 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) 05/14/2026 _x86_64_ (4 CPU) 13:23:28 LINUX RESTART (4 CPU) 01:24:02 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 111.59 10.61 100.98 1403.73 6750.97 01:26:01 PM 172.34 14.81 157.52 3116.01 12269.52 01:27:01 PM 115.16 6.30 108.87 1081.15 8473.72 01:28:01 PM 34.86 0.47 34.39 16.13 969.63 Average: 108.47 8.04 100.44 1404.20 7117.21 01:24:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 13274332 15092476 2867200 17.76 2688 2031108 1129764 6.57 146280 2359532 213680 01:26:01 PM 12847012 14878300 3294520 20.41 2688 2237988 1335776 7.77 189056 2708676 8988 01:27:01 PM 11612228 13907140 4529304 28.06 2688 2498060 2454612 14.28 254916 3857936 2436 01:28:01 PM 12490104 15025104 3651428 22.62 2688 2736632 1150148 6.69 350664 2888176 246336 Average: 12555919 14725755 3585613 22.21 2688 2375947 1517575 8.83 235229 2953580 117860 01:24:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 198.24 121.72 1475.44 36.31 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM eth0 124.55 106.88 1049.01 39.19 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 12.65 12.65 3.51 3.51 0.00 0.00 0.00 0.00 01:27:01 PM eth0 297.43 201.35 3672.27 41.59 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 01:28:01 PM lo 18.26 18.26 2.75 2.75 0.00 0.00 0.00 0.00 01:28:01 PM eth0 78.71 63.60 278.36 32.12 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.76 7.76 1.57 1.57 0.00 0.00 0.00 0.00 Average: eth0 174.63 123.39 1619.31 37.30 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) 05/14/2026 _x86_64_ (4 CPU) 13:23:28 LINUX RESTART (4 CPU) 01:24:02 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 18.85 0.00 1.98 2.31 0.08 76.79 01:25:01 PM 0 12.30 0.00 1.83 1.51 0.08 84.27 01:25:01 PM 1 22.08 0.00 2.31 2.65 0.09 72.87 01:25:01 PM 2 27.29 0.00 2.51 3.46 0.08 66.64 01:25:01 PM 3 13.73 0.00 1.24 1.60 0.07 83.36 01:26:01 PM all 16.53 0.00 1.81 14.89 0.10 66.67 01:26:01 PM 0 13.46 0.00 1.56 8.29 0.10 76.60 01:26:01 PM 1 19.64 0.00 2.13 24.10 0.10 54.03 01:26:01 PM 2 16.71 0.00 1.53 17.16 0.08 64.52 01:26:01 PM 3 16.30 0.00 2.04 10.04 0.10 71.52 01:27:01 PM all 50.77 0.00 1.67 7.07 0.13 40.36 01:27:01 PM 0 50.95 0.00 1.71 4.64 0.13 42.57 01:27:01 PM 1 58.24 0.00 1.71 14.17 0.12 25.76 01:27:01 PM 2 39.68 0.00 1.75 7.69 0.15 50.73 01:27:01 PM 3 54.20 0.00 1.51 1.79 0.13 42.36 01:28:01 PM all 13.56 0.00 1.15 1.35 0.07 83.87 01:28:01 PM 0 13.43 0.00 1.00 0.47 0.08 85.02 01:28:01 PM 1 18.54 0.00 1.61 2.24 0.08 77.53 01:28:01 PM 2 9.74 0.00 0.77 1.55 0.05 87.89 01:28:01 PM 3 12.54 0.00 1.24 1.12 0.07 85.03 Average: all 24.93 0.00 1.65 6.42 0.10 66.91 Average: 0 22.56 0.00 1.52 3.73 0.10 72.08 Average: 1 29.63 0.00 1.94 10.82 0.10 57.51 Average: 2 23.32 0.00 1.63 7.48 0.09 67.47 Average: 3 24.22 0.00 1.51 3.65 0.09 70.54