---> uname -a: Linux prd-centos8-docker-4c-4g-3185.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: 2800.000 BogoMIPS: 5600.00 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 808 12133 19 2821 14620 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:b4:36:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.200/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:feb4:3655/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:bf:be:8f:77 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) 04/19/2026 _x86_64_ (4 CPU) 13:22:47 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 325.16 24.11 301.05 7160.56 9473.63 01:25:02 PM 273.49 18.53 254.96 2659.52 19587.25 01:26:01 PM 31.63 0.05 31.58 1.08 1801.98 Average: 211.11 14.31 196.80 3291.79 10338.11 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13136040 15078608 3005492 18.62 2688 2153452 1123560 6.54 147212 2490724 288492 01:25:02 PM 11614892 13910200 4526640 28.04 2688 2498560 2210860 12.86 248228 3861428 41056 01:26:01 PM 12047664 14418072 4093868 25.36 2688 2572920 1668292 9.70 289120 3390480 74220 Average: 12266199 14468960 3875333 24.01 2688 2408311 1667571 9.70 228187 3247544 134589 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 387.49 233.29 2419.00 79.44 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 01:25:02 PM lo 6.51 6.51 0.67 0.67 0.00 0.00 0.00 0.00 01:25:02 PM eth0 439.41 297.59 4167.65 64.77 0.00 0.00 0.00 0.00 01:25:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 22.69 22.69 5.49 5.49 0.00 0.00 0.00 0.00 01:26:01 PM eth0 63.74 52.00 246.36 27.56 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 Average: lo 9.66 9.66 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 298.23 195.12 2289.65 57.43 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) 04/19/2026 _x86_64_ (4 CPU) 13:22:47 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.32 0.00 3.38 1.31 0.08 68.91 01:24:01 PM 0 32.10 0.00 3.27 0.55 0.08 63.99 01:24:01 PM 1 21.94 0.00 3.23 0.69 0.07 74.08 01:24:01 PM 2 30.33 0.00 4.58 2.98 0.08 62.02 01:24:01 PM 3 20.90 0.00 2.45 1.02 0.07 75.56 01:25:02 PM all 54.32 0.00 2.60 1.38 0.12 41.59 01:25:02 PM 0 49.48 0.00 2.99 0.87 0.12 46.54 01:25:02 PM 1 48.01 0.00 2.84 2.09 0.12 46.94 01:25:02 PM 2 63.67 0.00 2.45 1.69 0.12 32.07 01:25:02 PM 3 56.09 0.00 2.11 0.89 0.12 40.80 01:26:01 PM all 14.93 0.00 0.86 0.14 0.08 83.99 01:26:01 PM 0 12.70 0.00 1.19 0.46 0.08 85.56 01:26:01 PM 1 14.00 0.00 0.54 0.02 0.08 85.35 01:26:01 PM 2 18.10 0.00 0.95 0.00 0.07 80.89 01:26:01 PM 3 14.92 0.00 0.75 0.10 0.07 84.16 Average: all 31.95 0.00 2.29 0.95 0.09 64.72 Average: 0 31.54 0.00 2.49 0.63 0.10 65.25 Average: 1 28.06 0.00 2.21 0.94 0.09 68.70 Average: 2 37.48 0.00 2.67 1.56 0.09 58.20 Average: 3 30.74 0.00 1.77 0.67 0.08 66.73