---> uname -a: Linux prd-centos8-docker-4c-4g-4904.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 799 12144 19 2819 14628 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:7c:a2:af brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.249/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fe7c:a2af/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0a:b5:82:21 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) 04/22/2026 _x86_64_ (4 CPU) 14:04:40 LINUX RESTART (4 CPU) 02:05:01 PM tps rtps wtps bread/s bwrtn/s 02:06:01 PM 333.75 24.67 309.08 4867.57 8584.27 02:07:01 PM 263.67 6.37 257.31 1081.82 20404.38 02:08:01 PM 31.09 0.52 30.58 17.20 864.94 Average: 209.52 10.52 199.00 1989.18 9951.05 02:05:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:06:01 PM 12985276 14973960 3156256 19.55 2688 2199392 1478636 8.60 156720 2629748 286108 02:07:01 PM 11192388 13485424 4949144 30.66 2688 2496188 2626796 15.28 254900 4277196 12312 02:08:01 PM 12447160 14980176 3694372 22.89 2688 2734748 1193824 6.94 348620 2932132 246312 Average: 12208275 14479853 3933257 24.37 2688 2476776 1766419 10.28 253413 3279692 181577 02:05:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:06:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:06:01 PM eth0 215.89 137.60 1858.80 58.16 0.00 0.00 0.00 0.00 02:06:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:07:01 PM lo 11.50 11.50 3.41 3.41 0.00 0.00 0.00 0.00 02:07:01 PM eth0 403.27 283.87 4179.49 84.44 0.00 0.00 0.00 0.00 02:07:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:08:01 PM lo 17.50 17.50 2.68 2.68 0.00 0.00 0.00 0.00 02:08:01 PM eth0 65.22 57.99 272.76 24.48 0.00 0.00 0.00 0.00 02:08:01 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 228.13 159.82 2103.66 55.69 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) 04/22/2026 _x86_64_ (4 CPU) 14:04:40 LINUX RESTART (4 CPU) 02:05:01 PM CPU %user %nice %system %iowait %steal %idle 02:06:01 PM all 24.31 0.00 2.93 1.29 0.09 71.38 02:06:01 PM 0 20.10 0.00 2.61 0.37 0.08 76.84 02:06:01 PM 1 30.61 0.00 2.96 1.32 0.10 65.00 02:06:01 PM 2 28.32 0.00 4.29 3.09 0.10 64.20 02:06:01 PM 3 18.20 0.00 1.86 0.38 0.08 79.48 02:07:01 PM all 58.74 0.00 2.79 1.75 0.12 36.59 02:07:01 PM 0 52.64 0.00 3.64 1.77 0.13 41.81 02:07:01 PM 1 70.94 0.00 1.82 1.19 0.12 25.94 02:07:01 PM 2 46.40 0.00 3.72 2.87 0.12 46.89 02:07:01 PM 3 64.95 0.00 1.99 1.17 0.12 31.77 02:08:01 PM all 12.95 0.00 1.09 0.15 0.06 85.76 02:08:01 PM 0 14.25 0.00 0.90 0.07 0.07 84.72 02:08:01 PM 1 9.56 0.00 0.94 0.12 0.05 89.34 02:08:01 PM 2 16.34 0.00 1.87 0.40 0.05 81.34 02:08:01 PM 3 11.64 0.00 0.63 0.00 0.07 87.66 Average: all 31.99 0.00 2.27 1.06 0.09 64.59 Average: 0 29.00 0.00 2.39 0.74 0.09 67.78 Average: 1 37.04 0.00 1.91 0.87 0.09 60.09 Average: 2 30.33 0.00 3.29 2.12 0.09 64.17 Average: 3 31.59 0.00 1.49 0.52 0.09 66.31