---> uname -a: Linux prd-centos8-docker-4c-4g-2697.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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 812 12143 19 2806 14614 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:b9:81:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.213/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86138sec preferred_lft 86138sec inet6 fe80::f816:3eff:feb9:818c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:02:5c:65:88 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) 01/02/2026 _x86_64_ (4 CPU) 13:22:29 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 120.00 20.55 99.45 4454.72 5738.23 01:25:01 PM 257.96 6.29 251.67 1054.68 17645.10 01:26:01 PM 32.30 0.47 31.83 11.86 1707.50 Average: 136.80 9.10 127.70 1839.87 8366.99 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12986152 14963444 3155372 19.55 2688 2187236 1483936 8.63 176576 2606376 234076 01:25:01 PM 11629720 13910120 4511804 27.95 2688 2482988 2210080 12.86 268516 3822356 40364 01:26:01 PM 11882108 14348964 4259416 26.39 2688 2668380 1875812 10.91 367048 3471864 184816 Average: 12165993 14407509 3975531 24.63 2688 2446201 1856609 10.80 270713 3300199 153085 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 92.80 68.61 1320.52 18.03 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 01:25:01 PM lo 7.41 7.41 0.77 0.77 0.00 0.00 0.00 0.00 01:25:01 PM eth0 385.62 277.25 4132.73 50.86 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 21.77 21.77 5.33 5.33 0.00 0.00 0.00 0.00 01:26:01 PM eth0 54.81 51.22 267.54 24.83 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 9.73 9.73 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 177.82 132.42 1907.74 31.25 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) 01/02/2026 _x86_64_ (4 CPU) 13:22:29 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 22.78 0.00 1.92 0.68 0.08 74.54 01:24:01 PM 0 19.28 0.00 1.98 1.13 0.08 77.51 01:24:01 PM 1 31.07 0.00 2.12 0.85 0.08 65.88 01:24:01 PM 2 30.79 0.00 2.57 0.48 0.10 66.05 01:24:01 PM 3 9.95 0.00 0.99 0.25 0.07 88.74 01:25:01 PM all 51.62 0.00 2.43 1.85 0.11 43.98 01:25:01 PM 0 57.07 0.00 3.04 2.07 0.12 37.70 01:25:01 PM 1 33.69 0.00 2.80 1.27 0.12 62.12 01:25:01 PM 2 55.84 0.00 2.01 2.11 0.12 39.93 01:25:01 PM 3 59.87 0.00 1.89 1.94 0.10 36.21 01:26:01 PM all 15.43 0.00 0.92 0.17 0.07 83.41 01:26:01 PM 0 14.46 0.00 1.43 0.27 0.07 83.77 01:26:01 PM 1 13.27 0.00 1.02 0.35 0.07 85.29 01:26:01 PM 2 14.61 0.00 0.72 0.05 0.08 84.54 01:26:01 PM 3 19.37 0.00 0.50 0.02 0.07 80.04 Average: all 29.93 0.00 1.76 0.90 0.09 67.33 Average: 0 30.25 0.00 2.15 1.16 0.09 66.35 Average: 1 26.00 0.00 1.98 0.83 0.09 71.10 Average: 2 33.73 0.00 1.76 0.88 0.10 63.53 Average: 3 29.73 0.00 1.12 0.74 0.08 68.33