---> uname -a: Linux prd-centos8-docker-4c-4g-780.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 809 12043 19 2908 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:54:22:af brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.59/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe54:22af/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1f:b0:8a:ac 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/18/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 272.22 16.48 255.73 3821.54 16715.50 01:26:01 PM 56.69 4.63 52.06 371.68 8827.35 01:27:01 PM 52.51 1.65 50.86 123.05 9006.68 Average: 127.18 7.59 119.59 1439.43 11517.94 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12266364 14625700 3872956 24.00 2688 2560824 1465164 8.52 209472 3245500 246276 01:26:01 PM 11215628 13597440 4923692 30.51 2688 2582400 2659080 15.47 255724 4238912 872 01:27:01 PM 12349188 14982820 3790132 23.48 2688 2831568 1207932 7.03 540440 2823488 25608 Average: 11943727 14401987 4195593 26.00 2688 2658264 1777392 10.34 335212 3435967 90919 01:24:01 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 418.68 306.58 5026.19 70.32 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 24.15 24.15 4.98 4.98 0.00 0.00 0.00 0.00 01:26:01 PM eth0 40.16 31.47 107.04 22.20 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 5.00 5.00 1.12 1.12 0.00 0.00 0.00 0.00 01:27:01 PM eth0 70.74 76.74 279.24 934.44 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 Average: lo 9.72 9.72 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 176.59 138.30 1805.04 342.19 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/18/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 32.96 0.00 2.88 1.41 0.12 62.63 01:25:01 PM 0 28.90 0.00 2.42 1.19 0.12 67.37 01:25:01 PM 1 28.42 0.00 2.49 1.49 0.10 67.50 01:25:01 PM 2 32.53 0.00 2.61 0.97 0.12 63.78 01:25:01 PM 3 41.98 0.00 4.02 2.01 0.13 51.86 01:26:01 PM all 41.36 0.00 1.05 0.42 0.10 57.07 01:26:01 PM 0 51.78 0.00 0.25 0.02 0.10 47.86 01:26:01 PM 1 50.92 0.00 0.40 0.00 0.08 48.60 01:26:01 PM 2 33.56 0.00 1.62 0.33 0.08 64.41 01:26:01 PM 3 29.15 0.00 1.94 1.32 0.12 67.47 01:27:01 PM all 19.87 0.00 1.73 0.29 0.07 78.03 01:27:01 PM 0 23.56 0.00 2.09 0.12 0.07 74.17 01:27:01 PM 1 15.33 0.00 1.02 0.60 0.07 82.98 01:27:01 PM 2 16.38 0.00 1.00 0.03 0.07 82.51 01:27:01 PM 3 24.21 0.00 2.82 0.42 0.08 72.46 Average: all 31.40 0.00 1.89 0.71 0.09 65.91 Average: 0 34.75 0.00 1.59 0.44 0.09 63.13 Average: 1 31.57 0.00 1.30 0.70 0.08 66.35 Average: 2 27.49 0.00 1.74 0.45 0.09 70.23 Average: 3 31.78 0.00 2.93 1.25 0.11 63.93