---> uname -a: Linux prd-centos8-docker-4c-4g-1100.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 813 12031 19 2915 14610 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:aa:5c:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.235/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86149sec preferred_lft 86149sec inet6 fe80::f816:3eff:feaa:5cd7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:01:dd:03:78 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) 07/23/2026 _x86_64_ (4 CPU) 00:16:03 LINUX RESTART (4 CPU) 12:17:01 AM tps rtps wtps bread/s bwrtn/s 12:18:01 AM 247.73 14.70 233.03 3205.20 14216.28 12:19:01 AM 93.55 6.23 87.32 1056.49 12004.95 12:20:01 AM 39.17 0.85 38.32 67.04 1466.61 Average: 126.81 7.26 119.55 1442.83 9228.85 12:17:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:18:01 AM 12454844 14767596 3684476 22.83 2688 2515384 1412952 8.22 187812 3081304 291788 12:19:01 AM 10905248 13294268 5234072 32.43 2688 2589588 2872320 16.71 250736 4553836 1720 12:20:01 AM 12339916 14977856 3799404 23.54 2688 2835940 1168960 6.80 534000 2838648 244328 Average: 11900003 14346573 4239317 26.27 2688 2646971 1818077 10.58 324183 3491263 179279 12:17:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:18:01 AM eth0 358.22 262.52 4535.59 40.97 0.00 0.00 0.00 0.00 12:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:19:01 AM lo 21.90 21.90 4.55 4.55 0.00 0.00 0.00 0.00 12:19:01 AM eth0 171.84 94.42 630.65 46.73 0.00 0.00 0.00 0.00 12:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 AM lo 7.26 7.26 1.55 1.55 0.00 0.00 0.00 0.00 12:20:01 AM eth0 56.90 51.73 277.97 25.96 0.00 0.00 0.00 0.00 12:20:01 AM 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 195.65 136.22 1814.65 37.89 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) 07/23/2026 _x86_64_ (4 CPU) 00:16:03 LINUX RESTART (4 CPU) 12:17:01 AM CPU %user %nice %system %iowait %steal %idle 12:18:01 AM all 26.55 0.00 2.75 1.31 0.09 69.30 12:18:01 AM 0 37.49 0.00 4.40 1.74 0.10 56.28 12:18:01 AM 1 29.15 0.00 2.46 1.24 0.10 67.05 12:18:01 AM 2 22.57 0.00 1.57 0.67 0.08 75.10 12:18:01 AM 3 16.97 0.00 2.56 1.61 0.08 78.77 12:19:01 AM all 49.07 0.00 1.52 0.55 0.10 48.77 12:19:01 AM 0 58.22 0.00 0.35 0.07 0.10 41.27 12:19:01 AM 1 37.10 0.00 2.88 1.67 0.10 58.25 12:19:01 AM 2 59.89 0.00 0.67 0.02 0.08 39.34 12:19:01 AM 3 41.02 0.00 2.17 0.43 0.10 56.27 12:20:01 AM all 17.78 0.00 1.47 0.17 0.06 80.52 12:20:01 AM 0 19.02 0.00 1.02 0.17 0.05 79.74 12:20:01 AM 1 18.65 0.00 2.27 0.33 0.07 78.68 12:20:01 AM 2 20.87 0.00 1.70 0.10 0.07 77.26 12:20:01 AM 3 12.59 0.00 0.89 0.08 0.05 86.39 Average: all 31.14 0.00 1.91 0.68 0.08 66.19 Average: 0 38.25 0.00 1.92 0.66 0.08 59.08 Average: 1 28.30 0.00 2.54 1.08 0.09 67.99 Average: 2 34.46 0.00 1.31 0.26 0.08 63.89 Average: 3 23.54 0.00 1.87 0.71 0.08 73.80