---> uname -a: Linux prd-centos8-docker-4c-4g-6222.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 822 12120 19 2820 14605 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:a7:a1:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.245/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86148sec preferred_lft 86148sec inet6 fe80::f816:3eff:fea7:a161/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fd:05:92:d3 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) 04/26/2026 _x86_64_ (4 CPU) 13:22:45 LINUX RESTART (4 CPU) 01:23:03 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 335.69 27.82 307.88 7096.47 36770.96 01:25:01 PM 268.01 19.58 248.43 4214.49 13444.51 01:26:01 PM 35.77 1.65 34.12 63.58 7852.30 01:27:01 PM 61.57 3.12 58.46 139.44 9643.09 Average: 173.93 12.92 161.01 2843.35 16760.90 01:23:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13220248 15046080 2921284 18.10 2688 2037472 1215752 7.07 146912 2407932 224744 01:25:01 PM 11755920 14045300 4385612 27.17 2688 2492304 2023848 11.77 241208 3731844 225724 01:26:01 PM 11320432 13613940 4821100 29.87 2688 2496208 2552108 14.85 255444 4148180 892 01:27:01 PM 12385592 14930084 3755940 23.27 2688 2744368 1241596 7.22 533180 2806988 8348 Average: 12170548 14408851 3970984 24.60 2688 2442588 1758326 10.23 294186 3273736 114927 01:23:03 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 386.45 213.27 1921.29 72.94 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 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:25:01 PM eth0 448.53 308.18 4725.06 64.60 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 25.72 25.72 5.15 5.15 0.00 0.00 0.00 0.00 01:26:01 PM eth0 21.29 16.21 8.93 17.35 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 3.40 3.40 0.96 0.96 0.00 0.00 0.00 0.00 01:27:01 PM eth0 74.30 80.79 286.54 931.63 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 7.38 7.38 1.54 1.54 0.00 0.00 0.00 0.00 Average: eth0 231.39 154.14 1734.33 273.25 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) 04/26/2026 _x86_64_ (4 CPU) 13:22:45 LINUX RESTART (4 CPU) 01:23:03 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 27.89 0.00 3.58 2.28 0.08 66.18 01:24:01 PM 0 21.70 0.00 3.71 3.44 0.09 71.06 01:24:01 PM 1 31.71 0.00 4.11 1.12 0.07 62.99 01:24:01 PM 2 23.31 0.00 3.18 3.96 0.09 69.47 01:24:01 PM 3 34.80 0.00 3.30 0.61 0.07 61.22 01:25:01 PM all 47.29 0.00 3.07 1.71 0.10 47.83 01:25:01 PM 0 48.26 0.00 2.63 1.25 0.10 47.76 01:25:01 PM 1 51.78 0.00 2.21 1.94 0.10 43.97 01:25:01 PM 2 42.26 0.00 3.04 1.27 0.10 53.33 01:25:01 PM 3 46.83 0.00 4.41 2.38 0.10 46.28 01:26:01 PM all 25.31 0.00 0.74 0.22 0.07 73.66 01:26:01 PM 0 31.11 0.00 0.62 0.03 0.08 68.16 01:26:01 PM 1 32.76 0.00 0.27 0.00 0.07 66.91 01:26:01 PM 2 19.72 0.00 1.14 0.38 0.07 78.70 01:26:01 PM 3 17.65 0.00 0.92 0.45 0.07 80.91 01:27:01 PM all 24.15 0.00 2.14 0.36 0.08 73.27 01:27:01 PM 0 15.53 0.00 1.87 0.18 0.08 82.34 01:27:01 PM 1 29.84 0.00 2.17 0.15 0.07 67.77 01:27:01 PM 2 25.08 0.00 2.56 0.99 0.08 71.28 01:27:01 PM 3 26.17 0.00 1.95 0.12 0.07 71.69 Average: all 31.18 0.00 2.37 1.13 0.08 65.24 Average: 0 29.21 0.00 2.19 1.21 0.09 67.30 Average: 1 36.55 0.00 2.17 0.80 0.08 60.40 Average: 2 27.62 0.00 2.47 1.63 0.08 68.19 Average: 3 31.33 0.00 2.64 0.89 0.08 65.07