---> uname -a: Linux prd-centos8-docker-4c-4g-1298.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 764 12085 19 2911 14659 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:42:9f:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.78/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86149sec preferred_lft 86149sec inet6 fe80::f816:3eff:fe42:9f54/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9a:09:26:91 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) 05:38:01 LINUX RESTART (4 CPU) 05:39:01 AM tps rtps wtps bread/s bwrtn/s 05:40:01 AM 269.73 14.75 254.98 3100.17 14353.32 05:41:01 AM 73.25 6.30 66.96 1081.29 11886.85 05:42:01 AM 37.62 0.87 36.75 67.18 1023.99 Average: 126.87 7.30 119.57 1416.23 9087.90 05:39:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 AM 12485204 14819432 3654108 22.64 2688 2536376 1365904 7.95 189272 3048892 327676 05:41:01 AM 11395904 13780684 4743408 29.39 2688 2585540 2380832 13.85 250984 4065132 1628 05:42:01 AM 12368252 15002108 3771060 23.37 2688 2832064 1154932 6.72 534544 2810956 258068 Average: 12083120 14534075 4056192 25.13 2688 2651327 1633889 9.51 324933 3308327 195791 05:39:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 AM eth0 397.00 286.02 4945.55 45.32 0.00 0.00 0.00 0.00 05:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:41:01 AM lo 21.73 21.73 4.54 4.54 0.00 0.00 0.00 0.00 05:41:01 AM eth0 120.85 55.09 235.45 53.82 0.00 0.00 0.00 0.00 05:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:42:01 AM lo 6.86 6.86 1.52 1.52 0.00 0.00 0.00 0.00 05:42:01 AM eth0 74.83 55.15 286.29 19.28 0.00 0.00 0.00 0.00 05:42:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.53 9.53 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 197.56 132.09 1822.52 39.47 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) 05:38:01 LINUX RESTART (4 CPU) 05:39:01 AM CPU %user %nice %system %iowait %steal %idle 05:40:01 AM all 28.43 0.00 3.10 1.67 0.10 66.70 05:40:01 AM 0 19.66 0.00 2.22 1.17 0.10 76.86 05:40:01 AM 1 32.90 0.00 3.93 1.56 0.12 61.49 05:40:01 AM 2 37.52 0.00 3.31 1.84 0.10 57.22 05:40:01 AM 3 23.66 0.00 2.93 2.11 0.10 71.20 05:41:01 AM all 48.98 0.00 1.27 0.65 0.11 48.99 05:41:01 AM 0 46.03 0.00 2.21 1.10 0.12 50.54 05:41:01 AM 1 58.59 0.00 0.45 0.35 0.12 40.49 05:41:01 AM 2 35.89 0.00 1.67 1.04 0.10 61.30 05:41:01 AM 3 55.36 0.00 0.75 0.12 0.12 43.65 05:42:01 AM all 18.78 0.00 1.60 0.11 0.06 79.45 05:42:01 AM 0 11.51 0.00 2.00 0.25 0.05 86.18 05:42:01 AM 1 24.85 0.00 1.44 0.07 0.07 73.58 05:42:01 AM 2 18.27 0.00 0.90 0.05 0.05 80.72 05:42:01 AM 3 20.48 0.00 2.05 0.08 0.07 77.32 Average: all 32.06 0.00 1.99 0.81 0.09 65.05 Average: 0 25.72 0.00 2.14 0.84 0.09 71.20 Average: 1 38.79 0.00 1.94 0.66 0.10 58.52 Average: 2 30.55 0.00 1.96 0.98 0.08 66.43 Average: 3 33.17 0.00 1.91 0.77 0.09 64.05