---> uname -a: Linux prd-centos8-docker-4c-4g-4431.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 754 12192 19 2816 14674 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:27:14:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.138/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fe27:14fc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7d:f9:89:6f 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) 04/07/2026 _x86_64_ (4 CPU) 13:22:27 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 192.70 15.08 177.62 3123.23 9974.94 01:25:01 PM 172.85 6.25 166.61 1080.09 15302.20 01:26:01 PM 28.31 0.52 27.79 17.19 840.82 Average: 131.29 7.28 124.00 1406.85 8705.62 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12865952 14886184 3275580 20.29 2688 2228132 1335544 7.77 187748 2698844 187000 01:25:01 PM 11363040 13653964 4778492 29.60 2688 2494112 2490152 14.49 254924 4106108 8588 01:26:01 PM 12481976 15012976 3659556 22.67 2688 2732664 1165936 6.78 349800 2897028 243352 Average: 12236989 14517708 3904543 24.19 2688 2484969 1663877 9.68 264157 3233993 146313 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 181.61 134.27 1980.21 31.29 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 11.78 11.78 3.42 3.42 0.00 0.00 0.00 0.00 01:25:01 PM eth0 445.33 246.78 3751.49 57.18 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 17.19 17.19 2.66 2.66 0.00 0.00 0.00 0.00 01:26:01 PM eth0 88.69 68.29 288.24 38.52 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 9.66 9.66 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 238.53 149.78 2006.55 42.33 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) 04/07/2026 _x86_64_ (4 CPU) 13:22:27 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.98 0.00 2.42 1.04 0.08 70.48 01:24:01 PM 0 19.19 0.00 2.27 0.97 0.07 77.51 01:24:01 PM 1 15.65 0.00 1.20 0.50 0.08 82.56 01:24:01 PM 2 39.08 0.00 3.10 1.26 0.08 56.48 01:24:01 PM 3 30.03 0.00 3.11 1.44 0.08 65.34 01:25:01 PM all 53.93 0.00 2.11 2.10 0.11 41.75 01:25:01 PM 0 46.53 0.00 2.80 2.13 0.12 48.43 01:25:01 PM 1 65.55 0.00 1.02 0.33 0.10 33.00 01:25:01 PM 2 56.58 0.00 2.75 2.19 0.12 38.36 01:25:01 PM 3 47.03 0.00 1.89 3.73 0.12 47.23 01:26:01 PM all 13.96 0.00 1.02 0.11 0.05 84.85 01:26:01 PM 0 16.14 0.00 1.29 0.17 0.07 82.34 01:26:01 PM 1 14.72 0.00 1.02 0.05 0.05 84.16 01:26:01 PM 2 13.61 0.00 0.95 0.15 0.05 85.23 01:26:01 PM 3 11.38 0.00 0.82 0.08 0.05 87.66 Average: all 31.28 0.00 1.85 1.08 0.08 65.70 Average: 0 27.27 0.00 2.12 1.09 0.08 69.45 Average: 1 32.00 0.00 1.08 0.30 0.08 66.54 Average: 2 36.40 0.00 2.26 1.20 0.08 60.05 Average: 3 29.47 0.00 1.94 1.75 0.08 66.76