---> uname -a: Linux prd-centos8-docker-8c-8g-2876.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1065 26988 19 3834 30356 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:ad:8f:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.182/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fead:8f26/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d3:12:07:02 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 inet6 fe80::42:d3ff:fe12:702/64 scope link 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) 05/23/2026 _x86_64_ (8 CPU) 03:37:23 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 210.76 14.51 196.25 3119.23 11229.81 03:40:01 AM 419.53 5.52 414.01 1231.26 18832.79 03:41:01 AM 266.53 5.40 261.14 538.53 45272.55 Average: 298.93 8.47 290.46 1629.63 25113.18 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29211836 31253276 3441536 10.54 2688 2355332 1952956 5.79 188120 2780812 269992 03:40:01 AM 27427892 29879084 5225480 16.00 2688 2755700 2544736 7.55 396036 4312424 188332 03:41:01 AM 27653332 31100116 5000040 15.31 2688 3737500 1510732 4.48 652756 3783444 150436 Average: 28097687 30744159 4555685 13.95 2688 2949511 2002808 5.94 412304 3625560 202920 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 228.11 187.39 2797.91 48.96 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 417.53 361.96 5680.37 53.22 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 553.24 466.15 7078.89 1366.48 0.00 0.00 0.00 0.00 03:41:01 AM docker0 9.80 13.31 0.59 307.81 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 399.63 338.50 5185.80 489.63 0.00 0.00 0.00 0.00 Average: docker0 3.27 4.44 0.20 102.62 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) 05/23/2026 _x86_64_ (8 CPU) 03:37:23 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 12.36 0.00 1.19 0.55 0.07 85.84 03:39:01 AM 0 17.42 0.00 1.74 0.48 0.08 80.27 03:39:01 AM 1 28.41 0.00 1.85 0.48 0.08 69.17 03:39:01 AM 2 6.79 0.00 0.79 0.55 0.05 91.83 03:39:01 AM 3 13.26 0.00 1.91 1.27 0.07 83.49 03:39:01 AM 4 13.46 0.00 1.09 0.35 0.07 85.04 03:39:01 AM 5 4.74 0.00 0.68 0.28 0.07 94.22 03:39:01 AM 6 6.51 0.00 0.72 0.50 0.05 92.23 03:39:01 AM 7 8.31 0.00 0.75 0.43 0.07 90.43 03:40:01 AM all 28.28 0.00 1.67 1.20 0.08 68.77 03:40:01 AM 0 26.69 0.00 1.96 1.16 0.07 70.13 03:40:01 AM 1 26.84 0.00 1.73 1.07 0.07 70.30 03:40:01 AM 2 30.80 0.00 1.07 0.67 0.08 67.38 03:40:01 AM 3 31.10 0.00 1.44 1.32 0.08 66.05 03:40:01 AM 4 38.71 0.00 1.61 0.44 0.07 59.18 03:40:01 AM 5 24.22 0.00 1.14 0.20 0.07 74.37 03:40:01 AM 6 20.86 0.00 1.64 1.53 0.08 75.89 03:40:01 AM 7 27.04 0.00 2.73 3.23 0.10 66.90 03:41:01 AM all 16.30 0.00 2.73 1.11 0.08 79.78 03:41:01 AM 0 13.24 0.00 2.08 0.47 0.07 84.13 03:41:01 AM 1 16.48 0.00 3.12 1.09 0.08 79.22 03:41:01 AM 2 27.45 0.00 3.02 2.20 0.08 67.25 03:41:01 AM 3 19.62 0.00 3.12 1.09 0.08 76.08 03:41:01 AM 4 18.26 0.00 2.15 1.01 0.08 78.50 03:41:01 AM 5 12.88 0.00 2.57 0.42 0.07 84.06 03:41:01 AM 6 10.46 0.00 3.02 1.81 0.07 84.63 03:41:01 AM 7 11.98 0.00 2.79 0.82 0.07 84.35 Average: all 18.98 0.00 1.86 0.95 0.07 78.13 Average: 0 19.12 0.00 1.93 0.70 0.07 78.18 Average: 1 23.92 0.00 2.23 0.88 0.08 72.89 Average: 2 21.67 0.00 1.62 1.14 0.07 75.50 Average: 3 21.32 0.00 2.16 1.23 0.08 75.21 Average: 4 23.47 0.00 1.61 0.60 0.07 74.25 Average: 5 13.94 0.00 1.46 0.30 0.07 84.23 Average: 6 12.60 0.00 1.79 1.28 0.07 84.26 Average: 7 15.77 0.00 2.09 1.50 0.08 80.56