---> uname -a: Linux prd-centos8-docker-8c-8g-1630.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): 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: 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): 0-7 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: 31890 1090 27118 19 3681 30339 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:0c:31:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.96/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fe0c:31f5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:40:8f:1e:f7 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::42:40ff:fe8f:1ef7/64 scope link 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) 05/20/2026 _x86_64_ (8 CPU) 17:11:24 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 213.85 14.66 199.18 3224.53 12094.59 05:14:01 PM 462.11 4.82 457.29 1166.21 16020.31 05:15:01 PM 235.85 4.93 230.92 498.23 42100.82 Average: 303.93 8.14 295.79 1629.68 23405.65 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29244524 31220772 3411188 10.45 2688 2292628 1956316 5.80 189412 2755004 177492 05:14:01 PM 27763856 30160040 4891856 14.98 2688 2702736 2200812 6.53 401408 3980708 195132 05:15:01 PM 27811960 31109712 4843752 14.83 2688 3594052 1485976 4.41 815900 3485072 166240 Average: 28273447 30830175 4382265 13.42 2688 2863139 1881035 5.58 468907 3406928 179621 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 223.54 184.12 2683.10 46.86 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 462.59 394.43 5876.14 55.88 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 580.59 518.18 6000.55 2392.85 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.23 13.83 0.54 256.89 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 422.24 365.58 4853.21 831.90 0.00 0.00 0.00 0.00 Average: docker0 2.41 4.61 0.18 85.64 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) 05/20/2026 _x86_64_ (8 CPU) 17:11:24 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 12.16 0.00 1.20 0.56 0.06 86.02 05:13:01 PM 0 7.81 0.00 0.80 0.08 0.07 91.23 05:13:01 PM 1 13.58 0.00 0.62 0.27 0.07 85.47 05:13:01 PM 2 24.07 0.00 1.86 0.38 0.08 73.61 05:13:01 PM 3 10.72 0.00 0.94 0.62 0.05 87.68 05:13:01 PM 4 4.48 0.00 1.12 1.15 0.07 93.17 05:13:01 PM 5 24.95 0.00 2.29 0.80 0.07 71.89 05:13:01 PM 6 1.67 0.00 0.55 0.28 0.05 97.44 05:13:01 PM 7 9.92 0.00 1.44 0.90 0.05 87.69 05:14:01 PM all 29.30 0.00 1.76 1.11 0.10 67.74 05:14:01 PM 0 27.77 0.00 1.39 0.62 0.08 70.14 05:14:01 PM 1 24.91 0.00 1.49 1.14 0.10 72.36 05:14:01 PM 2 25.55 0.00 2.04 1.12 0.10 71.18 05:14:01 PM 3 40.33 0.00 1.42 0.28 0.10 57.86 05:14:01 PM 4 34.76 0.00 1.64 0.82 0.10 62.68 05:14:01 PM 5 25.72 0.00 2.53 3.58 0.10 68.07 05:14:01 PM 6 29.46 0.00 2.04 0.74 0.08 67.68 05:14:01 PM 7 25.85 0.00 1.49 0.55 0.10 72.00 05:15:01 PM all 17.54 0.00 2.74 0.79 0.08 78.85 05:15:01 PM 0 18.37 0.00 2.85 0.55 0.08 78.15 05:15:01 PM 1 13.69 0.00 3.46 1.71 0.08 81.05 05:15:01 PM 2 9.21 0.00 2.30 1.11 0.10 87.28 05:15:01 PM 3 22.23 0.00 2.35 0.89 0.07 74.46 05:15:01 PM 4 15.55 0.00 3.10 0.22 0.07 81.06 05:15:01 PM 5 18.25 0.00 2.21 0.55 0.07 78.92 05:15:01 PM 6 17.51 0.00 2.28 0.39 0.08 79.73 05:15:01 PM 7 25.48 0.00 3.37 0.91 0.07 70.17 Average: all 19.66 0.00 1.90 0.82 0.08 77.55 Average: 0 17.97 0.00 1.68 0.42 0.08 79.85 Average: 1 17.39 0.00 1.85 1.04 0.08 79.63 Average: 2 19.62 0.00 2.07 0.87 0.09 77.34 Average: 3 24.43 0.00 1.57 0.60 0.07 73.33 Average: 4 18.26 0.00 1.95 0.73 0.08 78.97 Average: 5 22.98 0.00 2.34 1.64 0.08 72.96 Average: 6 16.21 0.00 1.62 0.47 0.07 81.62 Average: 7 20.40 0.00 2.10 0.79 0.07 76.64