---> uname -a: Linux prd-centos8-docker-8c-8g-200.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: 2799.974 BogoMIPS: 5599.94 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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1409 27930 19 2549 30033 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:c1:a6:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.253/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fec1:a620/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0b:fb:d7:2e 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) 03/28/2026 _x86_64_ (8 CPU) 14:01:27 LINUX RESTART (8 CPU) 02:02:01 PM tps rtps wtps bread/s bwrtn/s 02:03:01 PM 191.20 2.67 188.54 329.28 10493.83 02:04:01 PM 116.99 1.87 115.13 910.90 11539.77 02:05:01 PM 47.80 1.97 45.83 60.11 5709.88 Average: 118.66 2.17 116.50 433.44 9247.76 02:02:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:03:01 PM 28151184 30055876 4504528 13.79 2688 2221828 2645652 7.85 165864 3877700 257036 02:04:01 PM 27258084 29350244 5397628 16.53 2688 2404004 3453708 10.25 222224 4687404 104900 02:05:01 PM 28636080 30778436 4019632 12.31 2688 2452632 1727968 5.13 444216 3086252 8136 Average: 28015116 30061519 4640596 14.21 2688 2359488 2609109 7.74 277435 3883785 123357 02:02:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:03:01 PM eth0 228.81 170.95 3248.95 44.28 0.00 0.00 0.00 0.00 02:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 PM lo 1.12 1.12 0.12 0.12 0.00 0.00 0.00 0.00 02:04:01 PM eth0 192.55 139.44 1757.44 28.70 0.00 0.00 0.00 0.00 02:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM eth0 289.17 201.23 673.04 142.72 0.00 0.00 0.00 0.00 02:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.37 0.37 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 236.85 170.54 1893.07 71.90 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) 03/28/2026 _x86_64_ (8 CPU) 14:01:27 LINUX RESTART (8 CPU) 02:02:01 PM CPU %user %nice %system %iowait %steal %idle 02:03:01 PM all 15.54 0.00 1.14 0.68 0.07 82.56 02:03:01 PM 0 12.39 0.00 0.90 0.37 0.07 86.27 02:03:01 PM 1 10.53 0.00 0.99 1.09 0.08 87.31 02:03:01 PM 2 27.45 0.00 1.35 0.37 0.07 70.77 02:03:01 PM 3 12.32 0.00 0.94 0.20 0.08 86.46 02:03:01 PM 4 20.73 0.00 1.55 0.50 0.05 77.16 02:03:01 PM 5 8.16 0.00 1.12 2.31 0.07 88.35 02:03:01 PM 6 22.70 0.00 1.89 0.53 0.07 74.82 02:03:01 PM 7 9.94 0.00 0.41 0.08 0.07 89.50 02:04:01 PM all 43.79 0.00 1.47 0.33 0.09 54.32 02:04:01 PM 0 44.70 0.00 1.25 0.28 0.10 53.67 02:04:01 PM 1 49.58 0.00 1.04 0.20 0.08 49.10 02:04:01 PM 2 47.79 0.00 1.35 0.57 0.08 50.21 02:04:01 PM 3 37.26 0.00 1.65 0.70 0.08 60.30 02:04:01 PM 4 39.79 0.00 1.25 0.40 0.08 58.48 02:04:01 PM 5 32.97 0.00 1.68 0.17 0.10 65.09 02:04:01 PM 6 44.54 0.00 1.62 0.17 0.08 53.59 02:04:01 PM 7 53.64 0.00 1.90 0.17 0.08 44.20 02:05:01 PM all 24.94 0.00 1.37 0.13 0.07 73.49 02:05:01 PM 0 17.95 0.00 1.05 0.00 0.10 80.90 02:05:01 PM 1 36.36 0.00 1.07 0.17 0.07 62.34 02:05:01 PM 2 18.12 0.00 1.25 0.07 0.07 80.49 02:05:01 PM 3 32.27 0.00 1.02 0.08 0.07 66.56 02:05:01 PM 4 31.70 0.00 1.97 0.08 0.07 66.18 02:05:01 PM 5 16.84 0.00 1.81 0.37 0.07 80.91 02:05:01 PM 6 12.43 0.00 1.67 0.12 0.07 85.71 02:05:01 PM 7 33.80 0.00 1.10 0.17 0.07 64.86 Average: all 28.10 0.00 1.33 0.38 0.08 70.11 Average: 0 25.07 0.00 1.07 0.22 0.09 73.55 Average: 1 32.17 0.00 1.03 0.48 0.08 66.24 Average: 2 31.11 0.00 1.32 0.33 0.07 67.16 Average: 3 27.28 0.00 1.20 0.33 0.08 71.11 Average: 4 30.74 0.00 1.59 0.33 0.07 67.27 Average: 5 19.32 0.00 1.53 0.95 0.08 78.12 Average: 6 26.56 0.00 1.73 0.27 0.07 71.37 Average: 7 32.54 0.00 1.14 0.14 0.07 66.11