---> uname -a: Linux prd-centos8-docker-8c-8g-4593.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: 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: 31888 1041 27435 19 3410 30382 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:d7:e9:af brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.165/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fed7:e9af/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:18:3f:b4:74 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) 05/28/2026 _x86_64_ (8 CPU) 19:33:05 LINUX RESTART (8 CPU) 07:34:01 PM tps rtps wtps bread/s bwrtn/s 07:35:01 PM 298.57 16.83 281.74 3269.84 20458.43 07:36:01 PM 215.41 2.20 213.21 782.54 13548.81 07:37:01 PM 147.76 4.55 143.21 448.36 18789.69 Average: 220.58 7.86 212.72 1500.34 17599.13 07:34:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:35:01 PM 28539196 30775916 4114176 12.60 2688 2542188 1858432 5.51 203652 3399668 145652 07:36:01 PM 26835520 29734092 5817852 17.82 2688 3195288 3238836 9.61 266900 5005264 437304 07:37:01 PM 28105808 31120784 4547564 13.93 2688 3306800 1432260 4.25 533080 3451704 46280 Average: 27826841 30543597 4826531 14.78 2688 3014759 2176509 6.46 334544 3952212 209745 07:34:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:35:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:01 PM eth0 285.07 228.54 3320.06 37.63 0.00 0.00 0.00 0.00 07:35:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:36:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:36:01 PM eth0 551.64 367.84 9186.57 62.85 0.00 0.00 0.00 0.00 07:36:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:37:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:37:01 PM eth0 234.23 167.32 1069.68 321.42 0.00 0.00 0.00 0.00 07:37:01 PM docker0 0.00 0.00 0.00 0.00 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 356.98 254.57 4525.37 140.63 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) 05/28/2026 _x86_64_ (8 CPU) 19:33:05 LINUX RESTART (8 CPU) 07:34:01 PM CPU %user %nice %system %iowait %steal %idle 07:35:01 PM all 11.55 0.00 1.32 0.94 0.06 86.13 07:35:01 PM 0 20.49 0.00 2.44 1.65 0.07 75.35 07:35:01 PM 1 7.03 0.00 1.10 0.89 0.05 90.93 07:35:01 PM 2 9.29 0.00 1.21 1.19 0.07 88.25 07:35:01 PM 3 14.13 0.00 0.97 1.24 0.07 83.60 07:35:01 PM 4 16.69 0.00 1.03 0.45 0.05 81.78 07:35:01 PM 5 6.24 0.00 1.32 1.20 0.05 91.19 07:35:01 PM 6 7.85 0.00 0.94 0.38 0.05 90.78 07:35:01 PM 7 10.64 0.00 1.57 0.55 0.05 87.18 07:36:01 PM all 22.71 0.00 1.77 0.57 0.08 74.87 07:36:01 PM 0 21.30 0.00 1.34 0.92 0.07 76.38 07:36:01 PM 1 38.10 0.00 1.62 0.57 0.10 59.61 07:36:01 PM 2 22.35 0.00 1.84 0.60 0.08 75.13 07:36:01 PM 3 14.58 0.00 2.62 0.28 0.07 82.44 07:36:01 PM 4 34.65 0.00 2.34 0.43 0.08 62.50 07:36:01 PM 5 8.73 0.00 0.97 0.38 0.07 89.85 07:36:01 PM 6 10.91 0.00 1.41 0.65 0.07 86.96 07:36:01 PM 7 31.03 0.00 1.99 0.72 0.10 66.17 07:37:01 PM all 31.90 0.00 2.05 0.46 0.07 65.52 07:37:01 PM 0 34.18 0.00 2.64 0.18 0.10 62.90 07:37:01 PM 1 42.08 0.00 2.74 0.97 0.08 54.13 07:37:01 PM 2 46.28 0.00 2.89 0.45 0.08 50.29 07:37:01 PM 3 21.19 0.00 1.94 1.07 0.07 75.73 07:37:01 PM 4 33.39 0.00 1.12 0.07 0.07 65.36 07:37:01 PM 5 11.67 0.00 1.89 0.03 0.05 86.36 07:37:01 PM 6 26.68 0.00 1.40 0.35 0.07 71.50 07:37:01 PM 7 39.66 0.00 1.80 0.53 0.07 57.93 Average: all 22.05 0.00 1.71 0.66 0.07 75.51 Average: 0 25.32 0.00 2.14 0.92 0.08 71.55 Average: 1 29.07 0.00 1.82 0.81 0.08 68.22 Average: 2 25.99 0.00 1.98 0.75 0.08 71.21 Average: 3 16.63 0.00 1.84 0.86 0.07 80.59 Average: 4 28.23 0.00 1.50 0.32 0.07 69.88 Average: 5 8.88 0.00 1.39 0.54 0.06 89.13 Average: 6 15.15 0.00 1.25 0.46 0.06 83.08 Average: 7 27.11 0.00 1.79 0.60 0.07 70.43