---> uname -a: Linux prd-centos8-docker-8c-8g-4152.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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1050 26395 19 4441 30369 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:47:03:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.62/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86109sec preferred_lft 86109sec inet6 fe80::f816:3eff:fe47:3b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:55:ec:bf:75 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::42:55ff:feec:bf75/64 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) 07/01/2026 _x86_64_ (8 CPU) 02:28:55 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 214.43 16.61 197.82 3198.67 12808.13 02:32:01 AM 171.41 4.05 167.36 1115.76 17845.52 02:33:01 AM 137.42 17.71 119.71 5562.15 29111.43 Average: 174.42 12.79 161.63 3292.20 19922.09 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28919008 30965912 3734364 11.44 2688 2360080 1593464 4.73 194956 3059932 173116 02:32:01 AM 26634188 29791832 6019184 18.43 2688 3452344 2641816 7.84 273216 5196628 761940 02:33:01 AM 27085548 31152396 5567824 17.05 2688 4354592 1510100 4.48 735780 4263304 698420 Average: 27546248 30636713 5107124 15.64 2688 3389005 1915127 5.68 401317 4173288 544492 02:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 231.01 184.90 2119.22 48.24 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1996.45 651.65 11301.15 60.92 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:33:01 AM lo 11.96 11.96 1.27 1.27 0.00 0.00 0.00 0.00 02:33:01 AM eth0 168.41 153.97 1391.74 1257.56 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.30 5.50 0.61 0.63 0.00 0.00 0.00 0.00 Average: lo 3.99 3.99 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 798.66 330.18 4937.53 455.59 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.83 0.20 0.21 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) 07/01/2026 _x86_64_ (8 CPU) 02:28:55 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 13.14 0.00 1.21 0.60 0.08 84.97 02:31:01 AM 0 14.53 0.00 1.19 0.42 0.08 83.78 02:31:01 AM 1 10.88 0.00 1.29 0.99 0.10 86.74 02:31:01 AM 2 19.78 0.00 1.19 0.30 0.10 78.63 02:31:01 AM 3 11.93 0.00 1.14 0.35 0.10 86.48 02:31:01 AM 4 14.96 0.00 1.79 0.48 0.07 82.70 02:31:01 AM 5 12.13 0.00 0.85 0.77 0.07 86.18 02:31:01 AM 6 7.07 0.00 0.89 0.84 0.05 91.16 02:31:01 AM 7 13.88 0.00 1.37 0.62 0.05 84.08 02:32:01 AM all 27.40 0.00 2.24 0.50 0.10 69.77 02:32:01 AM 0 32.51 0.00 2.07 0.07 0.10 65.25 02:32:01 AM 1 27.00 0.00 2.61 1.52 0.10 68.77 02:32:01 AM 2 19.14 0.00 2.41 0.79 0.10 77.56 02:32:01 AM 3 17.47 0.00 2.05 0.52 0.10 79.86 02:32:01 AM 4 21.53 0.00 2.96 0.79 0.10 74.62 02:32:01 AM 5 30.00 0.00 1.91 0.24 0.08 67.77 02:32:01 AM 6 32.21 0.00 1.92 0.03 0.08 65.75 02:32:01 AM 7 39.32 0.00 1.99 0.03 0.10 58.56 02:33:01 AM all 21.31 0.27 2.43 0.63 0.08 75.29 02:33:01 AM 0 19.44 0.64 2.61 0.40 0.07 76.84 02:33:01 AM 1 18.26 0.05 2.53 0.55 0.07 78.54 02:33:01 AM 2 21.58 0.05 1.77 0.84 0.10 75.65 02:33:01 AM 3 18.76 0.05 2.35 0.05 0.07 78.73 02:33:01 AM 4 19.48 0.39 2.11 0.67 0.07 77.29 02:33:01 AM 5 21.78 0.02 3.20 0.30 0.08 74.62 02:33:01 AM 6 26.17 0.00 2.47 0.42 0.08 70.87 02:33:01 AM 7 24.99 0.94 2.39 1.79 0.08 69.80 Average: all 20.60 0.09 1.96 0.57 0.08 76.70 Average: 0 22.14 0.21 1.96 0.30 0.08 75.32 Average: 1 18.69 0.02 2.14 1.02 0.09 78.04 Average: 2 20.17 0.02 1.79 0.64 0.10 77.28 Average: 3 16.05 0.02 1.84 0.31 0.09 81.70 Average: 4 18.64 0.13 2.29 0.65 0.08 78.21 Average: 5 21.27 0.01 1.98 0.44 0.08 76.22 Average: 6 21.78 0.00 1.76 0.43 0.07 75.96 Average: 7 26.03 0.31 1.92 0.82 0.08 70.84