---> uname -a: Linux prd-centos8-docker-8c-8g-2368.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 1078 26366 19 4443 30340 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:b1:7d:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.249/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86113sec preferred_lft 86113sec inet6 fe80::f816:3eff:feb1:7d46/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9e:06:cf:06 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::42:9eff:fe06:cf06/64 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) 06/25/2026 _x86_64_ (8 CPU) 02:29:00 LINUX RESTART (8 CPU) 02:30:02 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 193.26 17.03 176.23 3362.93 9555.10 02:32:01 AM 190.63 3.97 186.67 1111.55 20463.29 02:33:01 AM 134.02 15.26 118.76 5439.41 28663.45 Average: 172.52 12.06 160.46 3304.55 19616.95 02:30:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28900164 30942032 3753208 11.49 2688 2355540 1645684 4.88 194636 3084268 270312 02:32:01 AM 26718704 29784580 5934668 18.17 2688 3369808 2684544 7.97 274364 5139688 692412 02:33:01 AM 26982016 31039940 5671356 17.37 2688 4345704 1554244 4.61 736940 4360116 716268 Average: 27533628 30588851 5119744 15.68 2688 3357017 1961491 5.82 401980 4194691 559664 02:30:02 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 221.38 168.65 2107.54 49.39 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 1857.12 683.45 11353.92 65.29 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 11.86 11.86 1.26 1.26 0.00 0.00 0.00 0.00 02:33:01 AM eth0 125.39 103.48 1374.23 25.04 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.30 5.40 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 3.98 3.98 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 737.40 319.33 4960.52 46.55 0.00 0.00 0.00 0.00 Average: docker0 1.44 1.81 0.21 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) 06/25/2026 _x86_64_ (8 CPU) 02:29:00 LINUX RESTART (8 CPU) 02:30:02 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 13.92 0.00 1.27 0.51 0.06 84.24 02:31:01 AM 0 2.87 0.00 0.76 0.20 0.07 96.09 02:31:01 AM 1 23.18 0.00 1.61 0.31 0.08 74.82 02:31:01 AM 2 25.88 0.00 2.18 0.56 0.07 71.32 02:31:01 AM 3 14.12 0.00 0.87 0.49 0.07 84.45 02:31:01 AM 4 8.89 0.00 1.31 0.66 0.05 89.09 02:31:01 AM 5 11.96 0.00 1.31 0.80 0.05 85.88 02:31:01 AM 6 8.81 0.00 0.88 0.61 0.05 89.64 02:31:01 AM 7 15.67 0.00 1.21 0.48 0.05 82.60 02:32:01 AM all 28.05 0.00 1.73 0.66 0.09 69.47 02:32:01 AM 0 16.75 0.00 1.09 0.35 0.08 81.73 02:32:01 AM 1 28.50 0.00 2.33 1.26 0.10 67.80 02:32:01 AM 2 33.48 0.00 1.82 0.74 0.12 63.84 02:32:01 AM 3 31.40 0.00 2.17 1.07 0.08 65.27 02:32:01 AM 4 26.47 0.00 2.00 0.47 0.10 70.97 02:32:01 AM 5 34.19 0.00 1.37 0.67 0.08 63.68 02:32:01 AM 6 19.97 0.00 1.41 0.47 0.08 78.06 02:32:01 AM 7 33.69 0.00 1.65 0.24 0.08 64.34 02:33:01 AM all 21.34 0.26 2.87 0.68 0.09 74.76 02:33:01 AM 0 18.07 0.03 2.46 0.79 0.10 78.55 02:33:01 AM 1 24.22 0.00 3.58 2.17 0.10 69.93 02:33:01 AM 2 17.86 0.07 2.87 0.72 0.08 78.39 02:33:01 AM 3 30.20 0.03 2.75 0.18 0.08 66.75 02:33:01 AM 4 22.69 0.00 2.94 0.25 0.10 74.02 02:33:01 AM 5 19.37 0.00 2.17 0.50 0.10 77.86 02:33:01 AM 6 21.42 0.40 3.06 0.32 0.07 74.73 02:33:01 AM 7 16.91 1.58 3.12 0.49 0.07 77.84 Average: all 21.13 0.09 1.96 0.62 0.08 76.12 Average: 0 12.61 0.01 1.44 0.45 0.08 85.41 Average: 1 25.31 0.00 2.51 1.25 0.10 70.84 Average: 2 25.73 0.02 2.29 0.68 0.09 71.19 Average: 3 25.28 0.01 1.93 0.58 0.08 72.11 Average: 4 19.39 0.00 2.08 0.46 0.08 77.98 Average: 5 21.89 0.00 1.62 0.66 0.08 75.76 Average: 6 16.77 0.14 1.79 0.47 0.07 80.78 Average: 7 22.11 0.53 1.99 0.40 0.07 74.90