---> uname -a: Linux prd-centos8-docker-8c-8g-3849.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 1055 26478 19 4356 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:86:f7:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.153/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86127sec preferred_lft 86127sec inet6 fe80::f816:3eff:fe86:f7dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4d:21:b7:c3 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::42:4dff:fe21:b7c3/64 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) 04/05/2026 _x86_64_ (8 CPU) 02:28:52 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 269.63 16.69 252.94 3304.08 14034.83 02:32:01 AM 142.16 4.35 137.81 1494.68 39009.70 02:33:01 AM 114.30 17.11 97.18 5134.56 26185.85 Average: 175.37 12.72 162.65 3311.21 26408.74 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28645164 30851232 4010548 12.28 2688 2519276 1871268 5.55 205192 3323428 284828 02:32:01 AM 26220548 29327216 6435164 19.71 2688 3402480 4983300 14.79 388828 5486068 264 02:33:01 AM 27093296 31075232 5562416 17.03 2688 4271772 1505132 4.47 884368 4117284 7504 Average: 27319669 30417893 5336043 16.34 2688 3397843 2786567 8.27 492796 4308927 97532 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 521.26 399.35 5798.23 68.95 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 1364.06 354.92 7346.84 31.97 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 02:32:01 AM vethd7ac707 0.00 0.18 0.00 0.02 0.00 0.00 0.00 0.00 02:33:01 AM lo 11.80 11.80 1.26 1.26 0.00 0.00 0.00 0.00 02:33:01 AM eth0 150.72 150.75 1389.81 1253.18 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.27 5.23 0.61 0.61 0.00 0.00 0.00 0.00 Average: lo 3.93 3.93 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 678.63 301.68 4844.88 451.37 0.00 0.00 0.00 0.00 Average: docker0 1.42 1.77 0.20 0.21 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) 04/05/2026 _x86_64_ (8 CPU) 02:28:52 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 14.45 0.00 1.46 1.58 0.07 82.45 02:31:01 AM 0 15.73 0.00 1.55 1.35 0.07 81.30 02:31:01 AM 1 20.20 0.00 1.89 0.94 0.07 76.91 02:31:01 AM 2 9.23 0.00 1.46 1.47 0.07 87.78 02:31:01 AM 3 10.52 0.00 1.32 1.81 0.07 86.29 02:31:01 AM 4 15.47 0.00 1.29 0.97 0.05 82.23 02:31:01 AM 5 21.38 0.00 1.52 0.89 0.07 76.14 02:31:01 AM 6 11.20 0.00 1.04 0.20 0.07 87.49 02:31:01 AM 7 11.84 0.00 1.61 4.99 0.08 81.47 02:32:01 AM all 25.88 0.00 2.25 0.74 0.08 71.05 02:32:01 AM 0 19.03 0.00 2.68 0.77 0.10 77.42 02:32:01 AM 1 25.71 0.00 2.44 1.26 0.08 70.50 02:32:01 AM 2 22.26 0.00 2.42 0.32 0.08 74.92 02:32:01 AM 3 27.62 0.00 2.17 0.30 0.07 69.84 02:32:01 AM 4 11.95 0.00 1.85 0.49 0.07 85.64 02:32:01 AM 5 33.52 0.00 1.95 1.26 0.08 63.19 02:32:01 AM 6 42.09 0.00 2.70 0.54 0.08 54.59 02:32:01 AM 7 24.85 0.00 1.77 0.98 0.07 72.34 02:33:01 AM all 19.94 0.27 2.24 0.81 0.07 76.67 02:33:01 AM 0 18.74 0.05 2.61 0.30 0.08 78.21 02:33:01 AM 1 24.36 0.05 2.38 0.30 0.08 72.82 02:33:01 AM 2 23.15 0.03 2.30 1.78 0.07 72.67 02:33:01 AM 3 22.47 0.00 2.46 0.77 0.08 74.22 02:33:01 AM 4 16.86 0.00 1.62 0.48 0.07 80.97 02:33:01 AM 5 19.71 0.05 2.28 0.50 0.07 77.40 02:33:01 AM 6 17.81 0.00 1.96 0.84 0.07 79.32 02:33:01 AM 7 16.43 1.98 2.31 1.49 0.07 77.72 Average: all 20.08 0.09 1.98 1.04 0.07 76.73 Average: 0 17.83 0.02 2.28 0.81 0.08 78.98 Average: 1 23.42 0.02 2.24 0.83 0.08 73.42 Average: 2 18.20 0.01 2.06 1.19 0.07 78.46 Average: 3 20.19 0.00 1.98 0.96 0.07 76.79 Average: 4 14.76 0.00 1.59 0.65 0.06 82.94 Average: 5 24.86 0.02 1.91 0.88 0.07 72.26 Average: 6 23.69 0.00 1.90 0.53 0.07 73.81 Average: 7 17.70 0.66 1.90 2.49 0.07 77.18