---> uname -a: Linux prd-centos8-docker-8c-8g-7188.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 1065 26424 19 4400 30358 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:f2:9c:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.128/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86122sec preferred_lft 86122sec inet6 fe80::f816:3eff:fef2:9cf7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ff:2b:b1:5b 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:ffff:fe2b:b15b/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) 04/30/2026 _x86_64_ (8 CPU) 07:32:09 LINUX RESTART (8 CPU) 07:33:01 AM tps rtps wtps bread/s bwrtn/s 07:34:02 AM 190.25 14.45 175.81 3114.96 11416.94 07:35:01 AM 218.71 4.86 213.85 1145.70 19547.26 07:36:01 AM 247.21 16.36 230.85 5536.57 29429.32 Average: 218.73 11.93 206.80 3277.83 20134.99 07:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:34:02 AM 29188160 31104388 3467552 10.62 2688 2233568 1796836 5.33 186432 2820984 183124 07:35:01 AM 27112024 29771344 5543688 16.98 2688 2967920 2705952 8.03 311560 4728428 363416 07:36:01 AM 25992212 29934376 6663500 20.41 2688 4232432 2487752 7.38 749100 5342724 665956 Average: 27430799 30270036 5224913 16.00 2688 3144640 2330180 6.91 415697 4297379 404165 07:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:34:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:02 AM eth0 237.12 175.42 1975.12 41.31 0.00 0.00 0.00 0.00 07:34:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:01 AM eth0 1383.46 557.23 10665.25 57.80 0.00 0.00 0.00 0.00 07:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:36:01 AM lo 12.88 12.88 1.35 1.35 0.00 0.00 0.00 0.00 07:36:01 AM eth0 478.46 178.99 3295.78 32.18 0.00 0.00 0.00 0.00 07:36:01 AM docker0 4.78 5.91 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.32 4.32 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 695.81 302.45 5281.74 43.68 0.00 0.00 0.00 0.00 Average: docker0 1.60 1.98 0.22 0.23 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) 04/30/2026 _x86_64_ (8 CPU) 07:32:09 LINUX RESTART (8 CPU) 07:33:01 AM CPU %user %nice %system %iowait %steal %idle 07:34:02 AM all 12.13 0.00 1.34 0.56 0.06 85.91 07:34:02 AM 0 6.65 0.00 1.13 1.05 0.08 91.08 07:34:02 AM 1 16.65 0.00 2.19 0.62 0.08 80.45 07:34:02 AM 2 20.06 0.00 1.82 0.52 0.07 77.53 07:34:02 AM 3 9.27 0.00 1.39 0.77 0.05 88.52 07:34:02 AM 4 15.24 0.00 1.03 0.40 0.05 83.27 07:34:02 AM 5 13.58 0.00 1.39 0.68 0.07 84.29 07:34:02 AM 6 7.50 0.00 0.87 0.07 0.05 91.51 07:34:02 AM 7 8.08 0.00 0.92 0.38 0.05 90.57 07:35:01 AM all 31.98 0.00 1.59 0.67 0.09 65.68 07:35:01 AM 0 35.08 0.00 1.70 0.20 0.10 62.91 07:35:01 AM 1 42.74 0.00 1.91 0.63 0.09 54.64 07:35:01 AM 2 36.17 0.00 1.60 0.46 0.09 61.69 07:35:01 AM 3 31.52 0.00 1.62 0.87 0.07 65.92 07:35:01 AM 4 30.01 0.00 1.06 1.40 0.09 67.46 07:35:01 AM 5 37.63 0.00 1.46 0.51 0.09 60.31 07:35:01 AM 6 23.47 0.00 1.95 0.65 0.09 73.85 07:35:01 AM 7 19.16 0.00 1.43 0.63 0.09 78.69 07:36:01 AM all 25.73 0.32 3.33 0.89 0.11 69.63 07:36:01 AM 0 24.27 0.34 3.64 0.44 0.10 71.22 07:36:01 AM 1 19.77 0.03 3.45 1.55 0.13 75.06 07:36:01 AM 2 21.21 0.30 3.20 0.71 0.12 74.46 07:36:01 AM 3 36.70 0.02 3.50 0.76 0.10 58.93 07:36:01 AM 4 28.34 0.39 3.71 2.39 0.12 65.06 07:36:01 AM 5 25.17 0.07 2.60 0.22 0.10 71.84 07:36:01 AM 6 24.78 1.26 3.43 0.71 0.08 69.74 07:36:01 AM 7 25.55 0.12 3.09 0.35 0.12 70.77 Average: all 23.21 0.11 2.09 0.71 0.09 73.80 Average: 0 21.91 0.11 2.16 0.57 0.10 75.16 Average: 1 26.30 0.01 2.52 0.93 0.10 70.14 Average: 2 25.76 0.10 2.21 0.56 0.09 71.28 Average: 3 25.77 0.01 2.17 0.80 0.07 71.19 Average: 4 24.48 0.13 1.94 1.39 0.08 71.97 Average: 5 25.38 0.02 1.82 0.47 0.08 72.22 Average: 6 18.54 0.42 2.08 0.47 0.07 78.41 Average: 7 17.57 0.04 1.81 0.45 0.08 80.04