---> uname -a: Linux prd-centos8-docker-4c-4g-4040.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 776 12166 19 2820 14652 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:4f:c3:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.127/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86159sec preferred_lft 86159sec inet6 fe80::f816:3eff:fe4f:c357/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:87:6c:35:38 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/06/2026 _x86_64_ (4 CPU) 01:27:38 LINUX RESTART (4 CPU) 01:28:01 AM tps rtps wtps bread/s bwrtn/s 01:29:01 AM 280.76 18.38 262.38 4134.64 8504.28 01:30:01 AM 275.72 20.51 255.21 4246.05 19477.46 01:31:01 AM 30.34 0.52 29.82 16.53 1790.40 Average: 195.61 13.13 182.47 2799.07 9924.05 01:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:29:01 AM 13220000 15048920 2921532 18.10 2688 2040644 1143884 6.65 146160 2410388 224240 01:30:01 AM 11659548 13952244 4481984 27.77 2688 2496004 2169216 12.62 242948 3821952 40304 01:31:01 AM 12033444 14401620 4108088 25.45 2688 2570868 1826380 10.62 284428 3409292 73896 Average: 12304331 14467595 3837201 23.77 2688 2369172 1713160 9.97 224512 3213877 112813 01:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM eth0 330.19 193.34 1855.48 70.72 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM lo 3.90 3.90 0.41 0.41 0.00 0.00 0.00 0.00 01:30:01 AM eth0 550.88 331.12 4780.93 103.63 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 AM lo 25.41 25.41 5.69 5.69 0.00 0.00 0.00 0.00 01:31:01 AM eth0 36.95 31.96 230.58 20.35 0.00 0.00 0.00 0.00 01:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.77 9.77 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 306.01 185.47 2289.00 64.90 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/06/2026 _x86_64_ (4 CPU) 01:27:38 LINUX RESTART (4 CPU) 01:28:01 AM CPU %user %nice %system %iowait %steal %idle 01:29:01 AM all 23.21 0.00 2.81 1.29 0.09 72.60 01:29:01 AM 0 16.41 0.00 3.34 2.63 0.09 77.54 01:29:01 AM 1 36.77 0.00 4.16 0.69 0.09 58.30 01:29:01 AM 2 21.27 0.00 2.48 1.32 0.09 74.85 01:29:01 AM 3 18.31 0.00 1.22 0.52 0.09 79.86 01:30:01 AM all 53.34 0.00 2.79 1.50 0.10 42.27 01:30:01 AM 0 60.27 0.00 1.24 0.40 0.08 38.01 01:30:01 AM 1 57.06 0.00 3.21 1.29 0.10 38.35 01:30:01 AM 2 37.98 0.00 4.34 3.23 0.10 54.35 01:30:01 AM 3 58.03 0.00 2.40 1.09 0.10 38.38 01:31:01 AM all 18.11 0.00 0.89 0.14 0.07 80.80 01:31:01 AM 0 21.79 0.00 0.78 0.03 0.08 77.30 01:31:01 AM 1 15.89 0.00 1.19 0.05 0.05 82.83 01:31:01 AM 2 19.85 0.00 1.00 0.12 0.07 78.96 01:31:01 AM 3 14.90 0.00 0.57 0.35 0.07 84.11 Average: all 31.63 0.00 2.15 0.97 0.08 65.16 Average: 0 32.96 0.00 1.77 1.01 0.08 64.18 Average: 1 36.57 0.00 2.84 0.67 0.08 59.84 Average: 2 26.41 0.00 2.61 1.56 0.08 69.34 Average: 3 30.56 0.00 1.40 0.66 0.08 67.31