---> uname -a: Linux prd-centos8-docker-4c-4g-1251.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: 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): 0-3 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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 770 12218 19 2773 14657 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:c8:07:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.229/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86116sec preferred_lft 86116sec inet6 fe80::f816:3eff:fec8:7f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3d:56:21:fb 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) 03/03/2026 _x86_64_ (4 CPU) 13:22:54 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 198.67 14.85 183.82 3195.87 11635.72 01:26:01 PM 155.89 6.17 149.73 1055.02 12891.37 01:27:01 PM 28.85 0.50 28.35 17.06 722.43 Average: 127.80 7.17 120.63 1422.75 8416.69 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12883080 14864488 3258452 20.19 2688 2188828 1317548 7.66 183528 2682960 123156 01:26:01 PM 11498104 13745836 4643428 28.77 2688 2451004 2418256 14.07 249420 3978668 8572 01:27:01 PM 12519880 15007576 3621652 22.44 2688 2689604 1174644 6.83 344380 2864760 246324 Average: 12300355 14539300 3841177 23.80 2688 2443145 1636816 9.52 259109 3175463 126017 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 136.77 111.96 1503.85 29.13 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 12.01 12.01 3.45 3.45 0.00 0.00 0.00 0.00 01:26:01 PM eth0 357.87 232.99 3704.76 47.23 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 16.91 16.91 2.63 2.63 0.00 0.00 0.00 0.00 01:27:01 PM eth0 47.36 40.73 266.68 19.13 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.64 9.64 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 180.67 128.56 1825.08 31.83 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) 03/03/2026 _x86_64_ (4 CPU) 13:22:54 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 24.74 0.00 2.47 2.84 0.10 69.85 01:25:01 PM 0 16.62 0.00 2.52 3.06 0.10 77.71 01:25:01 PM 1 18.24 0.00 1.54 1.17 0.10 78.95 01:25:01 PM 2 41.66 0.00 3.31 3.68 0.12 51.23 01:25:01 PM 3 22.45 0.00 2.51 3.45 0.08 71.51 01:26:01 PM all 50.67 0.00 1.88 2.27 0.13 45.05 01:26:01 PM 0 43.69 0.00 2.21 2.06 0.12 51.92 01:26:01 PM 1 60.23 0.00 0.99 1.64 0.13 37.01 01:26:01 PM 2 49.46 0.00 1.36 2.86 0.12 46.20 01:26:01 PM 3 49.29 0.00 2.95 2.53 0.13 45.10 01:27:01 PM all 14.01 0.00 1.06 0.17 0.08 84.68 01:27:01 PM 0 17.56 0.00 1.08 0.05 0.07 81.24 01:27:01 PM 1 12.09 0.00 1.04 0.15 0.07 86.65 01:27:01 PM 2 14.70 0.00 0.79 0.02 0.12 84.38 01:27:01 PM 3 11.70 0.00 1.32 0.45 0.07 86.46 Average: all 29.80 0.00 1.80 1.76 0.10 66.54 Average: 0 25.93 0.00 1.94 1.72 0.09 70.32 Average: 1 30.19 0.00 1.19 0.99 0.10 67.54 Average: 2 35.26 0.00 1.82 2.19 0.12 60.62 Average: 3 27.80 0.00 2.26 2.14 0.09 67.70