---> uname -a: Linux prd-centos8-docker-4c-4g-1087.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): 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 804 12043 19 2913 14619 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:e0:1e:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.131/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86153sec preferred_lft 86153sec inet6 fe80::f816:3eff:fee0:1ec1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:22:ea:46:a1 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/20/2026 _x86_64_ (4 CPU) 03:04:18 LINUX RESTART (4 CPU) 03:05:03 AM tps rtps wtps bread/s bwrtn/s 03:06:01 AM 169.66 15.29 154.37 3315.70 10825.96 03:07:01 AM 202.43 6.23 196.20 1056.49 17643.18 03:08:01 AM 30.22 0.85 29.37 67.04 676.56 Average: 133.70 7.37 126.33 1459.04 9702.25 03:05:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 AM 12816572 14925784 3322748 20.59 2688 2315596 1478364 8.60 180852 2747256 234920 03:07:01 AM 11013296 13399332 5126024 31.76 2688 2586704 2790380 16.23 249900 4446252 2384 03:08:01 AM 12359812 14996136 3779508 23.42 2688 2835128 1196884 6.96 522048 2831436 264548 Average: 12063227 14440417 4076093 25.26 2688 2579143 1821876 10.60 317600 3341648 167284 03:05:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:06:01 AM eth0 194.38 137.51 2108.67 25.04 0.00 0.00 0.00 0.00 03:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:07:01 AM lo 12.56 12.56 3.51 3.51 0.00 0.00 0.00 0.00 03:07:01 AM eth0 308.80 221.30 3786.07 51.36 0.00 0.00 0.00 0.00 03:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:08:01 AM lo 15.93 15.93 2.54 2.54 0.00 0.00 0.00 0.00 03:08:01 AM eth0 58.01 51.48 274.12 22.79 0.00 0.00 0.00 0.00 03:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.60 9.60 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 186.97 136.75 2055.60 33.15 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/20/2026 _x86_64_ (4 CPU) 03:04:18 LINUX RESTART (4 CPU) 03:05:03 AM CPU %user %nice %system %iowait %steal %idle 03:06:01 AM all 22.85 0.00 2.18 0.84 0.08 74.05 03:06:01 AM 0 19.48 0.00 2.04 1.24 0.09 77.15 03:06:01 AM 1 17.80 0.00 1.69 0.81 0.09 79.61 03:06:01 AM 2 37.11 0.00 3.29 0.66 0.09 58.86 03:06:01 AM 3 17.00 0.00 1.71 0.66 0.07 80.56 03:07:01 AM all 52.34 0.00 2.04 1.02 0.10 44.50 03:07:01 AM 0 59.62 0.00 1.60 0.65 0.08 38.04 03:07:01 AM 1 62.47 0.00 1.08 0.72 0.10 35.63 03:07:01 AM 2 36.68 0.00 3.47 1.87 0.12 57.87 03:07:01 AM 3 50.54 0.00 2.02 0.84 0.10 46.51 03:08:01 AM all 15.69 0.00 1.26 0.10 0.07 82.88 03:08:01 AM 0 12.05 0.00 1.29 0.05 0.07 86.54 03:08:01 AM 1 20.23 0.00 1.17 0.05 0.07 78.49 03:08:01 AM 2 11.31 0.00 1.49 0.22 0.07 86.92 03:08:01 AM 3 19.17 0.00 1.10 0.07 0.08 79.58 Average: all 30.37 0.00 1.82 0.65 0.08 67.07 Average: 0 30.50 0.00 1.64 0.64 0.08 67.14 Average: 1 33.69 0.00 1.31 0.52 0.08 64.39 Average: 2 28.26 0.00 2.74 0.92 0.09 67.99 Average: 3 29.04 0.00 1.61 0.52 0.08 68.75