---> uname -a: Linux prd-centos8-docker-4c-4g-3573.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: 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 802 12050 20 2908 14620 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:97:cd:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.225/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fe97:cd80/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:33:25:84:08 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) 09/21/2026 _x86_64_ (4 CPU) 01:25:45 LINUX RESTART (4 CPU) 01:26:01 AM tps rtps wtps bread/s bwrtn/s 01:27:01 AM 229.39 38.43 190.95 7580.23 19238.46 01:28:01 AM 264.46 18.58 245.88 4024.93 15393.82 01:29:01 AM 50.15 2.42 47.73 236.05 8739.84 Average: 181.34 19.81 161.53 3947.27 14457.64 01:26:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:27:01 AM 13332312 15115012 2807004 17.39 2688 1998968 1162132 6.76 137660 2313380 172480 01:28:01 AM 11813764 14183156 4325552 26.80 2688 2571308 1978788 11.51 222224 3679444 245456 01:29:01 AM 11117784 13497948 5021532 31.11 2688 2581660 2605368 15.16 249980 4340304 912 Average: 12087953 14265372 4051363 25.10 2688 2383979 1915429 11.14 203288 3444376 139616 01:26:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM eth0 326.92 214.43 1757.33 72.32 0.00 0.00 0.00 0.00 01:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM eth0 403.62 311.65 4875.20 57.83 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM lo 24.83 24.83 5.04 5.04 0.00 0.00 0.00 0.00 01:29:01 AM eth0 33.66 25.37 12.86 20.22 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 Average: lo 8.27 8.27 1.68 1.68 0.00 0.00 0.00 0.00 Average: eth0 254.73 183.82 2215.10 50.12 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) 09/21/2026 _x86_64_ (4 CPU) 01:25:45 LINUX RESTART (4 CPU) 01:26:01 AM CPU %user %nice %system %iowait %steal %idle 01:27:01 AM all 24.25 0.00 3.58 2.71 0.01 69.44 01:27:01 AM 0 28.38 0.00 3.79 1.77 0.02 66.04 01:27:01 AM 1 18.02 0.00 3.38 1.49 0.02 77.10 01:27:01 AM 2 31.72 0.00 3.57 2.31 0.02 62.38 01:27:01 AM 3 18.92 0.00 3.58 5.29 0.00 72.22 01:28:01 AM all 41.86 0.00 3.38 1.33 0.02 53.41 01:28:01 AM 0 45.45 0.00 2.59 1.17 0.02 50.78 01:28:01 AM 1 42.98 0.00 3.96 1.10 0.02 51.94 01:28:01 AM 2 39.90 0.00 2.80 1.72 0.02 55.56 01:28:01 AM 3 39.09 0.00 4.17 1.34 0.03 55.36 01:29:01 AM all 33.10 0.00 0.91 0.23 0.01 65.75 01:29:01 AM 0 21.87 0.00 1.39 0.59 0.00 76.16 01:29:01 AM 1 40.41 0.00 0.53 0.00 0.02 59.04 01:29:01 AM 2 38.42 0.00 0.63 0.13 0.03 60.77 01:29:01 AM 3 31.68 0.00 1.07 0.18 0.00 67.07 Average: all 33.07 0.00 2.62 1.42 0.02 62.87 Average: 0 31.90 0.00 2.59 1.18 0.01 64.32 Average: 1 33.81 0.00 2.62 0.86 0.02 62.69 Average: 2 36.69 0.00 2.33 1.39 0.02 59.57 Average: 3 29.89 0.00 2.94 2.27 0.01 64.89