---> uname -a: Linux prd-centos8-docker-4c-4g-5887.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1036 10800 20 3924 14374 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:17:33:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.49/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86116sec preferred_lft 86116sec inet6 fe80::f816:3eff:fe17:3394/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:45:27:e2:1e 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::42:45ff:fe27:e21e/64 scope link 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) 09/28/2026 _x86_64_ (4 CPU) 12:26:23 LINUX RESTART (4 CPU) 12:27:01 PM tps rtps wtps bread/s bwrtn/s 12:28:01 PM 158.06 2.13 155.93 323.92 10504.48 12:29:01 PM 249.41 6.20 243.21 955.71 28231.38 12:30:01 PM 1085.40 95.05 990.35 1697.30 39375.54 12:31:01 PM 61.99 23.87 38.11 475.90 1907.05 Average: 388.69 31.81 356.88 863.14 20002.72 12:27:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:28:01 PM 12712512 14744900 3426804 21.23 2688 2239652 1535912 8.94 155932 2873568 252252 12:29:01 PM 11345888 14166308 4793428 29.70 2688 3008320 2136472 12.43 351816 3964240 235132 12:30:01 PM 9783044 13377560 6356272 39.38 2688 3585248 1938448 11.28 402004 5048564 6768 12:31:01 PM 11088236 14745944 5051080 31.30 2688 3642880 1180996 6.87 622872 3530592 38692 Average: 11232420 14258678 4906896 30.40 2688 3119025 1697957 9.88 383156 3854241 133211 12:27:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM eth0 172.19 125.02 2268.11 22.33 0.00 0.00 0.00 0.00 12:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM lo 6.18 6.18 4.51 4.51 0.00 0.00 0.00 0.00 12:29:01 PM eth0 404.08 308.73 5429.23 45.36 0.00 0.00 0.00 0.00 12:29:01 PM docker0 3.25 3.03 4.08 0.44 0.00 0.00 0.00 0.00 12:29:01 PM veth360f648 0.13 0.42 0.01 0.03 0.00 0.00 0.00 0.00 12:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM eth0 140.34 105.11 1156.57 16.17 0.00 0.00 0.00 0.00 12:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM eth0 30.13 23.74 55.43 9.47 0.00 0.00 0.00 0.00 12:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.55 1.55 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 186.67 140.64 2227.11 23.33 0.00 0.00 0.00 0.00 Average: docker0 0.81 0.76 1.02 0.11 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) 09/28/2026 _x86_64_ (4 CPU) 12:26:23 LINUX RESTART (4 CPU) 12:27:01 PM CPU %user %nice %system %iowait %steal %idle 12:28:01 PM all 24.31 0.00 2.32 0.81 0.03 72.54 12:28:01 PM 0 30.36 0.00 2.75 0.70 0.03 66.15 12:28:01 PM 1 14.76 0.00 1.73 1.07 0.03 82.40 12:28:01 PM 2 27.17 0.00 2.09 0.49 0.02 70.24 12:28:01 PM 3 24.91 0.00 2.69 0.97 0.02 71.41 12:29:01 PM all 49.11 0.09 3.85 1.46 0.03 45.46 12:29:01 PM 0 52.48 0.05 3.38 1.50 0.03 42.56 12:29:01 PM 1 47.92 0.10 5.11 2.13 0.03 44.70 12:29:01 PM 2 43.37 0.17 4.33 1.29 0.03 50.81 12:29:01 PM 3 52.65 0.03 2.59 0.91 0.03 43.78 12:30:01 PM all 29.92 0.00 9.31 6.87 0.04 53.86 12:30:01 PM 0 24.64 0.00 9.53 6.47 0.03 59.33 12:30:01 PM 1 22.69 0.00 7.48 4.91 0.03 64.89 12:30:01 PM 2 51.10 0.00 10.78 9.78 0.05 28.29 12:30:01 PM 3 21.32 0.00 9.45 6.33 0.05 62.85 12:31:01 PM all 35.34 0.00 2.32 0.41 0.04 61.88 12:31:01 PM 0 48.08 0.00 2.89 0.62 0.03 48.38 12:31:01 PM 1 24.35 0.00 2.11 0.44 0.03 73.08 12:31:01 PM 2 32.63 0.00 1.84 0.37 0.05 65.12 12:31:01 PM 3 36.30 0.00 2.46 0.22 0.05 60.98 Average: all 34.67 0.02 4.43 2.37 0.04 58.47 Average: 0 38.92 0.01 4.62 2.31 0.03 54.11 Average: 1 27.42 0.03 4.10 2.13 0.03 66.29 Average: 2 38.51 0.04 4.74 2.95 0.04 53.72 Average: 3 33.83 0.01 4.27 2.09 0.04 59.76