---> uname -a: Linux prd-centos8-docker-4c-4g-3746.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 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1023 10813 19 3923 14387 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:fe:10:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.35/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86109sec preferred_lft 86109sec inet6 fe80::f816:3eff:fefe:102d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:45:ee:bc:57 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:feee:bc57/64 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) 08/03/2026 _x86_64_ (4 CPU) 12:25:54 LINUX RESTART (4 CPU) 12:26:01 PM tps rtps wtps bread/s bwrtn/s 12:27:01 PM 301.38 125.81 175.57 13928.34 42217.91 12:28:01 PM 269.07 6.45 262.62 1175.80 22823.21 12:29:01 PM 344.84 1.92 342.92 83.44 33892.07 12:30:01 PM 737.85 94.69 643.16 1694.22 18786.94 Average: 413.30 57.22 356.09 4220.47 29429.87 12:26:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:27:01 PM 13336884 15098544 2802436 17.36 2688 1977424 1110516 6.46 142612 2307612 174384 12:28:01 PM 11454596 13687760 4684724 29.03 2688 2434324 2794308 16.26 209260 4049096 80 12:29:01 PM 10410200 13881512 5729120 35.50 2688 3525732 1842192 10.72 353224 4639304 309784 12:30:01 PM 9242152 12853572 6897168 42.74 2688 3600196 1950628 11.35 403412 5589384 16888 Average: 11110958 13880347 5028362 31.16 2688 2884419 1924411 11.20 277127 4146349 125284 12:26:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:27:01 PM eth0 384.21 191.30 1838.55 69.07 0.00 0.00 0.00 0.00 12:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 12:28:01 PM eth0 333.63 267.27 3962.80 40.90 0.00 0.00 0.00 0.00 12:28:01 PM docker0 0.08 0.13 0.00 0.01 0.00 0.00 0.00 0.00 12:28:01 PM veth9bab0a6 0.08 0.17 0.01 0.02 0.00 0.00 0.00 0.00 12:29:01 PM lo 5.73 5.73 4.49 4.49 0.00 0.00 0.00 0.00 12:29:01 PM eth0 284.09 191.89 3981.15 32.25 0.00 0.00 0.00 0.00 12:29:01 PM docker0 3.28 3.12 4.08 0.45 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 8.86 2.93 61.79 0.68 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 Average: lo 1.47 1.47 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 252.68 163.34 2460.91 35.72 0.00 0.00 0.00 0.00 Average: docker0 0.84 0.81 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) 08/03/2026 _x86_64_ (4 CPU) 12:25:54 LINUX RESTART (4 CPU) 12:26:01 PM CPU %user %nice %system %iowait %steal %idle 12:27:01 PM all 25.25 0.00 4.53 3.93 0.09 66.19 12:27:01 PM 0 29.27 0.00 4.78 0.84 0.10 65.01 12:27:01 PM 1 17.42 0.00 3.55 3.89 0.07 75.07 12:27:01 PM 2 32.92 0.00 4.76 2.30 0.10 59.93 12:27:01 PM 3 21.38 0.00 5.05 8.73 0.08 64.77 12:28:01 PM all 37.88 0.00 2.48 2.66 0.10 56.89 12:28:01 PM 0 43.04 0.00 2.52 2.56 0.10 51.78 12:28:01 PM 1 38.67 0.00 1.86 1.81 0.12 57.56 12:28:01 PM 2 34.15 0.00 3.08 4.34 0.08 58.34 12:28:01 PM 3 35.63 0.00 2.46 1.93 0.10 59.88 12:29:01 PM all 35.86 0.10 8.62 5.11 0.11 50.19 12:29:01 PM 0 32.81 0.08 7.85 5.63 0.12 53.51 12:29:01 PM 1 28.56 0.17 8.68 5.43 0.10 57.06 12:29:01 PM 2 39.06 0.08 9.83 7.73 0.12 43.18 12:29:01 PM 3 43.00 0.05 8.13 1.65 0.12 47.06 12:30:01 PM all 33.94 0.00 3.81 7.63 0.12 54.50 12:30:01 PM 0 27.85 0.00 3.64 7.17 0.12 61.22 12:30:01 PM 1 59.51 0.00 5.51 11.56 0.13 23.29 12:30:01 PM 2 21.30 0.00 3.62 8.23 0.12 66.73 12:30:01 PM 3 27.16 0.00 2.47 3.59 0.10 66.69 Average: all 33.23 0.02 4.85 4.83 0.11 56.96 Average: 0 33.24 0.02 4.69 4.04 0.11 57.90 Average: 1 36.06 0.04 4.88 5.67 0.11 53.25 Average: 2 31.84 0.02 5.31 5.64 0.11 57.08 Average: 3 31.77 0.01 4.51 3.97 0.10 59.63