---> uname -a: Linux prd-centos8-docker-4c-4g-11496.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 1645 10104 19 4010 13765 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:2b:cb:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.129/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86078sec preferred_lft 86078sec inet6 fe80::f816:3eff:fe2b:cb18/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8e:ef:f8:f3 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::42:8eff:feef:f8f3/64 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) 06/13/2026 _x86_64_ (4 CPU) 09:27:26 LINUX RESTART (4 CPU) 09:28:01 AM tps rtps wtps bread/s bwrtn/s 09:29:02 AM 182.69 5.08 177.61 475.31 11108.21 09:30:01 AM 244.73 2.54 242.19 841.48 30490.07 09:31:01 AM 1096.15 95.12 1001.03 1716.89 39159.58 09:32:01 AM 62.34 25.05 37.29 461.79 1954.21 Average: 397.13 32.07 365.06 874.02 20637.76 09:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:02 AM 12557552 14666772 3581768 22.19 2688 2314740 1609836 9.37 164512 3019136 313964 09:30:01 AM 11418652 14237280 4720668 29.25 2688 3008820 2109880 12.28 363640 3890504 166868 09:31:01 AM 9741024 13406900 6398296 39.64 2688 3654484 2016144 11.73 414472 5075808 6756 09:32:01 AM 10429212 14169448 5710108 35.38 2688 3725644 1717564 9.99 520136 4297588 37196 Average: 11036610 14120100 5102710 31.62 2688 3175922 1863356 10.84 365690 4070759 131196 09:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:29:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:02 AM eth0 233.67 182.56 3435.99 33.13 0.00 0.00 0.00 0.00 09:29:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM lo 6.25 6.25 4.63 4.63 0.00 0.00 0.00 0.00 09:30:01 AM eth0 306.35 244.53 5126.69 40.10 0.00 0.00 0.00 0.00 09:30:01 AM docker0 3.30 3.17 4.15 0.46 0.00 0.00 0.00 0.00 09:30:01 AM vethc1174da 0.15 0.44 0.01 0.04 0.00 0.00 0.00 0.00 09:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM eth0 170.29 106.83 1517.61 16.40 0.00 0.00 0.00 0.00 09:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 202.85 132.81 403.81 181.79 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.54 1.54 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 227.97 166.36 2610.64 67.97 0.00 0.00 0.00 0.00 Average: docker0 0.82 0.78 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) 06/13/2026 _x86_64_ (4 CPU) 09:27:26 LINUX RESTART (4 CPU) 09:28:01 AM CPU %user %nice %system %iowait %steal %idle 09:29:02 AM all 24.68 0.00 2.20 0.96 0.08 72.08 09:29:02 AM 0 25.73 0.00 1.54 0.48 0.08 72.16 09:29:02 AM 1 20.25 0.00 2.06 1.04 0.10 76.56 09:29:02 AM 2 21.27 0.00 1.81 0.82 0.08 76.02 09:29:02 AM 3 31.45 0.00 3.38 1.51 0.07 63.59 09:30:01 AM all 45.44 0.09 3.36 1.45 0.10 49.56 09:30:01 AM 0 47.65 0.02 3.17 1.64 0.10 47.42 09:30:01 AM 1 48.17 0.22 2.82 1.14 0.09 47.57 09:30:01 AM 2 48.24 0.03 3.55 1.57 0.10 46.50 09:30:01 AM 3 37.71 0.09 3.90 1.45 0.10 56.76 09:31:01 AM all 28.26 0.00 9.66 7.74 0.11 54.24 09:31:01 AM 0 20.96 0.00 9.98 9.28 0.10 59.67 09:31:01 AM 1 23.68 0.00 10.31 8.34 0.12 57.55 09:31:01 AM 2 51.42 0.00 9.53 6.26 0.10 32.70 09:31:01 AM 3 16.93 0.00 8.81 7.08 0.10 67.07 09:32:01 AM all 46.60 0.00 2.14 0.43 0.09 50.75 09:32:01 AM 0 58.19 0.00 2.29 0.50 0.10 38.92 09:32:01 AM 1 53.96 0.00 1.94 0.53 0.08 43.48 09:32:01 AM 2 25.18 0.00 1.92 0.22 0.10 72.58 09:32:01 AM 3 49.06 0.00 2.41 0.45 0.08 48.00 Average: all 36.23 0.02 4.32 2.63 0.09 56.70 Average: 0 38.16 0.00 4.23 2.96 0.10 54.56 Average: 1 36.51 0.05 4.26 2.75 0.10 56.33 Average: 2 36.42 0.01 4.19 2.20 0.10 57.08 Average: 3 33.83 0.02 4.61 2.61 0.09 58.84