---> uname -a: Linux prd-centos8-docker-4c-4g-7431.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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 795 12051 19 2913 14627 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:2e:6d:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.21/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fe2e:6dc1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:60:30:d0:f1 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) 07/09/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 150.77 15.01 135.75 3145.08 9417.41 01:25:01 PM 207.85 5.72 202.13 1063.69 17617.75 01:26:01 PM 26.33 0.60 25.73 17.86 1720.10 Average: 128.32 7.11 121.21 1408.98 9585.08 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12733856 14826772 3405464 21.10 2688 2300248 1411484 8.21 159044 2856688 256472 01:25:01 PM 11359768 13745516 4779552 29.61 2688 2586460 2571532 14.96 248772 4103676 42252 01:26:01 PM 11619792 14080572 4519528 28.00 2688 2660956 2056964 11.97 290500 3804352 73556 Average: 11904472 14217620 4234848 26.24 2688 2515888 2013327 11.71 232772 3588239 124093 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 230.22 159.20 1865.07 26.59 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 3.90 3.90 0.41 0.41 0.00 0.00 0.00 0.00 01:25:01 PM eth0 369.39 251.94 4011.08 45.54 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 24.73 24.73 5.64 5.64 0.00 0.00 0.00 0.00 01:26:01 PM eth0 51.97 36.51 239.51 26.53 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.54 9.54 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 217.20 149.22 2038.54 32.89 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) 07/09/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 21.00 0.00 2.16 1.11 0.11 75.62 01:24:01 PM 0 19.75 0.00 1.96 0.90 0.12 77.28 01:24:01 PM 1 21.62 0.00 2.28 1.14 0.12 74.84 01:24:01 PM 2 19.86 0.00 2.05 1.41 0.10 76.59 01:24:01 PM 3 22.77 0.00 2.35 1.01 0.10 73.78 01:25:01 PM all 50.00 0.00 2.37 2.06 0.13 45.44 01:25:01 PM 0 55.69 0.00 2.95 2.15 0.12 39.10 01:25:01 PM 1 57.15 0.00 1.39 2.41 0.13 38.92 01:25:01 PM 2 48.40 0.00 3.06 1.29 0.12 47.13 01:25:01 PM 3 38.76 0.00 2.09 2.38 0.15 56.62 01:26:01 PM all 16.37 0.00 0.85 0.17 0.08 82.53 01:26:01 PM 0 19.25 0.00 0.63 0.00 0.07 80.05 01:26:01 PM 1 10.95 0.00 1.39 0.12 0.10 87.44 01:26:01 PM 2 20.77 0.00 0.45 0.15 0.07 78.56 01:26:01 PM 3 14.48 0.00 0.94 0.40 0.10 84.09 Average: all 29.11 0.00 1.79 1.11 0.11 67.88 Average: 0 31.54 0.00 1.85 1.01 0.10 65.50 Average: 1 29.90 0.00 1.69 1.22 0.12 67.08 Average: 2 29.68 0.00 1.85 0.95 0.09 67.43 Average: 3 25.33 0.00 1.79 1.26 0.12 71.50