---> uname -a: Linux prd-centos8-docker-4c-4g-1.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 760 12182 19 2820 14667 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:83:78:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.248/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fe83:7883/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ed:93:25:5d 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/09/2026 _x86_64_ (4 CPU) 13:43:02 LINUX RESTART (4 CPU) 01:44:02 PM tps rtps wtps bread/s bwrtn/s 01:45:01 PM 172.28 15.32 156.96 3279.97 10668.82 01:46:01 PM 185.44 6.22 179.22 1056.09 15115.26 01:47:01 PM 27.71 0.45 27.26 15.99 720.18 Average: 128.23 7.28 120.94 1440.49 8824.16 01:44:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:45:01 PM 12984440 15004208 3157092 19.56 2688 2228036 1222176 7.11 186696 2583644 172608 01:46:01 PM 11474216 13768104 4667316 28.91 2688 2496724 2329084 13.55 255556 3994268 8564 01:47:01 PM 12445484 14979472 3696048 22.90 2688 2735296 1167424 6.79 351012 2932048 246340 Average: 12301380 14583928 3840152 23.79 2688 2486685 1572895 9.15 264421 3169987 142504 01:44:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:45:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:45:01 PM eth0 178.53 134.04 1905.40 32.35 0.00 0.00 0.00 0.00 01:45:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:46:01 PM lo 11.85 11.85 3.43 3.43 0.00 0.00 0.00 0.00 01:46:01 PM eth0 310.53 225.01 3746.83 45.94 0.00 0.00 0.00 0.00 01:46:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:47:01 PM lo 16.66 16.66 2.61 2.61 0.00 0.00 0.00 0.00 01:47:01 PM eth0 62.23 50.97 272.56 35.53 0.00 0.00 0.00 0.00 01:47:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.56 9.56 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 183.79 136.68 1975.22 37.97 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/09/2026 _x86_64_ (4 CPU) 13:43:02 LINUX RESTART (4 CPU) 01:44:02 PM CPU %user %nice %system %iowait %steal %idle 01:45:01 PM all 22.79 0.00 2.51 1.50 0.11 73.08 01:45:01 PM 0 22.64 0.00 2.06 0.76 0.10 74.43 01:45:01 PM 1 15.58 0.00 2.35 1.94 0.10 80.02 01:45:01 PM 2 28.33 0.00 3.00 2.38 0.10 66.19 01:45:01 PM 3 24.62 0.00 2.64 0.92 0.14 71.67 01:46:01 PM all 52.22 0.00 2.13 2.07 0.13 43.45 01:46:01 PM 0 37.89 0.00 3.55 5.16 0.15 53.26 01:46:01 PM 1 63.84 0.00 1.49 1.34 0.12 33.22 01:46:01 PM 2 48.98 0.00 1.93 0.84 0.13 48.12 01:46:01 PM 3 58.16 0.00 1.57 0.95 0.12 39.20 01:47:01 PM all 14.10 0.00 1.09 0.31 0.08 84.41 01:47:01 PM 0 12.17 0.00 0.64 0.08 0.08 87.03 01:47:01 PM 1 17.90 0.00 1.59 0.10 0.10 80.30 01:47:01 PM 2 14.04 0.00 0.70 0.33 0.08 84.85 01:47:01 PM 3 12.30 0.00 1.44 0.72 0.07 85.47 Average: all 29.74 0.00 1.91 1.29 0.11 66.95 Average: 0 24.23 0.00 2.08 2.01 0.11 71.57 Average: 1 32.54 0.00 1.81 1.12 0.11 64.42 Average: 2 30.44 0.00 1.87 1.18 0.11 66.40 Average: 3 31.74 0.00 1.88 0.86 0.11 65.41