---> uname -a: Linux prd-centos8-docker-4c-4g-471.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 844 12093 19 2825 14583 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:75:4a:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.141/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86161sec preferred_lft 86161sec inet6 fe80::f816:3eff:fe75:4a32/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:22:6c:7a:d7 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) 05/17/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 219.30 15.16 204.13 3170.45 11561.01 01:25:01 PM 149.94 6.25 143.69 1080.09 14279.30 01:26:01 PM 38.57 3.18 35.39 140.62 857.23 Average: 135.47 8.16 127.31 1454.21 8884.02 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12752724 14785776 3388808 20.99 2688 2240068 1386372 8.06 188920 2800020 157740 01:25:01 PM 11281120 13580144 4860412 30.11 2688 2502208 2548560 14.83 254512 4187620 1720 01:26:01 PM 12446680 14996184 3694852 22.89 2688 2750644 1156560 6.73 524488 2756360 263280 Average: 12160175 14454035 3981357 24.67 2688 2497640 1697164 9.87 322640 3248000 140913 01:23:02 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 168.26 136.72 2014.54 33.31 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 21.06 21.06 4.47 4.47 0.00 0.00 0.00 0.00 01:25:01 PM eth0 378.05 215.35 3715.05 69.06 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 7.76 7.76 1.60 1.60 0.00 0.00 0.00 0.00 01:26:01 PM eth0 66.28 72.86 278.80 927.54 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 9.66 9.66 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 204.39 141.66 2002.64 345.05 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) 05/17/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.09 0.00 2.44 1.13 0.08 70.26 01:24:01 PM 0 29.36 0.00 2.63 0.92 0.08 67.01 01:24:01 PM 1 21.87 0.00 1.63 1.02 0.07 75.40 01:24:01 PM 2 32.96 0.00 3.10 0.85 0.09 63.00 01:24:01 PM 3 20.16 0.00 2.39 1.74 0.07 75.64 01:25:01 PM all 49.82 0.00 1.80 0.81 0.09 47.48 01:25:01 PM 0 54.90 0.00 1.62 0.42 0.08 42.98 01:25:01 PM 1 46.59 0.00 3.14 1.57 0.12 48.58 01:25:01 PM 2 41.95 0.00 1.62 0.60 0.08 55.74 01:25:01 PM 3 55.83 0.00 0.80 0.63 0.08 42.65 01:26:01 PM all 16.11 0.00 1.39 0.16 0.07 82.28 01:26:01 PM 0 13.53 0.00 1.40 0.28 0.07 84.71 01:26:01 PM 1 10.82 0.00 1.46 0.17 0.07 87.49 01:26:01 PM 2 25.44 0.00 1.74 0.13 0.07 72.62 01:26:01 PM 3 14.63 0.00 0.95 0.05 0.07 84.30 Average: all 30.70 0.00 1.87 0.70 0.08 66.65 Average: 0 32.62 0.00 1.88 0.54 0.08 64.88 Average: 1 26.45 0.00 2.08 0.92 0.08 70.46 Average: 2 33.45 0.00 2.15 0.53 0.08 63.80 Average: 3 30.27 0.00 1.37 0.80 0.07 67.48