---> uname -a: Linux prd-centos8-docker-4c-4g-1964.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 764 12177 19 2821 14664 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:27:39:da brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.63/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe27:39da/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:19:8b:fb:f4 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) 04/15/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 189.29 14.98 174.30 3123.75 10197.15 01:25:01 PM 179.00 6.25 172.75 1080.09 15328.93 01:26:01 PM 33.73 2.90 30.83 102.65 710.63 Average: 134.01 8.04 125.96 1435.49 8745.57 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12862384 14886824 3279148 20.31 2688 2232496 1316624 7.66 186552 2701088 179812 01:25:01 PM 11351932 13647800 4789600 29.67 2688 2499056 2504904 14.57 253824 4115944 2368 01:26:01 PM 12492464 15036612 3649068 22.61 2688 2745728 1115404 6.49 349668 2884000 262004 Average: 12235593 14523745 3905939 24.20 2688 2492427 1645644 9.57 263348 3233677 148061 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 204.63 155.21 1960.96 32.40 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 12.55 12.55 3.51 3.51 0.00 0.00 0.00 0.00 01:25:01 PM eth0 315.13 228.38 3727.48 43.31 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 16.38 16.38 2.58 2.58 0.00 0.00 0.00 0.00 01:26:01 PM eth0 67.32 57.76 272.95 23.78 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 9.64 9.64 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 195.70 147.11 1987.13 33.17 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) 04/15/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.08 0.00 2.41 0.93 0.09 71.49 01:24:01 PM 0 20.58 0.00 2.29 0.99 0.08 76.06 01:24:01 PM 1 17.60 0.00 2.24 1.24 0.10 78.82 01:24:01 PM 2 21.82 0.00 1.81 0.65 0.08 75.63 01:24:01 PM 3 40.31 0.00 3.28 0.84 0.08 55.50 01:25:01 PM all 51.57 0.00 1.95 0.92 0.11 45.45 01:25:01 PM 0 37.74 0.00 1.84 0.80 0.12 59.49 01:25:01 PM 1 50.06 0.00 3.19 1.49 0.12 45.14 01:25:01 PM 2 60.64 0.00 1.24 0.95 0.12 37.06 01:25:01 PM 3 57.80 0.00 1.52 0.43 0.10 40.15 01:26:01 PM all 15.75 0.00 1.17 0.21 0.07 82.81 01:26:01 PM 0 11.49 0.00 0.99 0.07 0.07 87.39 01:26:01 PM 1 19.12 0.00 2.07 0.50 0.08 78.22 01:26:01 PM 2 15.36 0.00 0.80 0.17 0.05 83.62 01:26:01 PM 3 17.00 0.00 0.80 0.10 0.08 82.01 Average: all 30.80 0.00 1.84 0.69 0.09 66.58 Average: 0 23.26 0.00 1.71 0.62 0.09 74.33 Average: 1 28.93 0.00 2.50 1.08 0.10 67.39 Average: 2 32.63 0.00 1.28 0.59 0.08 65.42 Average: 3 38.37 0.00 1.87 0.46 0.09 59.22