---> uname -a: Linux prd-centos8-docker-4c-4g-3759.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: 2800.000 BogoMIPS: 5600.00 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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 776 12223 19 2762 14651 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:79:d1:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.241/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fe79:d17e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:82:b1:4d:9e 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) 01/07/2026 _x86_64_ (4 CPU) 13:22:28 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 184.48 15.29 169.19 3153.91 9907.35 01:25:01 PM 194.68 6.30 188.39 1081.15 14645.99 01:26:01 PM 36.20 1.23 34.97 52.38 896.38 Average: 138.19 7.56 130.63 1419.44 8474.87 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13045996 15008092 3095536 19.18 2688 2170216 1226848 7.14 182256 2527128 152708 01:25:01 PM 11400116 13637272 4741416 29.37 2688 2439836 2462824 14.33 250264 4070604 2380 01:26:01 PM 12538808 15022196 3602724 22.32 2688 2683860 1108052 6.45 516832 2668188 262088 Average: 12328307 14555853 3813225 23.62 2688 2431304 1599241 9.30 316451 3088640 139059 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 158.58 119.67 1744.35 29.09 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 13.00 13.00 3.54 3.54 0.00 0.00 0.00 0.00 01:25:01 PM eth0 495.45 280.67 3797.74 78.38 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 16.11 16.11 2.55 2.55 0.00 0.00 0.00 0.00 01:26:01 PM eth0 58.70 54.03 272.41 22.87 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 9.76 9.76 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 238.01 151.63 1939.16 43.53 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) 01/07/2026 _x86_64_ (4 CPU) 13:22:28 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.20 0.00 2.39 1.19 0.09 70.13 01:24:01 PM 0 13.69 0.00 1.96 0.44 0.10 83.80 01:24:01 PM 1 31.51 0.00 3.35 1.94 0.09 63.11 01:24:01 PM 2 34.55 0.00 2.23 1.63 0.09 61.50 01:24:01 PM 3 25.12 0.00 2.01 0.77 0.09 72.02 01:25:01 PM all 51.62 0.00 1.98 1.22 0.11 45.06 01:25:01 PM 0 40.73 0.00 3.10 1.64 0.12 54.42 01:25:01 PM 1 64.16 0.00 1.35 0.75 0.12 33.62 01:25:01 PM 2 62.19 0.00 0.93 0.93 0.10 35.85 01:25:01 PM 3 39.33 0.00 2.56 1.56 0.12 56.43 01:26:01 PM all 16.92 0.00 1.39 0.13 0.07 81.48 01:26:01 PM 0 9.58 0.00 1.75 0.27 0.08 88.32 01:26:01 PM 1 19.34 0.00 1.74 0.08 0.07 78.77 01:26:01 PM 2 23.37 0.00 0.87 0.07 0.05 75.64 01:26:01 PM 3 15.38 0.00 1.22 0.12 0.07 83.22 Average: all 31.60 0.00 1.92 0.85 0.09 65.54 Average: 0 21.36 0.00 2.27 0.78 0.10 75.49 Average: 1 38.38 0.00 2.14 0.92 0.09 58.47 Average: 2 40.07 0.00 1.34 0.87 0.08 57.64 Average: 3 26.61 0.00 1.93 0.81 0.09 70.56