---> uname -a: Linux prd-centos8-docker-4c-4g-9414.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 808 12128 19 2826 14619 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:0b:d1:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.154/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fe0b:d1b3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2d:62:69:c4 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) 05/10/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 210.26 15.03 195.23 3146.01 11790.52 01:25:01 PM 164.97 6.30 158.67 1081.15 15211.83 01:26:01 PM 35.87 2.95 32.92 108.36 753.67 Average: 137.03 8.09 128.94 1445.10 9251.53 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12787260 14818836 3354272 20.78 2688 2238832 1381924 8.04 188388 2771216 181208 01:25:01 PM 11525552 13825124 4615980 28.60 2688 2502640 2275460 13.24 254456 3945244 1880 01:26:01 PM 12391524 14940924 3750008 23.23 2688 2750264 1209940 7.04 524080 2812544 263452 Average: 12234779 14528295 3906753 24.20 2688 2497245 1622441 9.44 322308 3176335 148847 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 167.16 133.94 2007.14 31.99 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 20.90 20.90 4.45 4.45 0.00 0.00 0.00 0.00 01:25:01 PM eth0 299.57 210.96 3694.29 45.88 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 7.90 7.90 1.62 1.62 0.00 0.00 0.00 0.00 01:26:01 PM eth0 60.98 69.18 272.94 924.44 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 9.60 9.60 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 175.89 138.02 1991.36 334.14 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) 05/10/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.87 0.00 2.45 1.15 0.08 70.45 01:24:01 PM 0 37.70 0.00 4.51 1.76 0.10 55.93 01:24:01 PM 1 25.80 0.00 2.27 1.17 0.08 70.68 01:24:01 PM 2 22.42 0.00 1.84 0.97 0.08 74.69 01:24:01 PM 3 17.56 0.00 1.17 0.69 0.07 80.52 01:25:01 PM all 50.54 0.00 1.79 1.10 0.10 46.47 01:25:01 PM 0 59.91 0.00 0.82 0.40 0.08 38.79 01:25:01 PM 1 46.58 0.00 2.22 0.79 0.10 50.31 01:25:01 PM 2 39.51 0.00 2.01 2.31 0.10 56.07 01:25:01 PM 3 56.12 0.00 2.11 0.92 0.10 40.75 01:26:01 PM all 15.30 0.00 1.26 0.15 0.08 83.22 01:26:01 PM 0 8.98 0.00 1.22 0.12 0.08 89.60 01:26:01 PM 1 21.62 0.00 1.22 0.15 0.07 76.95 01:26:01 PM 2 23.22 0.00 1.34 0.08 0.07 75.29 01:26:01 PM 3 7.38 0.00 1.25 0.23 0.08 91.05 Average: all 30.57 0.00 1.83 0.80 0.08 66.72 Average: 0 35.53 0.00 2.18 0.76 0.09 61.44 Average: 1 31.33 0.00 1.90 0.70 0.08 65.98 Average: 2 28.38 0.00 1.73 1.12 0.08 68.69 Average: 3 27.02 0.00 1.51 0.61 0.08 70.77