---> uname -a: Linux prd-centos8-docker-4c-4g-4879.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 753 12193 19 2816 14675 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:7d:77:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.29/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86127sec preferred_lft 86127sec inet6 fe80::f816:3eff:fe7d:77bd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:78:5e:fa:2a 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) 04/22/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 147.97 15.03 132.94 3123.09 9571.79 01:25:01 PM 220.91 5.80 215.11 1064.71 15858.08 01:26:01 PM 22.01 0.60 21.41 17.86 1354.33 Average: 130.30 7.14 123.15 1401.89 8928.07 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12946916 14939380 3194616 19.79 2688 2202556 1327988 7.73 156864 2652380 186944 01:25:01 PM 11549380 13838660 4592152 28.45 2688 2492580 2266512 13.18 247844 3927216 31596 01:26:01 PM 12151800 14461908 3989732 24.72 2688 2512912 1633548 9.50 258284 3317140 19364 Average: 12216032 14413316 3925500 24.32 2688 2402683 1742683 10.14 220997 3298912 79301 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 177.37 122.89 1662.00 24.15 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 3.85 3.85 0.41 0.41 0.00 0.00 0.00 0.00 01:25:01 PM eth0 389.32 277.57 4068.53 50.43 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 24.36 24.36 5.61 5.61 0.00 0.00 0.00 0.00 01:26:01 PM eth0 38.62 32.17 228.29 20.75 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 9.40 9.40 2.01 2.01 0.00 0.00 0.00 0.00 Average: eth0 201.77 144.21 1986.27 31.78 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) 04/22/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 21.47 0.00 2.27 1.41 0.11 74.74 01:24:01 PM 0 17.23 0.00 1.70 1.19 0.10 79.78 01:24:01 PM 1 20.33 0.00 1.87 0.74 0.10 76.96 01:24:01 PM 2 26.19 0.00 3.22 2.43 0.13 68.02 01:24:01 PM 3 22.15 0.00 2.28 1.29 0.12 74.16 01:25:01 PM all 52.80 0.00 2.54 2.08 0.13 42.46 01:25:01 PM 0 54.58 0.00 2.90 3.33 0.15 39.04 01:25:01 PM 1 61.33 0.00 1.96 0.70 0.12 35.90 01:25:01 PM 2 41.64 0.00 3.44 3.25 0.13 51.54 01:25:01 PM 3 53.61 0.00 1.88 1.02 0.12 43.37 01:26:01 PM all 17.26 0.00 0.86 0.14 0.09 81.65 01:26:01 PM 0 15.33 0.00 1.15 0.27 0.08 83.16 01:26:01 PM 1 21.08 0.00 0.52 0.00 0.10 78.30 01:26:01 PM 2 11.82 0.00 1.19 0.28 0.08 86.63 01:26:01 PM 3 20.81 0.00 0.57 0.02 0.08 78.52 Average: all 30.49 0.00 1.89 1.21 0.11 66.30 Average: 0 29.02 0.00 1.92 1.59 0.11 67.35 Average: 1 34.25 0.00 1.45 0.48 0.11 63.72 Average: 2 26.53 0.00 2.61 1.99 0.12 68.75 Average: 3 32.17 0.00 1.57 0.78 0.11 65.38