---> uname -a: Linux prd-centos8-docker-4c-4g-7417.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 806 12131 19 2824 14621 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:fd:dc:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.201/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86162sec preferred_lft 86162sec inet6 fe80::f816:3eff:fefd:dc04/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:36:57:c9:8e 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) 05/01/2026 _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 224.40 15.32 209.08 3278.09 12212.86 01:25:01 PM 146.84 6.22 140.63 1056.09 13717.03 01:26:01 PM 37.91 3.12 34.79 139.44 1001.73 Average: 135.89 8.18 127.72 1481.23 8959.14 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12788692 14822668 3352840 20.77 2688 2240932 1381812 8.04 188528 2768992 141260 01:25:01 PM 11405660 13704380 4735872 29.34 2688 2501828 2714508 15.79 254264 4063804 1868 01:26:01 PM 12439652 14995356 3701880 22.93 2688 2756480 1171496 6.81 525608 2761944 265128 Average: 12211335 14507468 3930197 24.35 2688 2499747 1755939 10.21 322800 3198247 136085 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 174.28 140.01 2022.68 34.17 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 21.66 21.66 4.51 4.51 0.00 0.00 0.00 0.00 01:25:01 PM eth0 344.64 209.12 3697.67 57.75 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 7.55 7.55 1.58 1.58 0.00 0.00 0.00 0.00 01:26:01 PM eth0 78.77 82.92 288.66 936.81 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 9.79 9.79 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 199.37 144.04 2002.90 344.64 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) 05/01/2026 _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 25.83 0.00 2.48 0.94 0.09 70.66 01:24:01 PM 0 23.91 0.00 2.51 0.92 0.10 72.56 01:24:01 PM 1 26.55 0.00 2.96 1.36 0.09 69.05 01:24:01 PM 2 34.11 0.00 2.94 0.87 0.09 61.99 01:24:01 PM 3 18.77 0.00 1.51 0.60 0.07 79.05 01:25:01 PM all 49.50 0.00 1.85 0.75 0.09 47.81 01:25:01 PM 0 60.18 0.00 0.55 0.22 0.08 38.96 01:25:01 PM 1 45.96 0.00 2.94 0.94 0.10 50.06 01:25:01 PM 2 38.03 0.00 2.08 0.90 0.08 58.91 01:25:01 PM 3 53.80 0.00 1.84 0.94 0.08 43.35 01:26:01 PM all 16.28 0.00 1.41 0.14 0.06 82.11 01:26:01 PM 0 11.96 0.00 1.00 0.03 0.07 86.93 01:26:01 PM 1 21.04 0.00 1.30 0.07 0.05 77.54 01:26:01 PM 2 19.77 0.00 2.14 0.42 0.07 77.61 01:26:01 PM 3 12.36 0.00 1.20 0.05 0.05 86.34 Average: all 30.56 0.00 1.91 0.61 0.08 66.84 Average: 0 32.06 0.00 1.35 0.39 0.08 66.12 Average: 1 31.20 0.00 2.40 0.78 0.08 65.54 Average: 2 30.61 0.00 2.38 0.73 0.08 66.20 Average: 3 28.38 0.00 1.52 0.53 0.07 69.51