---> uname -a: Linux prd-centos8-docker-4c-4g-6290.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 823 12116 19 2822 14604 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:00:aa:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.79/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86165sec preferred_lft 86165sec inet6 fe80::f816:3eff:fe00:aa74/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fb:f1:a2:2b 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) 04/27/2026 _x86_64_ (4 CPU) 01:28:00 LINUX RESTART (4 CPU) 01:29:01 AM tps rtps wtps bread/s bwrtn/s 01:30:01 AM 274.42 18.43 255.99 3944.54 14501.08 01:31:01 AM 44.30 2.50 41.80 237.39 8061.73 Average: 159.35 10.46 148.89 2090.81 11281.14 01:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:01 AM 11947092 14232192 4194432 25.99 2688 2488880 1831880 10.66 221232 3560152 232284 01:31:01 AM 11328688 13624596 4812836 29.82 2688 2499280 2655412 15.45 250644 4142324 892 Average: 11637890 13928394 4503634 27.90 2688 2494080 2243646 13.05 235938 3851238 116588 01:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM eth0 476.15 332.49 4875.23 59.82 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 AM lo 24.89 24.89 5.06 5.06 0.00 0.00 0.00 0.00 01:31:01 AM eth0 24.08 15.86 9.21 17.02 0.00 0.00 0.00 0.00 01:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 12.45 12.45 2.53 2.53 0.00 0.00 0.00 0.00 Average: eth0 250.10 174.16 2442.02 38.42 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) 04/27/2026 _x86_64_ (4 CPU) 01:28:00 LINUX RESTART (4 CPU) 01:29:01 AM CPU %user %nice %system %iowait %steal %idle 01:30:01 AM all 38.07 0.00 2.88 1.40 0.09 57.55 01:30:01 AM 0 34.15 0.00 3.51 1.70 0.08 60.55 01:30:01 AM 1 48.72 0.00 3.86 2.16 0.10 45.16 01:30:01 AM 2 36.55 0.00 1.84 0.77 0.10 60.74 01:30:01 AM 3 32.84 0.00 2.33 0.99 0.08 63.76 01:31:01 AM all 31.99 0.00 0.81 0.29 0.08 66.83 01:31:01 AM 0 31.59 0.00 1.02 0.28 0.08 67.03 01:31:01 AM 1 39.74 0.00 0.50 0.18 0.08 59.49 01:31:01 AM 2 17.53 0.00 1.47 0.64 0.08 80.28 01:31:01 AM 3 39.09 0.00 0.25 0.07 0.07 60.52 Average: all 35.03 0.00 1.85 0.85 0.09 62.19 Average: 0 32.87 0.00 2.26 0.99 0.08 63.79 Average: 1 44.23 0.00 2.18 1.17 0.09 52.33 Average: 2 27.04 0.00 1.66 0.70 0.09 70.51 Average: 3 35.97 0.00 1.29 0.53 0.08 62.14