---> uname -a: Linux prd-centos8-docker-4c-4g-17383.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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: 15761 751 12621 19 2387 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:23:f4:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.90/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86233sec preferred_lft 86233sec inet6 fe80::f816:3eff:fe23:f485/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:98:cd:04:c7 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/18/2026 _x86_64_ (4 CPU) 09:07:52 LINUX RESTART (4 CPU) 09:08:01 AM tps rtps wtps bread/s bwrtn/s 09:09:01 AM 291.70 80.29 211.41 10877.32 42527.14 09:10:01 AM 206.76 6.35 200.42 768.15 15767.31 Average: 249.23 43.31 205.91 5821.90 29144.99 09:08:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:09:01 AM 13341792 15113640 2797528 17.33 2688 1987404 1117692 6.50 142200 2301572 186140 09:10:01 AM 12501804 14592256 3637516 22.54 2688 2294196 1632256 9.50 175340 3052812 71988 Average: 12921798 14852948 3217522 19.94 2688 2140800 1374974 8.00 158770 2677192 129064 09:08:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:09:01 AM eth0 354.42 202.60 1735.27 67.61 0.00 0.00 0.00 0.00 09:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 AM eth0 275.97 213.96 2068.79 52.05 0.00 0.00 0.00 0.00 09:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 315.18 208.28 1902.06 59.83 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/18/2026 _x86_64_ (4 CPU) 09:07:52 LINUX RESTART (4 CPU) 09:08:01 AM CPU %user %nice %system %iowait %steal %idle 09:09:01 AM all 24.70 0.00 3.88 4.61 0.09 66.71 09:09:01 AM 0 23.94 0.00 4.94 11.18 0.12 59.82 09:09:01 AM 1 24.01 0.00 3.83 1.96 0.08 70.11 09:09:01 AM 2 26.05 0.00 3.11 4.54 0.10 66.19 09:09:01 AM 3 24.78 0.00 3.65 0.79 0.07 70.72 09:10:01 AM all 34.88 0.00 2.53 3.44 0.10 59.04 09:10:01 AM 0 36.60 0.00 2.34 1.97 0.12 58.98 09:10:01 AM 1 41.11 0.00 2.51 1.86 0.08 54.45 09:10:01 AM 2 33.77 0.00 2.76 9.01 0.12 54.34 09:10:01 AM 3 28.05 0.00 2.53 0.90 0.10 68.42 Average: all 29.79 0.00 3.21 4.02 0.10 62.88 Average: 0 30.28 0.00 3.64 6.57 0.12 59.40 Average: 1 32.57 0.00 3.17 1.91 0.08 62.27 Average: 2 29.91 0.00 2.94 6.78 0.11 60.26 Average: 3 26.42 0.00 3.09 0.84 0.08 69.57