---> uname -a: Linux prd-centos8-docker-4c-4g-5532.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 807 12046 19 2906 14616 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:8a:2f:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.110/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fe8a:2fa0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2e:06:fc:77 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) 07/06/2026 _x86_64_ (4 CPU) 08:02:04 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 269.19 15.81 253.37 3134.54 16391.30 08:05:01 AM 71.54 5.31 66.23 1062.45 9510.23 08:06:01 AM 56.14 3.17 52.97 140.24 9543.68 Average: 132.29 8.10 124.19 1445.72 11814.94 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12365848 14699408 3773472 23.38 2688 2535340 1432200 8.33 199616 3157860 255472 08:05:01 AM 11327164 13707360 4812156 29.82 2688 2580800 2411012 14.03 255972 4128476 1644 08:06:01 AM 12330304 14961228 3809016 23.60 2688 2829072 1181500 6.87 531784 2852260 7524 Average: 12007772 14455999 4131548 25.60 2688 2648404 1674904 9.74 329124 3379532 88213 08:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 419.58 305.02 4997.11 61.45 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 23.43 23.43 4.89 4.89 0.00 0.00 0.00 0.00 08:05:01 AM eth0 40.17 34.84 149.57 23.04 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 5.43 5.43 1.19 1.19 0.00 0.00 0.00 0.00 08:06:01 AM eth0 65.69 74.62 277.27 926.77 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.62 9.62 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 175.14 138.15 1807.89 337.07 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) 07/06/2026 _x86_64_ (4 CPU) 08:02:04 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 29.83 0.00 2.93 1.73 0.12 65.39 08:04:01 AM 0 23.54 0.00 3.01 1.92 0.12 71.41 08:04:01 AM 1 29.38 0.00 2.13 1.21 0.10 67.19 08:04:01 AM 2 25.92 0.00 2.62 2.43 0.12 68.91 08:04:01 AM 3 40.49 0.00 3.97 1.37 0.13 54.04 08:05:01 AM all 42.85 0.00 1.09 0.41 0.09 55.56 08:05:01 AM 0 50.13 0.00 0.80 0.23 0.08 48.75 08:05:01 AM 1 46.74 0.00 0.53 0.03 0.08 52.61 08:05:01 AM 2 42.38 0.00 1.62 0.23 0.10 55.67 08:05:01 AM 3 32.10 0.00 1.42 1.12 0.10 65.26 08:06:01 AM all 18.43 0.00 1.58 0.38 0.08 79.53 08:06:01 AM 0 21.04 0.00 1.65 0.38 0.08 76.84 08:06:01 AM 1 8.82 0.00 1.62 0.47 0.08 89.00 08:06:01 AM 2 22.90 0.00 1.37 0.05 0.07 75.61 08:06:01 AM 3 20.94 0.00 1.67 0.63 0.07 76.69 Average: all 30.37 0.00 1.87 0.84 0.09 66.83 Average: 0 31.58 0.00 1.82 0.85 0.09 65.66 Average: 1 28.32 0.00 1.43 0.57 0.09 69.60 Average: 2 30.41 0.00 1.87 0.90 0.09 66.73 Average: 3 31.17 0.00 2.35 1.04 0.10 65.34