---> uname -a: Linux prd-centos8-docker-4c-4g-11991.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 754 12095 19 2911 14669 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:f3:fb:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.183/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86112sec preferred_lft 86112sec inet6 fe80::f816:3eff:fef3:fb35/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:37:b4:3c:6d 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) 07/13/2026 _x86_64_ (4 CPU) 06:53:27 LINUX RESTART (4 CPU) 06:54:01 AM tps rtps wtps bread/s bwrtn/s 06:55:01 AM 104.50 6.33 98.17 1079.11 8161.63 06:56:01 AM 245.26 18.16 227.10 3872.86 13910.33 06:57:01 AM 40.63 2.42 38.21 236.09 7945.29 06:58:01 AM 53.58 1.63 51.95 122.89 9054.88 Average: 111.00 7.14 103.87 1327.89 9768.28 06:54:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:55:01 AM 13194676 15156856 2944636 18.25 2688 2171112 1059648 6.17 149112 2416364 289628 06:56:01 AM 11886732 14260748 4252580 26.35 2688 2575188 1854076 10.79 223792 3607620 227756 06:57:01 AM 11286988 13671704 4852324 30.07 2688 2585536 2404628 13.99 255184 4169076 908 06:58:01 AM 12407724 15042996 3731588 23.12 2688 2833396 1133784 6.60 538848 2767336 24348 Average: 12194030 14533076 3945282 24.45 2688 2541308 1613034 9.38 291734 3240099 135660 06:54:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:55:01 AM eth0 116.76 76.96 1742.62 14.45 0.00 0.00 0.00 0.00 06:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:56:01 AM eth0 463.14 309.93 4336.15 79.60 0.00 0.00 0.00 0.00 06:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:57:01 AM lo 24.28 24.28 5.01 5.01 0.00 0.00 0.00 0.00 06:57:01 AM eth0 45.86 28.36 17.28 22.02 0.00 0.00 0.00 0.00 06:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:58:01 AM lo 4.58 4.58 1.07 1.07 0.00 0.00 0.00 0.00 06:58:01 AM eth0 82.72 79.66 288.18 931.23 0.00 0.00 0.00 0.00 06:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.21 7.21 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 177.14 123.74 1596.24 261.83 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) 07/13/2026 _x86_64_ (4 CPU) 06:53:27 LINUX RESTART (4 CPU) 06:54:01 AM CPU %user %nice %system %iowait %steal %idle 06:55:01 AM all 20.02 0.00 1.86 0.60 0.09 77.43 06:55:01 AM 0 18.54 0.00 2.05 0.72 0.10 78.58 06:55:01 AM 1 13.78 0.00 1.10 0.47 0.07 84.58 06:55:01 AM 2 9.21 0.00 0.75 0.42 0.07 89.55 06:55:01 AM 3 38.49 0.00 3.54 0.80 0.12 57.05 06:56:01 AM all 36.17 0.00 2.83 1.39 0.15 59.47 06:56:01 AM 0 32.47 0.00 2.95 1.26 0.15 63.18 06:56:01 AM 1 37.60 0.00 2.49 1.19 0.13 58.59 06:56:01 AM 2 35.70 0.00 2.46 1.39 0.15 60.30 06:56:01 AM 3 38.93 0.00 3.42 1.71 0.15 55.79 06:57:01 AM all 36.49 0.00 0.88 0.28 0.10 62.25 06:57:01 AM 0 34.66 0.00 1.27 0.22 0.10 63.75 06:57:01 AM 1 45.63 0.00 0.33 0.02 0.12 53.90 06:57:01 AM 2 19.83 0.00 1.57 0.89 0.10 77.61 06:57:01 AM 3 45.80 0.00 0.35 0.00 0.08 53.76 06:58:01 AM all 21.76 0.00 1.89 0.41 0.10 75.84 06:58:01 AM 0 31.20 0.00 2.02 0.45 0.12 66.22 06:58:01 AM 1 24.34 0.00 1.94 0.12 0.10 73.50 06:58:01 AM 2 11.55 0.00 1.61 0.33 0.07 86.45 06:58:01 AM 3 19.94 0.00 2.01 0.74 0.10 77.21 Average: all 28.61 0.00 1.87 0.67 0.11 68.75 Average: 0 29.22 0.00 2.07 0.66 0.12 67.94 Average: 1 30.35 0.00 1.47 0.45 0.10 67.63 Average: 2 19.07 0.00 1.60 0.76 0.10 78.48 Average: 3 35.80 0.00 2.33 0.81 0.11 60.95