---> uname -a: Linux prd-centos8-docker-4c-4g-1085.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 749 12100 19 2910 14673 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:dc:78:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.83/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86072sec preferred_lft 86072sec inet6 fe80::f816:3eff:fedc:789c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1b:e4:d5:6e 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) 07/20/2026 _x86_64_ (4 CPU) 03:03:06 LINUX RESTART (4 CPU) 03:04:01 AM tps rtps wtps bread/s bwrtn/s 03:05:01 AM 60.84 0.45 60.39 34.53 4819.76 03:06:01 AM 234.50 14.69 219.81 3100.45 15446.28 03:07:01 AM 98.83 6.27 92.57 1080.49 9458.22 03:08:01 AM 24.49 0.87 23.63 67.18 477.01 Average: 104.67 5.57 99.10 1070.79 7550.68 03:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:05:01 AM 13411496 15140248 2727824 16.90 2688 1945176 1119732 6.51 137476 2238760 133300 03:06:01 AM 12601504 14905628 3537816 21.92 2688 2507036 1276964 7.43 187416 2938812 213828 03:07:01 AM 11340244 13723456 4799076 29.74 2688 2583916 2893900 16.84 250500 4125624 2488 03:08:01 AM 12421548 15055060 3717772 23.04 2688 2832116 1128428 6.57 522664 2772572 264520 Average: 12443698 14706098 3695622 22.90 2688 2467061 1604756 9.34 274514 3018942 153534 03:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:05:01 AM eth0 93.05 63.16 928.39 21.62 0.00 0.00 0.00 0.00 03:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:06:01 AM eth0 316.41 221.49 4477.24 38.26 0.00 0.00 0.00 0.00 03:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:07:01 AM lo 13.86 13.86 3.59 3.59 0.00 0.00 0.00 0.00 03:07:01 AM eth0 108.18 66.27 647.42 32.36 0.00 0.00 0.00 0.00 03:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:08:01 AM lo 15.48 15.48 2.51 2.51 0.00 0.00 0.00 0.00 03:08:01 AM eth0 60.88 52.23 276.05 30.99 0.00 0.00 0.00 0.00 03:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.34 7.34 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 144.64 100.80 1582.46 30.81 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) 07/20/2026 _x86_64_ (4 CPU) 03:03:06 LINUX RESTART (4 CPU) 03:04:01 AM CPU %user %nice %system %iowait %steal %idle 03:05:01 AM all 10.87 0.00 1.24 2.38 0.06 85.45 03:05:01 AM 0 6.64 0.00 0.87 0.15 0.07 92.27 03:05:01 AM 1 17.91 0.00 1.96 5.99 0.07 74.06 03:05:01 AM 2 4.33 0.00 0.59 1.31 0.03 93.74 03:05:01 AM 3 14.63 0.00 1.54 2.11 0.07 81.65 03:06:01 AM all 26.96 0.00 2.88 1.59 0.11 68.46 03:06:01 AM 0 22.37 0.00 2.16 1.29 0.08 74.10 03:06:01 AM 1 38.07 0.00 4.73 2.76 0.14 54.31 03:06:01 AM 2 16.82 0.00 2.13 1.06 0.10 79.90 03:06:01 AM 3 30.66 0.00 2.51 1.26 0.12 65.45 03:07:01 AM all 54.49 0.00 1.78 0.47 0.12 43.14 03:07:01 AM 0 59.38 0.00 1.93 0.60 0.13 37.95 03:07:01 AM 1 66.47 0.00 0.67 0.23 0.10 32.53 03:07:01 AM 2 54.32 0.00 2.10 0.18 0.12 43.28 03:07:01 AM 3 37.57 0.00 2.43 0.87 0.14 59.00 03:08:01 AM all 17.71 0.00 1.59 0.10 0.08 80.52 03:08:01 AM 0 23.40 0.00 1.49 0.25 0.08 74.77 03:08:01 AM 1 13.94 0.00 2.24 0.17 0.08 83.56 03:08:01 AM 2 17.93 0.00 1.44 0.00 0.08 80.55 03:08:01 AM 3 15.51 0.00 1.19 0.00 0.07 83.24 Average: all 27.47 0.00 1.87 1.14 0.09 69.42 Average: 0 27.91 0.00 1.61 0.57 0.09 69.82 Average: 1 34.14 0.00 2.40 2.29 0.10 61.08 Average: 2 23.33 0.00 1.56 0.64 0.08 74.39 Average: 3 24.54 0.00 1.91 1.06 0.10 72.39