---> uname -a: Linux prd-centos8-docker-8c-8g-4486.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1082 26319 19 4485 30336 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:6f:e1:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.78/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fe6f:e150/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:19:bb:9a:2d 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 inet6 fe80::42:19ff:febb:9a2d/64 scope link 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) 07/02/2026 _x86_64_ (8 CPU) 07:30:21 LINUX RESTART (8 CPU) 07:31:01 AM tps rtps wtps bread/s bwrtn/s 07:32:01 AM 176.94 14.70 162.25 3221.86 10616.51 07:33:01 AM 237.19 4.68 232.51 1126.16 20582.26 07:34:01 AM 258.70 16.59 242.10 5456.58 30531.22 07:35:01 AM 93.65 2.80 90.85 179.41 26811.70 Average: 191.62 9.69 181.93 2496.00 22135.42 07:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:32:01 AM 29112368 31108828 3541004 10.84 2688 2312148 2003560 5.94 186552 2886664 237064 07:33:01 AM 27126768 29760108 5526604 16.93 2688 2939416 2655196 7.88 274684 4733924 284524 07:34:01 AM 26259020 30228936 6394352 19.58 2688 4258896 2203104 6.54 668128 5150936 612056 07:35:01 AM 26946096 31059004 5707276 17.48 2688 4398832 1530256 4.54 894984 4235808 8352 Average: 27361063 30539219 5292309 16.21 2688 3477323 2098029 6.23 506087 4251833 285499 07:31:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 AM eth0 171.08 122.11 2102.73 37.87 0.00 0.00 0.00 0.00 07:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 957.38 475.17 8698.43 55.57 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 12.81 12.81 1.35 1.35 0.00 0.00 0.00 0.00 07:34:01 AM eth0 818.63 222.71 4707.41 35.47 0.00 0.00 0.00 0.00 07:34:01 AM docker0 4.80 5.93 0.65 0.69 0.00 0.00 0.00 0.00 07:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:01 AM eth0 98.27 114.26 473.31 1257.44 0.00 0.00 0.00 0.00 07:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.20 3.20 0.34 0.34 0.00 0.00 0.00 0.00 Average: eth0 511.34 233.56 3995.47 346.59 0.00 0.00 0.00 0.00 Average: docker0 1.20 1.48 0.16 0.17 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) 07/02/2026 _x86_64_ (8 CPU) 07:30:21 LINUX RESTART (8 CPU) 07:31:01 AM CPU %user %nice %system %iowait %steal %idle 07:32:01 AM all 12.47 0.00 1.33 0.44 0.06 85.70 07:32:01 AM 0 13.57 0.00 1.22 0.25 0.05 84.91 07:32:01 AM 1 11.51 0.00 1.29 0.57 0.08 86.55 07:32:01 AM 2 11.08 0.00 1.45 0.53 0.05 86.88 07:32:01 AM 3 6.59 0.00 1.17 0.30 0.05 91.89 07:32:01 AM 4 9.71 0.00 1.14 0.65 0.05 88.46 07:32:01 AM 5 12.75 0.00 0.90 0.08 0.05 86.21 07:32:01 AM 6 28.76 0.00 2.77 0.84 0.05 67.57 07:32:01 AM 7 5.74 0.00 0.70 0.32 0.10 93.14 07:33:01 AM all 32.31 0.00 1.57 0.67 0.08 65.37 07:33:01 AM 0 27.16 0.00 1.01 0.50 0.08 71.25 07:33:01 AM 1 46.00 0.00 1.89 0.37 0.08 51.66 07:33:01 AM 2 31.04 0.00 1.90 0.42 0.08 66.56 07:33:01 AM 3 16.73 0.00 2.41 1.93 0.10 78.83 07:33:01 AM 4 29.45 0.00 1.63 0.87 0.07 67.99 07:33:01 AM 5 36.64 0.00 1.74 0.59 0.07 60.97 07:33:01 AM 6 21.28 0.00 1.12 0.59 0.10 76.91 07:33:01 AM 7 50.13 0.00 0.90 0.07 0.08 48.82 07:34:01 AM all 21.38 0.32 3.68 0.88 0.08 73.66 07:34:01 AM 0 25.48 0.59 2.92 0.45 0.10 70.45 07:34:01 AM 1 19.83 0.03 4.17 1.10 0.08 74.78 07:34:01 AM 2 19.53 0.08 4.48 0.51 0.07 75.34 07:34:01 AM 3 22.43 0.03 3.25 0.44 0.07 73.78 07:34:01 AM 4 21.60 0.02 3.09 1.05 0.07 74.18 07:34:01 AM 5 21.47 0.02 3.63 0.25 0.08 74.55 07:34:01 AM 6 20.06 0.03 4.52 2.71 0.07 72.60 07:34:01 AM 7 20.62 1.73 3.42 0.56 0.08 73.59 07:35:01 AM all 14.48 0.00 1.37 0.35 0.05 83.75 07:35:01 AM 0 10.87 0.00 1.05 0.10 0.05 87.93 07:35:01 AM 1 23.04 0.00 1.60 0.25 0.07 75.04 07:35:01 AM 2 25.84 0.00 2.49 0.17 0.07 71.43 07:35:01 AM 3 21.40 0.00 1.45 0.88 0.05 76.21 07:35:01 AM 4 6.22 0.00 0.95 0.97 0.07 91.79 07:35:01 AM 5 17.11 0.00 1.37 0.05 0.03 81.44 07:35:01 AM 6 2.52 0.00 1.12 0.28 0.03 96.05 07:35:01 AM 7 8.80 0.00 0.90 0.12 0.03 90.15 Average: all 20.15 0.08 1.99 0.59 0.07 77.14 Average: 0 19.25 0.15 1.55 0.33 0.07 78.66 Average: 1 25.09 0.01 2.23 0.57 0.08 72.02 Average: 2 21.87 0.02 2.58 0.41 0.07 75.06 Average: 3 16.78 0.01 2.07 0.89 0.07 80.19 Average: 4 16.72 0.00 1.70 0.88 0.06 80.63 Average: 5 21.98 0.00 1.91 0.24 0.06 75.81 Average: 6 18.14 0.01 2.38 1.10 0.06 78.30 Average: 7 21.32 0.43 1.48 0.26 0.08 76.43