---> uname -a: Linux prd-centos8-docker-8c-8g-7535.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 1083 26356 19 4448 30337 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:f1:00:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.242/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86107sec preferred_lft 86107sec inet6 fe80::f816:3eff:fef1:1e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:83:7c:32:0e 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::42:83ff:fe7c:320e/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) 07/10/2026 _x86_64_ (8 CPU) 02:29:02 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 221.81 16.61 205.20 3198.13 16090.40 02:32:01 AM 151.55 4.02 147.53 1111.90 13524.71 02:33:01 AM 133.21 15.28 117.93 5441.52 28640.59 Average: 168.85 11.97 156.89 3250.52 19418.57 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28883980 30937516 3769392 11.54 2688 2367128 1647816 4.89 195196 3096412 82696 02:32:01 AM 26814468 29651176 5838904 17.88 2688 3141652 2926496 8.68 273968 5051168 457024 02:33:01 AM 27007180 31071736 5646192 17.29 2688 4352912 1500856 4.45 734096 4344712 716236 Average: 27568543 30553476 5084829 15.57 2688 3287231 2025056 6.01 401087 4164097 418652 02:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 212.93 172.21 2115.29 45.90 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1722.83 629.67 10428.92 61.37 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:33:01 AM lo 12.08 12.08 1.27 1.27 0.00 0.00 0.00 0.00 02:33:01 AM eth0 369.28 167.36 2263.39 30.34 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.30 5.41 0.61 0.63 0.00 0.00 0.00 0.00 Average: lo 4.03 4.03 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 768.34 323.08 4935.87 45.87 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.80 0.20 0.21 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) 07/10/2026 _x86_64_ (8 CPU) 02:29:02 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 14.23 0.00 1.35 0.65 0.07 83.71 02:31:01 AM 0 10.84 0.00 1.55 0.53 0.05 87.02 02:31:01 AM 1 12.91 0.00 1.05 0.90 0.08 85.05 02:31:01 AM 2 21.01 0.00 1.92 0.43 0.08 76.55 02:31:01 AM 3 10.63 0.00 1.17 0.33 0.07 87.80 02:31:01 AM 4 23.56 0.00 1.40 0.38 0.07 74.58 02:31:01 AM 5 12.34 0.00 1.09 0.79 0.07 85.72 02:31:01 AM 6 13.48 0.00 1.30 0.53 0.07 84.61 02:31:01 AM 7 9.01 0.00 1.31 1.26 0.07 88.36 02:32:01 AM all 28.11 0.00 1.63 0.39 0.08 69.78 02:32:01 AM 0 22.86 0.00 1.44 0.35 0.08 75.26 02:32:01 AM 1 38.57 0.00 1.66 0.08 0.08 59.60 02:32:01 AM 2 19.60 0.00 1.85 1.31 0.08 77.15 02:32:01 AM 3 30.47 0.00 2.14 0.22 0.08 67.09 02:32:01 AM 4 21.89 0.00 1.43 0.22 0.10 76.37 02:32:01 AM 5 36.83 0.00 2.17 0.69 0.08 60.23 02:32:01 AM 6 30.84 0.00 1.26 0.18 0.08 67.64 02:32:01 AM 7 23.87 0.00 1.09 0.08 0.07 74.89 02:33:01 AM all 23.05 0.34 3.42 0.55 0.09 72.55 02:33:01 AM 0 24.58 0.00 3.29 0.24 0.08 71.81 02:33:01 AM 1 20.88 0.10 2.88 0.24 0.08 75.82 02:33:01 AM 2 29.86 0.54 4.83 0.69 0.08 64.00 02:33:01 AM 3 22.84 0.00 3.69 0.94 0.10 72.42 02:33:01 AM 4 21.14 0.10 3.20 0.24 0.08 75.24 02:33:01 AM 5 25.93 0.02 3.20 0.37 0.08 70.40 02:33:01 AM 6 22.65 1.92 3.50 0.30 0.08 71.55 02:33:01 AM 7 16.53 0.03 2.75 1.42 0.10 79.18 Average: all 21.79 0.11 2.13 0.53 0.08 75.36 Average: 0 19.41 0.00 2.09 0.37 0.07 78.05 Average: 1 24.10 0.03 1.86 0.41 0.08 73.51 Average: 2 23.48 0.18 2.87 0.81 0.08 72.58 Average: 3 21.30 0.00 2.33 0.50 0.08 75.79 Average: 4 22.20 0.03 2.01 0.28 0.08 75.40 Average: 5 25.01 0.01 2.15 0.62 0.08 72.14 Average: 6 22.31 0.64 2.02 0.34 0.08 74.61 Average: 7 16.47 0.01 1.71 0.92 0.08 80.81