---> uname -a: Linux prd-centos8-docker-8c-8g-4613.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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: 2799.974 BogoMIPS: 5599.94 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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1052 26483 19 4354 30372 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:b0:f0:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.176/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:feb0:f0a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7a:ce:07:81 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::42:7aff:fece:781/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/25/2026 _x86_64_ (8 CPU) 02:29:03 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 211.30 16.76 194.54 3304.50 13535.57 02:32:01 AM 155.66 3.93 151.72 1110.88 13640.04 02:33:01 AM 134.47 17.53 116.94 5526.16 29100.32 Average: 167.14 12.74 154.40 3313.97 18758.93 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 29022144 30983256 3633568 11.13 2688 2277136 1664284 4.94 193196 2970088 71332 02:32:01 AM 26822444 29913248 5833268 17.86 2688 3388584 2698612 8.01 316248 4976476 793888 02:33:01 AM 27193180 31173568 5462532 16.73 2688 4270388 1462928 4.34 747680 4154128 702232 Average: 27679256 30690024 4976456 15.24 2688 3312036 1941941 5.76 419041 4033564 522484 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 183.79 153.17 1969.73 42.82 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 1528.86 560.39 11282.46 53.37 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 11.98 11.98 1.27 1.27 0.00 0.00 0.00 0.00 02:33:01 AM eth0 153.05 154.52 1383.03 1254.47 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.30 5.43 0.61 0.63 0.00 0.00 0.00 0.00 Average: lo 3.99 3.99 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 621.85 289.34 4878.05 450.24 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.81 0.20 0.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/25/2026 _x86_64_ (8 CPU) 02:29:03 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 12.30 0.00 1.17 4.46 0.06 82.01 02:31:01 AM 0 13.00 0.00 0.87 0.58 0.07 85.48 02:31:01 AM 1 6.12 0.00 1.05 9.16 0.08 83.58 02:31:01 AM 2 15.07 0.00 1.19 5.41 0.07 78.27 02:31:01 AM 3 17.26 0.00 1.12 1.45 0.07 80.10 02:31:01 AM 4 10.24 0.00 0.84 7.81 0.05 81.06 02:31:01 AM 5 16.28 0.00 1.79 3.20 0.07 78.67 02:31:01 AM 6 9.18 0.00 1.09 6.92 0.07 82.75 02:31:01 AM 7 11.25 0.00 1.44 1.12 0.05 86.14 02:32:01 AM all 27.17 0.00 2.01 0.40 0.09 70.34 02:32:01 AM 0 40.21 0.00 2.03 0.60 0.10 57.05 02:32:01 AM 1 29.75 0.00 2.10 0.40 0.07 67.68 02:32:01 AM 2 35.30 0.00 1.78 0.07 0.07 62.78 02:32:01 AM 3 7.64 0.00 2.68 0.13 0.10 89.44 02:32:01 AM 4 15.65 0.00 2.40 0.37 0.08 81.49 02:32:01 AM 5 25.98 0.00 1.75 1.17 0.08 71.01 02:32:01 AM 6 29.55 0.00 1.86 0.37 0.08 68.13 02:32:01 AM 7 33.25 0.00 1.46 0.05 0.10 65.14 02:33:01 AM all 21.23 0.26 2.54 0.70 0.08 75.20 02:33:01 AM 0 18.87 1.97 2.51 0.25 0.08 76.32 02:33:01 AM 1 20.44 0.10 2.68 1.82 0.08 74.87 02:33:01 AM 2 23.74 0.00 2.95 1.06 0.07 72.18 02:33:01 AM 3 21.52 0.00 2.93 1.32 0.08 74.14 02:33:01 AM 4 18.56 0.00 2.32 0.32 0.07 78.74 02:33:01 AM 5 26.42 0.00 2.58 0.32 0.07 70.61 02:33:01 AM 6 18.77 0.02 2.09 0.13 0.07 78.92 02:33:01 AM 7 21.52 0.02 2.23 0.37 0.08 75.78 Average: all 20.22 0.09 1.90 1.85 0.08 75.86 Average: 0 24.00 0.66 1.80 0.48 0.08 72.98 Average: 1 18.75 0.03 1.94 3.80 0.08 75.39 Average: 2 24.68 0.00 1.97 2.19 0.07 71.10 Average: 3 15.48 0.00 2.24 0.97 0.08 81.23 Average: 4 14.81 0.00 1.85 2.84 0.07 80.43 Average: 5 22.89 0.00 2.04 1.56 0.07 73.43 Average: 6 19.15 0.01 1.68 2.48 0.07 76.61 Average: 7 22.00 0.01 1.71 0.51 0.08 75.70