---> uname -a: Linux prd-centos8-docker-8c-8g-8984.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: 2799.998 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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1062 27149 19 3677 30368 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:e9:88:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.114/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86160sec preferred_lft 86160sec inet6 fe80::f816:3eff:fee9:884c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:27:60:c5:1a 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::42:27ff:fe60:c51a/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) 05/08/2026 _x86_64_ (8 CPU) 17:11:39 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 274.41 20.44 253.97 4141.69 9696.42 05:14:01 PM 509.72 4.80 504.92 1165.81 17595.50 05:15:01 PM 261.98 4.92 257.06 495.03 44389.14 Average: 348.69 10.05 338.64 1934.22 23894.03 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29103008 31020292 3552704 10.88 2688 2235320 1834656 5.44 159792 2937244 222288 05:14:01 PM 27811180 30195520 4844532 14.84 2688 2691888 2213980 6.57 372560 3968444 261752 05:15:01 PM 27819396 31113140 4836316 14.81 2688 3589924 1499880 4.45 645500 3647348 166116 Average: 28244528 30776317 4411184 13.51 2688 2839044 1849505 5.49 392617 3517679 216719 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 176.14 139.37 2102.92 40.62 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 531.56 448.78 6646.19 61.58 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 532.24 453.95 6044.98 1278.02 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.95 15.91 0.52 258.13 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 413.31 347.36 4931.27 460.09 0.00 0.00 0.00 0.00 Average: docker0 2.32 5.30 0.17 86.05 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) 05/08/2026 _x86_64_ (8 CPU) 17:11:39 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 12.39 0.00 1.27 0.61 0.06 85.67 05:13:01 PM 0 10.58 0.00 1.10 0.72 0.07 87.54 05:13:01 PM 1 10.23 0.00 1.00 0.67 0.05 88.05 05:13:01 PM 2 26.59 0.00 2.52 0.32 0.07 70.51 05:13:01 PM 3 21.48 0.00 2.29 0.85 0.07 75.31 05:13:01 PM 4 10.03 0.00 1.37 1.74 0.05 86.81 05:13:01 PM 5 8.03 0.00 0.63 0.13 0.03 91.17 05:13:01 PM 6 5.02 0.00 0.62 0.25 0.07 94.04 05:13:01 PM 7 7.17 0.00 0.65 0.20 0.05 91.93 05:14:01 PM all 29.64 0.00 1.90 1.16 0.09 67.20 05:14:01 PM 0 29.21 0.00 2.31 1.27 0.08 67.12 05:14:01 PM 1 31.11 0.00 1.77 1.16 0.10 65.86 05:14:01 PM 2 42.64 0.00 1.46 0.45 0.12 55.34 05:14:01 PM 3 26.25 0.00 2.20 1.29 0.08 70.18 05:14:01 PM 4 23.71 0.00 2.05 0.87 0.10 73.27 05:14:01 PM 5 31.91 0.00 1.40 0.55 0.10 66.04 05:14:01 PM 6 28.11 0.00 2.74 3.11 0.10 65.95 05:14:01 PM 7 24.18 0.00 1.27 0.62 0.07 73.87 05:15:01 PM all 18.10 0.00 2.67 0.81 0.08 78.34 05:15:01 PM 0 23.72 0.00 2.85 0.34 0.08 73.01 05:15:01 PM 1 10.03 0.00 3.16 1.58 0.07 85.17 05:15:01 PM 2 12.32 0.00 2.45 0.81 0.07 84.35 05:15:01 PM 3 25.06 0.00 3.29 2.01 0.08 69.55 05:15:01 PM 4 10.02 0.00 2.20 0.22 0.08 87.48 05:15:01 PM 5 30.06 0.00 3.07 0.54 0.08 66.25 05:15:01 PM 6 21.49 0.00 1.91 0.22 0.07 76.31 05:15:01 PM 7 12.07 0.00 2.42 0.81 0.07 84.64 Average: all 20.04 0.00 1.95 0.86 0.08 77.08 Average: 0 21.16 0.00 2.09 0.78 0.08 75.90 Average: 1 17.12 0.00 1.98 1.13 0.07 79.69 Average: 2 27.20 0.00 2.14 0.52 0.08 70.05 Average: 3 24.26 0.00 2.59 1.39 0.08 71.69 Average: 4 14.58 0.00 1.87 0.94 0.08 82.53 Average: 5 23.32 0.00 1.70 0.41 0.07 74.50 Average: 6 18.19 0.00 1.76 1.19 0.08 78.79 Average: 7 14.47 0.00 1.45 0.54 0.06 83.48