---> uname -a: Linux prd-centos8-docker-8c-8g-4863.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 1065 26497 19 4327 30358 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:19:63:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.171/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86149sec preferred_lft 86149sec inet6 fe80::f816:3eff:fe19:6370/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:80:8e:67:b5 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::42:80ff:fe8e:67b5/64 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) 04/22/2026 _x86_64_ (8 CPU) 12:24:31 LINUX RESTART (8 CPU) 12:25:01 PM tps rtps wtps bread/s bwrtn/s 12:26:01 PM 187.37 17.39 169.98 7649.98 10254.22 12:27:01 PM 236.21 4.73 231.48 1105.55 19422.13 12:28:01 PM 300.03 14.03 286.00 1144.74 30998.27 Average: 241.20 12.05 229.15 3300.33 20224.32 12:25:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:26:01 PM 29085032 31127652 3570672 10.93 2688 2360904 1978804 5.87 267744 2845984 207152 12:27:01 PM 27030436 29760328 5625268 17.23 2688 3038740 2601640 7.72 394052 4725724 336420 12:28:01 PM 26108848 29951980 6546856 20.05 2688 4133872 2648708 7.86 676964 5301300 566648 Average: 27408105 30279987 5247599 16.07 2688 3177839 2409717 7.15 446253 4291003 370073 12:25:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:26:01 PM eth0 180.67 133.07 2131.72 27.26 0.00 0.00 0.00 0.00 12:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:27:01 PM eth0 1155.82 544.16 9515.79 59.76 0.00 0.00 0.00 0.00 12:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM lo 12.78 12.78 1.35 1.35 0.00 0.00 0.00 0.00 12:28:01 PM eth0 653.19 216.06 4336.21 35.51 0.00 0.00 0.00 0.00 12:28:01 PM docker0 4.83 5.98 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.26 4.26 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 663.20 297.76 5327.73 40.84 0.00 0.00 0.00 0.00 Average: docker0 1.61 1.99 0.22 0.23 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) 04/22/2026 _x86_64_ (8 CPU) 12:24:31 LINUX RESTART (8 CPU) 12:25:01 PM CPU %user %nice %system %iowait %steal %idle 12:26:01 PM all 13.44 0.00 1.50 0.51 0.06 84.48 12:26:01 PM 0 4.11 0.00 0.50 0.02 0.08 95.29 12:26:01 PM 1 16.31 0.00 1.82 0.52 0.07 81.28 12:26:01 PM 2 26.06 0.00 2.79 0.77 0.07 70.31 12:26:01 PM 3 16.53 0.00 1.47 0.35 0.05 81.60 12:26:01 PM 4 4.50 0.00 1.02 0.99 0.07 93.43 12:26:01 PM 5 22.79 0.00 2.05 0.80 0.07 74.29 12:26:01 PM 6 6.89 0.00 1.07 0.08 0.07 91.89 12:26:01 PM 7 10.32 0.00 1.30 0.55 0.05 87.78 12:27:01 PM all 31.09 0.00 1.57 0.69 0.09 66.55 12:27:01 PM 0 23.76 0.00 1.69 0.50 0.08 73.96 12:27:01 PM 1 42.95 0.00 1.73 0.87 0.08 54.37 12:27:01 PM 2 19.57 0.00 1.36 1.26 0.08 77.73 12:27:01 PM 3 34.16 0.00 2.11 0.91 0.10 62.72 12:27:01 PM 4 18.77 0.00 0.85 0.72 0.08 79.57 12:27:01 PM 5 28.88 0.00 1.59 0.39 0.10 69.04 12:27:01 PM 6 33.48 0.00 1.51 0.40 0.08 64.52 12:27:01 PM 7 47.18 0.00 1.76 0.50 0.10 50.46 12:28:01 PM all 25.31 0.29 3.41 0.88 0.11 69.99 12:28:01 PM 0 19.25 2.12 3.49 0.15 0.12 74.87 12:28:01 PM 1 26.11 0.07 4.51 0.94 0.10 68.27 12:28:01 PM 2 23.12 0.03 2.80 1.35 0.10 72.60 12:28:01 PM 3 33.23 0.05 2.88 0.72 0.12 63.00 12:28:01 PM 4 26.84 0.00 2.64 0.34 0.12 70.07 12:28:01 PM 5 25.53 0.08 3.70 0.56 0.12 70.01 12:28:01 PM 6 18.09 0.00 3.87 2.38 0.12 75.54 12:28:01 PM 7 30.29 0.00 3.39 0.60 0.12 65.59 Average: all 23.27 0.10 2.16 0.69 0.09 73.69 Average: 0 15.70 0.70 1.89 0.22 0.09 81.39 Average: 1 28.44 0.02 2.68 0.78 0.08 67.99 Average: 2 22.92 0.01 2.31 1.12 0.08 73.55 Average: 3 27.95 0.02 2.15 0.66 0.09 69.14 Average: 4 16.69 0.00 1.50 0.68 0.09 81.04 Average: 5 25.73 0.03 2.45 0.58 0.10 71.12 Average: 6 19.49 0.00 2.15 0.95 0.09 77.32 Average: 7 29.26 0.00 2.15 0.55 0.09 67.95