---> uname -a: Linux prd-centos8-docker-4c-4g-565.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1026 10802 19 3932 14385 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:cd:46:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.121/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86064sec preferred_lft 86064sec inet6 fe80::f816:3eff:fecd:46bc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f2:7d:61:78 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:f2ff:fe7d:6178/64 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) 07/22/2026 _x86_64_ (4 CPU) 15:48:24 LINUX RESTART (4 CPU) 03:49:01 PM tps rtps wtps bread/s bwrtn/s 03:50:01 PM 135.26 2.08 133.18 323.41 9680.52 03:51:01 PM 240.94 5.25 235.69 895.57 28823.41 03:52:01 PM 151.77 1.55 150.22 77.69 11848.34 03:53:01 PM 1103.27 94.72 1008.55 1694.78 28346.83 03:54:01 PM 81.10 24.73 56.37 546.71 2500.17 Average: 342.45 25.66 316.79 707.60 16239.98 03:49:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:50:01 PM 12923820 14929508 3215500 19.92 2688 2213236 1577268 9.18 154808 2671288 251312 03:51:01 PM 9775020 12373308 6364300 39.43 2688 2789524 4410984 25.66 276832 5617144 1228 03:52:01 PM 10454236 13928020 5685084 35.23 2688 3536672 1817100 10.57 353512 4627768 551832 03:53:01 PM 9024092 12628800 7115228 44.09 2688 3594268 1953068 11.36 403664 5784372 20 03:54:01 PM 11060344 14727700 5078976 31.47 2688 3651800 1207908 7.03 622592 3546568 24312 Average: 10647502 13717467 5491818 34.03 2688 3157100 2193266 12.76 362282 4449428 165741 03:49:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:50:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:01 PM eth0 124.98 85.32 1793.59 19.29 0.00 0.00 0.00 0.00 03:50:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:51:01 PM lo 0.75 0.75 0.77 0.77 0.00 0.00 0.00 0.00 03:51:01 PM eth0 471.69 323.06 5289.67 42.23 0.00 0.00 0.00 0.00 03:51:01 PM docker0 0.47 0.53 0.73 0.05 0.00 0.00 0.00 0.00 03:51:01 PM vethbe6442a 0.10 0.33 0.01 0.03 0.00 0.00 0.00 0.00 03:51:01 PM vethc8de069 0.37 0.43 0.73 0.04 0.00 0.00 0.00 0.00 03:52:01 PM lo 5.63 5.63 3.83 3.83 0.00 0.00 0.00 0.00 03:52:01 PM eth0 188.81 145.24 1816.73 30.45 0.00 0.00 0.00 0.00 03:52:01 PM docker0 2.93 2.75 3.36 0.41 0.00 0.00 0.00 0.00 03:53:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 PM eth0 5.57 3.75 58.92 1.11 0.00 0.00 0.00 0.00 03:53:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:54:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:54:01 PM eth0 32.84 28.11 60.74 11.65 0.00 0.00 0.00 0.00 03:54:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.28 1.28 0.92 0.92 0.00 0.00 0.00 0.00 Average: eth0 164.79 117.11 1804.05 20.95 0.00 0.00 0.00 0.00 Average: docker0 0.68 0.66 0.82 0.09 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) 07/22/2026 _x86_64_ (4 CPU) 15:48:24 LINUX RESTART (4 CPU) 03:49:01 PM CPU %user %nice %system %iowait %steal %idle 03:50:01 PM all 21.79 0.00 2.04 0.66 0.09 75.41 03:50:01 PM 0 35.67 0.00 2.76 0.75 0.12 60.70 03:50:01 PM 1 22.04 0.00 2.17 0.77 0.08 74.94 03:50:01 PM 2 19.67 0.00 2.17 0.69 0.08 77.38 03:50:01 PM 3 9.74 0.00 1.06 0.45 0.08 88.67 03:51:01 PM all 34.68 0.03 3.29 2.10 0.13 59.78 03:51:01 PM 0 30.97 0.00 3.81 3.04 0.12 62.07 03:51:01 PM 1 35.26 0.10 3.59 2.12 0.12 58.81 03:51:01 PM 2 36.38 0.00 2.89 1.65 0.13 58.95 03:51:01 PM 3 36.09 0.03 2.85 1.61 0.13 59.28 03:52:01 PM all 32.03 0.06 7.60 1.81 0.14 58.36 03:52:01 PM 0 43.63 0.05 8.10 3.36 0.15 44.70 03:52:01 PM 1 27.72 0.03 8.35 1.73 0.14 62.04 03:52:01 PM 2 30.52 0.02 7.05 0.44 0.15 61.81 03:52:01 PM 3 26.22 0.14 6.92 1.68 0.10 64.95 03:53:01 PM all 31.27 0.00 5.01 11.42 0.13 52.16 03:53:01 PM 0 25.83 0.00 5.65 15.53 0.13 52.85 03:53:01 PM 1 63.23 0.00 4.55 7.43 0.17 24.62 03:53:01 PM 2 16.62 0.00 4.97 9.54 0.10 68.77 03:53:01 PM 3 19.38 0.00 4.88 13.17 0.13 62.43 03:54:01 PM all 31.39 0.00 2.16 0.38 0.10 65.97 03:54:01 PM 0 39.87 0.00 2.29 0.43 0.12 57.29 03:54:01 PM 1 43.45 0.00 3.12 0.33 0.10 53.00 03:54:01 PM 2 15.97 0.00 1.47 0.35 0.12 82.09 03:54:01 PM 3 26.23 0.00 1.76 0.39 0.08 71.54 Average: all 30.22 0.02 4.01 3.27 0.12 62.36 Average: 0 35.19 0.01 4.51 4.61 0.13 55.55 Average: 1 38.35 0.03 4.35 2.47 0.12 54.68 Average: 2 23.81 0.00 3.70 2.53 0.12 69.84 Average: 3 23.53 0.03 3.48 3.46 0.11 69.39