---> uname -a: Linux prd-centos8-docker-4c-4g-8613.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 1024 10810 19 3925 14387 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:89:6d:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.124/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86068sec preferred_lft 86068sec inet6 fe80::f816:3eff:fe89:6dc0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:82:8d:b3:a7 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::42:82ff:fe8d:b3a7/64 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) 06/06/2026 _x86_64_ (4 CPU) 07:46:05 LINUX RESTART (4 CPU) 07:47:01 AM tps rtps wtps bread/s bwrtn/s 07:48:01 AM 222.06 4.85 217.21 445.13 16456.46 07:49:01 AM 117.79 2.08 115.70 737.25 19180.92 07:50:01 AM 982.89 2.12 980.78 83.03 35965.10 07:51:01 AM 190.82 117.46 73.35 2108.58 4240.39 Average: 378.40 31.62 346.78 843.42 18962.17 07:47:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:48:01 AM 12502152 14684404 3637168 22.54 2688 2385472 1531604 8.91 163160 3056084 163640 07:49:01 AM 9799148 12389452 6340172 39.28 2688 2781696 4345584 25.28 276752 5592596 1124 07:50:01 AM 10320996 13855800 5818324 36.05 2688 3528856 1787644 10.40 353484 4567988 76524 07:51:01 AM 11155244 14801084 4984076 30.88 2688 3633056 1154168 6.72 431496 3657208 30668 Average: 10944385 13932685 5194935 32.19 2688 3082270 2204750 12.83 306223 4218469 67989 07:47:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:48:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:48:01 AM eth0 272.10 219.25 3760.15 35.82 0.00 0.00 0.00 0.00 07:48:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:49:01 AM lo 0.42 0.42 0.03 0.03 0.00 0.00 0.00 0.00 07:49:01 AM eth0 168.79 102.63 2500.52 11.44 0.00 0.00 0.00 0.00 07:49:01 AM docker0 0.18 0.30 0.01 0.03 0.00 0.00 0.00 0.00 07:49:01 AM veth93fdc2a 0.08 0.32 0.00 0.03 0.00 0.00 0.00 0.00 07:49:01 AM veth7b38ae0 0.10 0.22 0.01 0.02 0.00 0.00 0.00 0.00 07:50:01 AM lo 5.88 5.88 4.56 4.56 0.00 0.00 0.00 0.00 07:50:01 AM eth0 207.23 148.41 1805.72 29.33 0.00 0.00 0.00 0.00 07:50:01 AM docker0 3.20 2.88 4.08 0.43 0.00 0.00 0.00 0.00 07:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:51:01 AM eth0 15.83 12.93 99.72 5.43 0.00 0.00 0.00 0.00 07:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.57 1.57 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 165.99 120.80 2041.58 20.50 0.00 0.00 0.00 0.00 Average: docker0 0.85 0.80 1.02 0.11 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) 06/06/2026 _x86_64_ (4 CPU) 07:46:05 LINUX RESTART (4 CPU) 07:47:01 AM CPU %user %nice %system %iowait %steal %idle 07:48:01 AM all 19.94 0.00 2.04 8.53 0.16 69.32 07:48:01 AM 0 16.03 0.00 2.01 7.07 0.15 74.75 07:48:01 AM 1 16.34 0.00 1.87 17.80 0.17 63.82 07:48:01 AM 2 15.37 0.00 1.30 4.66 0.17 78.50 07:48:01 AM 3 32.04 0.00 2.99 4.58 0.17 60.22 07:49:01 AM all 25.58 0.04 2.14 25.66 0.08 46.51 07:49:01 AM 0 26.19 0.12 1.72 30.48 0.08 41.41 07:49:01 AM 1 25.32 0.03 2.66 40.58 0.07 31.33 07:49:01 AM 2 26.66 0.00 2.28 19.64 0.07 51.36 07:49:01 AM 3 24.13 0.00 1.89 11.96 0.08 61.94 07:50:01 AM all 33.47 0.05 9.78 11.23 0.12 45.34 07:50:01 AM 0 32.22 0.03 9.02 10.08 0.12 48.52 07:50:01 AM 1 27.51 0.10 9.91 12.36 0.12 49.99 07:50:01 AM 2 41.46 0.03 9.55 8.96 0.14 39.86 07:50:01 AM 3 32.69 0.03 10.63 13.53 0.12 43.00 07:51:01 AM all 42.09 0.00 1.96 1.42 0.11 54.42 07:51:01 AM 0 25.87 0.00 1.20 0.28 0.12 72.52 07:51:01 AM 1 29.58 0.00 1.74 1.47 0.10 67.10 07:51:01 AM 2 47.82 0.00 2.14 1.39 0.10 48.54 07:51:01 AM 3 65.09 0.00 2.76 2.54 0.12 29.48 Average: all 30.26 0.02 3.96 11.71 0.12 53.94 Average: 0 25.05 0.04 3.47 11.98 0.12 59.35 Average: 1 24.68 0.03 4.02 18.07 0.11 53.08 Average: 2 32.79 0.01 3.80 8.66 0.12 54.63 Average: 3 38.51 0.01 4.55 8.13 0.12 48.68