---> uname -a: Linux prd-centos8-docker-4c-4g-4896.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): 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: 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): 0-3 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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 822 12118 19 2822 14605 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:80:57:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.144/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86157sec preferred_lft 86157sec inet6 fe80::f816:3eff:fe80:5750/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f1:45:03:07 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 ---> 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_ (4 CPU) 13:58:51 LINUX RESTART (4 CPU) 01:59:01 PM tps rtps wtps bread/s bwrtn/s 02:00:01 PM 329.01 28.66 300.35 7065.38 44289.42 02:01:01 PM 276.36 20.71 255.66 4261.25 18384.84 02:02:01 PM 26.27 0.52 25.76 16.53 2997.60 Average: 210.57 16.63 193.94 3781.21 21889.45 01:59:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 PM 13186688 15014424 2954844 18.31 2688 2039576 1205944 7.02 147192 2441504 223848 02:01:01 PM 11549908 13844128 4591624 28.45 2688 2497032 2274076 13.23 249156 3923268 80652 02:02:01 PM 10879572 13177740 5261960 32.60 2688 2500784 2967952 17.27 256068 4587852 1704 Average: 11872056 14012097 4269476 26.45 2688 2345797 2149324 12.50 217472 3650875 102068 01:59:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:00:01 PM eth0 337.99 206.15 1854.87 71.28 0.00 0.00 0.00 0.00 02:00:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:01:01 PM lo 3.88 3.88 0.41 0.41 0.00 0.00 0.00 0.00 02:01:01 PM eth0 456.51 326.98 4719.90 64.30 0.00 0.00 0.00 0.00 02:01:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:02:01 PM lo 25.32 25.32 5.69 5.69 0.00 0.00 0.00 0.00 02:02:01 PM eth0 40.04 21.58 12.08 21.99 0.00 0.00 0.00 0.00 02:02:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.73 9.73 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 278.24 184.95 2196.46 52.53 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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_ (4 CPU) 13:58:51 LINUX RESTART (4 CPU) 01:59:01 PM CPU %user %nice %system %iowait %steal %idle 02:00:01 PM all 27.97 0.00 3.52 2.08 0.08 66.35 02:00:01 PM 0 25.55 0.00 4.24 3.50 0.10 66.61 02:00:01 PM 1 19.06 0.00 3.01 1.22 0.07 76.64 02:00:01 PM 2 35.04 0.00 3.89 2.88 0.10 58.09 02:00:01 PM 3 32.24 0.00 2.92 0.70 0.07 64.06 02:01:01 PM all 55.52 0.00 3.05 1.83 0.13 39.48 02:01:01 PM 0 56.94 0.00 3.38 1.42 0.15 38.11 02:01:01 PM 1 55.11 0.00 2.72 1.80 0.12 40.24 02:01:01 PM 2 46.92 0.00 4.12 2.98 0.12 45.87 02:01:01 PM 3 63.07 0.00 1.99 1.10 0.15 33.70 02:02:01 PM all 16.82 0.00 0.76 0.25 0.06 82.11 02:02:01 PM 0 20.00 0.00 0.48 0.02 0.07 79.43 02:02:01 PM 1 13.47 0.00 1.03 0.43 0.07 85.00 02:02:01 PM 2 11.86 0.00 0.90 0.53 0.07 86.63 02:02:01 PM 3 21.92 0.00 0.63 0.02 0.05 77.38 Average: all 33.43 0.00 2.44 1.38 0.09 62.65 Average: 0 34.16 0.00 2.70 1.65 0.11 61.39 Average: 1 29.22 0.00 2.26 1.15 0.08 67.29 Average: 2 31.26 0.00 2.97 2.13 0.09 63.54 Average: 3 39.07 0.00 1.85 0.61 0.09 58.38