---> uname -a: Linux prd-centos8-docker-4c-4g-1860.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: 2799.934 BogoMIPS: 5599.86 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 865 11781 19 3116 14552 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:44:58:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.211/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85975sec preferred_lft 85975sec inet6 fe80::f816:3eff:fe44:580c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:56:c5:1e:9a 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::42:56ff:fec5:1e9a/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) 04/15/2026 _x86_64_ (4 CPU) 11:53:43 LINUX RESTART (4 CPU) 11:54:01 AM tps rtps wtps bread/s bwrtn/s 11:55:01 AM 260.26 12.36 247.90 1886.70 8730.76 11:56:01 AM 214.34 20.90 193.44 4155.36 14870.50 11:57:01 AM 75.36 0.92 74.45 76.10 8344.46 11:58:02 AM 6.41 0.00 6.41 0.00 310.59 11:59:01 AM 53.82 3.34 50.48 559.85 13802.42 12:00:01 PM 40.35 0.10 40.25 1.33 5020.06 Average: 108.58 6.28 102.30 1114.86 8498.67 11:54:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:55:01 AM 13202056 15048680 2939476 18.21 2688 2056948 1134008 6.60 146332 2421912 218332 11:56:01 AM 11757268 13945844 4384264 27.16 2688 2393072 2096524 12.20 232940 3741896 41632 11:57:01 AM 10113452 12495716 6028080 37.35 2688 2583732 3390392 19.72 263004 5340896 2896 11:58:02 AM 9584616 11972416 6556916 40.62 2688 2589060 3909172 22.74 264652 5867076 2856 11:59:01 AM 6582352 9420820 9559180 59.22 2688 3029212 6880940 40.03 377016 8701608 22600 12:00:01 PM 10432384 13260536 5709148 35.37 2688 3018876 3012392 17.52 409640 4834380 10948 Average: 10278688 12690669 5862844 36.32 2688 2611817 3403905 19.80 282264 5151295 49877 11:54:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:55:01 AM eth0 338.44 196.80 1808.71 62.90 0.00 0.00 0.00 0.00 11:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:56:01 AM eth0 242.26 204.63 2663.23 36.19 0.00 0.00 0.00 0.00 11:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:57:01 AM eth0 201.73 150.96 2843.63 35.25 0.00 0.00 0.00 0.00 11:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:58:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:58:02 AM eth0 16.82 16.79 3.86 21.62 0.00 0.00 0.00 0.00 11:58:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:59:01 AM lo 4.24 4.24 0.53 0.53 0.00 0.00 0.00 0.00 11:59:01 AM eth0 194.85 123.99 2758.88 16.44 0.00 0.00 0.00 0.00 11:59:01 AM docker0 0.08 0.19 0.00 0.02 0.00 0.00 0.00 0.00 11:59:01 AM vethc75e5ff 0.08 0.30 0.00 0.03 0.00 0.00 0.00 0.00 11:59:01 AM br-a576b0f37322 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 11:59:01 AM vethcb608cc 0.00 0.19 0.00 0.02 0.00 0.00 0.00 0.00 12:00:01 PM lo 12.90 12.90 26.76 26.76 0.00 0.00 0.00 0.00 12:00:01 PM eth0 10.50 9.00 118.73 2.21 0.00 0.00 0.00 0.00 12:00:01 PM docker0 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 12:00:01 PM vethc75e5ff 0.12 0.18 0.01 0.01 0.00 0.00 0.00 0.00 12:00:01 PM br-a576b0f37322 5.86 5.61 25.62 0.93 0.00 0.00 0.00 0.00 Average: lo 2.85 2.85 4.56 4.56 0.00 0.00 0.00 0.00 Average: eth0 167.36 117.01 1696.62 29.14 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethc75e5ff 0.03 0.08 0.00 0.01 0.00 0.00 0.00 0.00 Average: br-a576b0f37322 0.98 0.95 4.28 0.16 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) 04/15/2026 _x86_64_ (4 CPU) 11:53:43 LINUX RESTART (4 CPU) 11:54:01 AM CPU %user %nice %system %iowait %steal %idle 11:55:01 AM all 23.01 0.00 2.88 1.09 0.08 72.95 11:55:01 AM 0 27.50 0.00 3.60 0.64 0.08 68.18 11:55:01 AM 1 17.69 0.00 1.92 0.47 0.07 79.85 11:55:01 AM 2 21.59 0.00 2.83 2.80 0.08 72.70 11:55:01 AM 3 25.26 0.00 3.15 0.47 0.08 71.04 11:56:01 AM all 47.12 0.00 3.18 1.31 0.10 48.30 11:56:01 AM 0 43.16 0.00 3.12 1.12 0.10 52.49 11:56:01 AM 1 46.12 0.00 1.96 1.12 0.10 50.70 11:56:01 AM 2 49.28 0.00 3.65 1.64 0.08 45.34 11:56:01 AM 3 49.92 0.00 3.98 1.34 0.10 44.65 11:57:01 AM all 52.46 0.00 1.63 0.33 0.08 45.49 11:57:01 AM 0 54.44 0.00 2.49 0.48 0.08 42.50 11:57:01 AM 1 52.39 0.00 1.32 0.37 0.08 45.84 11:57:01 AM 2 51.58 0.00 1.31 0.17 0.08 46.86 11:57:01 AM 3 51.42 0.00 1.42 0.32 0.08 46.75 11:58:02 AM all 18.72 0.00 0.43 0.01 0.07 80.77 11:58:02 AM 0 27.79 0.00 0.65 0.00 0.08 71.47 11:58:02 AM 1 11.97 0.00 0.37 0.02 0.08 87.56 11:58:02 AM 2 18.64 0.00 0.38 0.02 0.07 80.89 11:58:02 AM 3 16.46 0.00 0.30 0.02 0.05 83.17 11:59:01 AM all 43.70 0.00 3.03 0.57 0.09 52.61 11:59:01 AM 0 65.97 0.00 3.27 0.19 0.09 30.48 11:59:01 AM 1 35.80 0.00 2.90 0.74 0.09 60.48 11:59:01 AM 2 36.44 0.00 3.23 0.15 0.09 60.09 11:59:01 AM 3 36.49 0.00 2.73 1.19 0.10 59.48 12:00:01 PM all 18.01 0.00 1.99 0.54 0.10 79.35 12:00:01 PM 0 17.19 0.00 1.58 0.32 0.08 80.83 12:00:01 PM 1 15.78 0.00 2.33 0.07 0.10 81.72 12:00:01 PM 2 20.72 0.00 2.63 0.08 0.12 76.46 12:00:01 PM 3 18.35 0.00 1.41 1.71 0.12 78.40 Average: all 33.80 0.00 2.19 0.64 0.09 63.28 Average: 0 39.27 0.00 2.45 0.46 0.09 57.73 Average: 1 29.94 0.00 1.80 0.46 0.09 67.72 Average: 2 33.02 0.00 2.33 0.81 0.09 63.74 Average: 3 32.96 0.00 2.16 0.84 0.09 63.94