---> uname -a: Linux prd-centos8-docker-4c-4g-18739.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: 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 805 11673 19 3282 14606 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:2d:31:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.70/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:fe2d:31b4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:98:44:d4:2d 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::42:98ff:fe44:d42d/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) 06/21/2026 _x86_64_ (4 CPU) 16:26:14 LINUX RESTART (4 CPU) 04:27:02 PM tps rtps wtps bread/s bwrtn/s 04:28:01 PM 157.53 15.27 142.26 3157.57 10428.25 04:29:01 PM 210.59 7.93 202.66 1184.28 11929.11 04:30:01 PM 188.02 2.40 185.62 3279.43 28997.62 Average: 185.54 8.49 177.05 2536.83 17156.14 04:27:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:28:01 PM 12871328 14971128 3267992 20.25 2688 2306260 1274056 7.41 185728 2688472 228732 04:29:01 PM 11779948 14253704 4359372 27.01 2688 2672804 1891192 11.00 294284 3637012 263680 04:30:01 PM 12012736 15010232 4126584 25.57 2688 3181828 1139816 6.63 451456 3196684 7440 Average: 12221337 14745021 3917983 24.28 2688 2720297 1435021 8.35 310489 3174056 166617 04:27:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:28:01 PM eth0 202.19 148.40 1972.33 36.28 0.00 0.00 0.00 0.00 04:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:29:01 PM eth0 265.71 237.62 2944.55 42.92 0.00 0.00 0.00 0.00 04:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:30:01 PM eth0 137.61 99.48 2141.36 533.18 0.00 0.00 0.00 0.00 04:30:01 PM docker0 35.53 32.08 518.87 4.23 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 201.84 161.92 2354.95 205.07 0.00 0.00 0.00 0.00 Average: docker0 11.91 10.75 173.93 1.42 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) 06/21/2026 _x86_64_ (4 CPU) 16:26:14 LINUX RESTART (4 CPU) 04:27:02 PM CPU %user %nice %system %iowait %steal %idle 04:28:01 PM all 24.09 0.00 2.20 1.13 0.07 72.51 04:28:01 PM 0 22.32 0.00 1.79 1.34 0.07 74.48 04:28:01 PM 1 29.06 0.00 2.93 1.96 0.09 65.97 04:28:01 PM 2 31.12 0.00 2.69 0.85 0.07 65.27 04:28:01 PM 3 13.85 0.00 1.41 0.36 0.07 84.32 04:29:01 PM all 43.72 0.00 2.30 4.32 0.08 49.58 04:29:01 PM 0 44.98 0.00 1.69 4.54 0.08 48.71 04:29:01 PM 1 50.48 0.00 2.17 3.61 0.08 43.66 04:29:01 PM 2 43.69 0.00 2.78 3.35 0.08 50.10 04:29:01 PM 3 35.73 0.00 2.54 5.77 0.08 55.87 04:30:01 PM all 25.01 0.00 4.16 5.67 0.09 65.08 04:30:01 PM 0 28.04 0.00 3.25 4.11 0.08 64.52 04:30:01 PM 1 20.85 0.00 3.88 6.65 0.08 68.54 04:30:01 PM 2 28.97 0.00 5.17 3.34 0.10 62.41 04:30:01 PM 3 22.19 0.00 4.32 8.57 0.08 64.83 Average: all 30.99 0.00 2.89 3.72 0.08 62.33 Average: 0 31.84 0.00 2.24 3.34 0.08 62.50 Average: 1 33.51 0.00 2.99 4.08 0.08 59.33 Average: 2 34.62 0.00 3.55 2.52 0.08 59.23 Average: 3 23.98 0.00 2.76 4.92 0.08 68.25