---> uname -a: Linux prd-centos8-docker-4c-4g-1108.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: 2799.996 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: 15763 1020 10897 19 3844 14392 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:3a:74:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.53/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:fe3a:740f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:06:ad:e0:1c 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::42:6ff:fead:e01c/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) 05/18/2026 _x86_64_ (4 CPU) 22:06:34 LINUX RESTART (4 CPU) 10:07:03 PM tps rtps wtps bread/s bwrtn/s 10:08:01 PM 205.70 8.00 197.71 1251.43 10432.37 10:09:01 PM 253.89 5.49 248.40 913.41 27122.50 10:10:01 PM 1099.63 75.23 1024.40 1443.41 36578.33 10:11:01 PM 117.08 44.34 72.74 765.21 3897.98 Average: 420.86 33.47 387.39 1092.01 19587.94 10:07:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:08:01 PM 12949904 14875008 3191620 19.77 2688 2135064 1522456 8.86 154484 2654252 198048 10:09:01 PM 9425772 11937284 6715752 41.61 2688 2705392 4854684 28.24 300352 5952516 1300 10:10:01 PM 10333088 13838020 5808436 35.98 2688 3500284 1851456 10.77 414256 4499356 54640 10:11:01 PM 11200196 14774528 4941328 30.61 2688 3564100 1148396 6.68 617740 3430380 54892 Average: 10977240 13856210 5164284 31.99 2688 2976210 2344248 13.64 371708 4134126 77220 10:07:03 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:08:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:08:01 PM eth0 164.41 114.72 2008.85 25.03 0.00 0.00 0.00 0.00 10:08:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:09:01 PM lo 4.69 4.69 3.48 3.48 0.00 0.00 0.00 0.00 10:09:01 PM eth0 424.99 300.90 5173.84 37.95 0.00 0.00 0.00 0.00 10:09:01 PM docker0 2.73 2.58 3.13 0.39 0.00 0.00 0.00 0.00 10:09:01 PM vethba5c029 0.10 0.35 0.01 0.03 0.00 0.00 0.00 0.00 10:09:01 PM veth0a8baa9 2.63 2.50 3.16 0.38 0.00 0.00 0.00 0.00 10:10:01 PM lo 1.62 1.62 1.06 1.06 0.00 0.00 0.00 0.00 10:10:01 PM eth0 202.72 145.48 1859.92 25.68 0.00 0.00 0.00 0.00 10:10:01 PM docker0 0.52 0.48 0.94 0.06 0.00 0.00 0.00 0.00 10:11:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:11:01 PM eth0 19.23 17.10 50.29 6.70 0.00 0.00 0.00 0.00 10:11:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.59 1.59 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 203.24 144.86 2276.49 23.83 0.00 0.00 0.00 0.00 Average: docker0 0.82 0.77 1.03 0.11 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) 05/18/2026 _x86_64_ (4 CPU) 22:06:34 LINUX RESTART (4 CPU) 10:07:03 PM CPU %user %nice %system %iowait %steal %idle 10:08:01 PM all 22.91 0.00 2.29 1.16 0.08 73.57 10:08:01 PM 0 9.70 0.00 1.71 1.19 0.09 87.32 10:08:01 PM 1 41.38 0.00 3.87 1.16 0.10 53.49 10:08:01 PM 2 25.08 0.00 2.35 0.93 0.07 71.57 10:08:01 PM 3 15.51 0.00 1.21 1.35 0.07 81.86 10:09:01 PM all 41.89 0.10 3.34 1.55 0.11 53.01 10:09:01 PM 0 42.06 0.23 3.00 1.06 0.12 53.53 10:09:01 PM 1 40.71 0.02 3.62 1.83 0.12 53.70 10:09:01 PM 2 46.31 0.00 2.75 1.14 0.12 49.68 10:09:01 PM 3 38.49 0.13 4.00 2.17 0.10 55.11 10:10:01 PM all 30.23 0.00 10.27 7.39 0.13 51.98 10:10:01 PM 0 28.21 0.00 7.59 4.66 0.12 59.42 10:10:01 PM 1 25.35 0.00 11.71 7.98 0.12 54.84 10:10:01 PM 2 30.16 0.00 10.80 8.34 0.14 50.56 10:10:01 PM 3 37.22 0.00 10.98 8.60 0.14 43.06 10:11:01 PM all 41.20 0.00 2.07 0.54 0.11 56.07 10:11:01 PM 0 31.23 0.00 2.26 0.62 0.12 65.78 10:11:01 PM 1 27.77 0.00 1.59 0.45 0.12 70.07 10:11:01 PM 2 49.59 0.00 2.01 0.22 0.10 48.08 10:11:01 PM 3 56.26 0.00 2.45 0.85 0.12 40.33 Average: all 34.16 0.02 4.49 2.66 0.11 58.56 Average: 0 27.93 0.06 3.64 1.88 0.11 66.38 Average: 1 33.76 0.00 5.19 2.85 0.11 58.08 Average: 2 37.91 0.00 4.47 2.65 0.11 54.86 Average: 3 37.04 0.03 4.67 3.24 0.11 54.91