---> uname -a: Linux prd-centos8-docker-4c-4g-3784.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1027 10896 19 3839 14386 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:0c:4b:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.114/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86070sec preferred_lft 86070sec inet6 fe80::f816:3eff:fe0c:4b6b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:36:c6:3f:8b 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::42:36ff:fec6:3f8b/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) 04/20/2026 _x86_64_ (4 CPU) 14:22:51 LINUX RESTART (4 CPU) 02:24:01 PM tps rtps wtps bread/s bwrtn/s 02:25:01 PM 191.20 4.60 186.60 430.59 13820.90 02:26:01 PM 189.29 3.15 186.14 805.86 20386.15 02:27:01 PM 1136.82 95.07 1041.75 1697.43 38244.80 02:28:01 PM 72.41 23.83 48.58 475.57 2292.77 Average: 397.44 31.66 365.78 852.38 18686.36 02:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:25:01 PM 12679976 14644452 3461556 21.45 2688 2171708 1649536 9.60 159036 2902840 44044 02:26:01 PM 11368340 14118124 4773192 29.57 2688 2940976 2184524 12.71 364240 3946980 248864 02:27:01 PM 9829764 13339056 6311768 39.10 2688 3504220 1984168 11.54 414608 4998456 6768 02:28:01 PM 11130416 14698788 5011116 31.04 2688 3558216 1194540 6.95 617928 3502480 36828 Average: 11252124 14200105 4889408 30.29 2688 3043780 1753192 10.20 388953 3837689 84126 02:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:25:01 PM eth0 152.24 121.68 1512.21 24.75 0.00 0.00 0.00 0.00 02:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:26:01 PM lo 6.06 6.06 4.52 4.52 0.00 0.00 0.00 0.00 02:26:01 PM eth0 449.32 311.98 5395.19 40.20 0.00 0.00 0.00 0.00 02:26:01 PM docker0 3.27 2.97 4.08 0.44 0.00 0.00 0.00 0.00 02:26:01 PM veth3d6c333 0.13 0.42 0.01 0.03 0.00 0.00 0.00 0.00 02:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:27:01 PM eth0 284.69 177.57 1133.13 20.89 0.00 0.00 0.00 0.00 02:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:28:01 PM eth0 22.36 19.59 53.78 8.07 0.00 0.00 0.00 0.00 02:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.52 1.52 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 227.15 157.71 2023.60 23.48 0.00 0.00 0.00 0.00 Average: docker0 0.82 0.74 1.02 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) 04/20/2026 _x86_64_ (4 CPU) 14:22:51 LINUX RESTART (4 CPU) 02:24:01 PM CPU %user %nice %system %iowait %steal %idle 02:25:01 PM all 19.44 0.00 1.97 1.36 0.08 77.16 02:25:01 PM 0 29.97 0.00 3.06 2.00 0.10 64.87 02:25:01 PM 1 14.51 0.00 1.37 1.15 0.08 82.88 02:25:01 PM 2 21.37 0.00 2.09 1.34 0.07 75.14 02:25:01 PM 3 11.88 0.00 1.36 0.94 0.07 85.76 02:26:01 PM all 46.23 0.09 3.83 1.06 0.12 48.67 02:26:01 PM 0 45.31 0.05 4.79 1.55 0.12 48.19 02:26:01 PM 1 48.37 0.10 3.64 0.89 0.12 46.89 02:26:01 PM 2 44.23 0.08 3.63 0.67 0.12 51.28 02:26:01 PM 3 47.02 0.12 3.27 1.12 0.12 48.35 02:27:01 PM all 28.21 0.00 10.11 8.39 0.12 53.16 02:27:01 PM 0 33.60 0.00 10.25 8.65 0.12 47.38 02:27:01 PM 1 29.82 0.00 9.26 5.97 0.14 54.82 02:27:01 PM 2 28.63 0.00 11.71 11.06 0.12 48.48 02:27:01 PM 3 20.79 0.00 9.23 7.89 0.12 61.98 02:28:01 PM all 34.13 0.00 1.80 2.83 0.12 61.12 02:28:01 PM 0 29.88 0.00 1.99 2.81 0.12 65.21 02:28:01 PM 1 44.91 0.00 1.89 2.91 0.12 50.18 02:28:01 PM 2 30.56 0.00 1.74 2.41 0.12 65.18 02:28:01 PM 3 31.18 0.00 1.59 3.20 0.12 63.92 Average: all 32.00 0.02 4.41 3.39 0.11 60.07 Average: 0 34.68 0.01 5.00 3.74 0.11 56.46 Average: 1 34.41 0.03 4.02 2.72 0.11 58.71 Average: 2 31.19 0.02 4.76 3.84 0.11 60.07 Average: 3 27.73 0.03 3.84 3.27 0.11 65.03