---> uname -a: Linux prd-centos8-docker-4c-4g-4151.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 1084 10840 19 3837 14329 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:d7:5e:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.222/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86114sec preferred_lft 86114sec inet6 fe80::f816:3eff:fed7:5efc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e9:f9:ab:9b 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:e9ff:fef9:ab9b/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) 04/06/2026 _x86_64_ (4 CPU) 12:27:08 LINUX RESTART (4 CPU) 12:28:01 PM tps rtps wtps bread/s bwrtn/s 12:29:01 PM 246.93 6.00 240.93 748.28 14541.64 12:30:01 PM 212.41 2.02 210.40 496.10 33063.73 12:31:01 PM 1007.45 95.13 912.31 1697.97 25217.71 Average: 488.94 34.38 454.56 980.79 24274.90 12:28:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:29:01 PM 11919152 14041412 4222380 26.16 2688 2327092 2282096 13.28 191700 3622304 177768 12:30:01 PM 10846464 14025876 5295068 32.80 2688 3294708 1866868 10.86 366460 4309200 266932 12:31:01 PM 9027376 12535556 7114156 44.07 2688 3502756 2003796 11.66 416616 5788980 8 Average: 10597664 13534281 5543868 34.35 2688 3041519 2050920 11.93 324925 4573495 148236 12:28:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM eth0 341.29 256.74 3886.93 39.98 0.00 0.00 0.00 0.00 12:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM lo 6.15 6.15 4.54 4.54 0.00 0.00 0.00 0.00 12:30:01 PM eth0 359.11 242.54 3802.17 34.90 0.00 0.00 0.00 0.00 12:30:01 PM docker0 3.25 3.07 4.08 0.45 0.00 0.00 0.00 0.00 12:31:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM eth0 30.27 17.58 333.44 2.99 0.00 0.00 0.00 0.00 12:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.05 2.05 1.51 1.51 0.00 0.00 0.00 0.00 Average: eth0 243.55 172.28 2674.11 25.96 0.00 0.00 0.00 0.00 Average: docker0 1.08 1.02 1.36 0.15 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) 04/06/2026 _x86_64_ (4 CPU) 12:27:08 LINUX RESTART (4 CPU) 12:28:01 PM CPU %user %nice %system %iowait %steal %idle 12:29:01 PM all 30.72 0.00 2.34 1.24 0.09 65.60 12:29:01 PM 0 26.40 0.00 1.53 0.87 0.10 71.09 12:29:01 PM 1 29.62 0.00 1.77 1.09 0.08 67.44 12:29:01 PM 2 37.95 0.00 3.35 1.77 0.08 56.85 12:29:01 PM 3 28.93 0.00 2.72 1.24 0.10 67.01 12:30:01 PM all 39.93 0.10 6.73 1.19 0.10 51.95 12:30:01 PM 0 39.38 0.05 5.65 1.27 0.10 53.54 12:30:01 PM 1 35.35 0.05 5.40 1.10 0.08 58.02 12:30:01 PM 2 43.26 0.20 8.30 1.74 0.10 46.39 12:30:01 PM 3 41.74 0.10 7.56 0.66 0.10 49.84 12:31:01 PM all 32.82 0.00 5.79 6.52 0.10 54.77 12:31:01 PM 0 18.18 0.00 4.87 6.95 0.10 69.89 12:31:01 PM 1 41.70 0.00 5.81 6.56 0.10 45.84 12:31:01 PM 2 33.43 0.00 5.72 5.52 0.10 55.23 12:31:01 PM 3 38.01 0.00 6.77 7.05 0.10 48.06 Average: all 34.48 0.03 4.95 2.98 0.10 57.46 Average: 0 27.98 0.02 4.01 3.03 0.10 64.86 Average: 1 35.53 0.02 4.32 2.91 0.09 57.13 Average: 2 38.21 0.07 5.79 3.01 0.10 52.83 Average: 3 36.21 0.03 5.67 2.98 0.10 55.01