---> uname -a: Linux prd-centos8-docker-4c-4g-6754.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: 2800.000 BogoMIPS: 5600.00 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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 813 12188 19 2761 14614 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:55:ab:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.246/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86132sec preferred_lft 86132sec inet6 fe80::f816:3eff:fe55:ab5f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:07:22:ac:5e 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 ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 02/10/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 191.52 15.00 176.52 3202.53 10306.18 01:25:01 PM 163.46 5.78 157.68 1043.39 11791.24 01:26:01 PM 28.21 0.52 27.69 16.53 1916.71 Average: 127.73 7.10 120.63 1420.72 8004.58 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12848392 14811840 3293140 20.40 2688 2171036 1389160 8.08 182664 2717104 120740 01:25:01 PM 11549932 13782888 4591600 28.45 2688 2435380 2331628 13.56 244088 3927004 49148 01:26:01 PM 12079640 14335996 4061892 25.16 2688 2458216 1755700 10.21 256568 3387660 21924 Average: 12159321 14310241 3982211 24.67 2688 2354877 1825496 10.62 227773 3343923 63937 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 140.16 113.35 1520.45 29.05 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 3.85 3.85 0.41 0.41 0.00 0.00 0.00 0.00 01:25:01 PM eth0 325.94 217.29 3735.93 47.72 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 25.21 25.21 5.69 5.69 0.00 0.00 0.00 0.00 01:26:01 PM eth0 42.74 33.51 231.27 22.39 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.69 9.69 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 169.61 121.38 1829.23 33.06 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 02/10/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.32 0.00 2.32 1.37 0.13 70.86 01:24:01 PM 0 18.10 0.00 1.65 0.83 0.13 79.28 01:24:01 PM 1 22.71 0.00 2.66 2.11 0.10 72.42 01:24:01 PM 2 28.77 0.00 2.31 1.09 0.15 67.69 01:24:01 PM 3 31.70 0.00 2.68 1.46 0.12 64.05 01:25:01 PM all 43.79 0.00 1.63 2.22 0.18 52.18 01:25:01 PM 0 46.64 0.00 2.02 2.65 0.27 48.42 01:25:01 PM 1 49.88 0.00 1.10 0.65 0.13 48.23 01:25:01 PM 2 42.73 0.00 1.50 1.92 0.12 53.73 01:25:01 PM 3 35.91 0.00 1.90 3.66 0.20 58.33 01:26:01 PM all 16.66 0.00 0.82 0.16 0.07 82.29 01:26:01 PM 0 20.62 0.00 0.45 0.03 0.07 78.83 01:26:01 PM 1 19.86 0.00 0.58 0.15 0.07 79.34 01:26:01 PM 2 12.30 0.00 0.89 0.27 0.07 86.48 01:26:01 PM 3 13.83 0.00 1.37 0.18 0.07 84.55 Average: all 28.59 0.00 1.59 1.25 0.12 68.44 Average: 0 28.46 0.00 1.37 1.17 0.16 68.84 Average: 1 30.82 0.00 1.45 0.97 0.10 66.66 Average: 2 27.93 0.00 1.57 1.09 0.11 69.30 Average: 3 27.15 0.00 1.98 1.77 0.13 68.97