---> uname -a: Linux prd-centos8-docker-8c-8g-17137.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1030 26564 19 4295 30393 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:e2:d4:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.176/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fee2:d407/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2f:e2:38:b0 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::42:2fff:fee2:38b0/64 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) 02/16/2026 _x86_64_ (8 CPU) 02:28:20 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 207.61 14.58 193.04 3198.80 10888.94 02:31:01 AM 198.10 6.05 192.05 1193.80 16623.66 02:32:01 AM 139.69 15.83 123.86 5484.44 28809.08 Average: 181.80 12.15 169.65 3292.46 18774.01 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29209112 31080872 3446600 10.55 2688 2188588 1784172 5.29 183200 2799772 129020 02:31:01 AM 26653180 29655672 6002532 18.38 2688 3307812 2931360 8.70 306348 5181748 774088 02:32:01 AM 27201552 31120340 5454160 16.70 2688 4209048 1470852 4.36 743868 4146584 731936 Average: 27687948 30618961 4967764 15.21 2688 3235149 2062128 6.12 411139 4042701 545015 02:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 AM eth0 180.74 140.54 1840.09 42.33 0.00 0.00 0.00 0.00 02:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 2013.21 771.77 11696.96 70.11 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 11.75 11.75 1.26 1.26 0.00 0.00 0.00 0.00 02:32:01 AM eth0 135.09 109.18 1376.11 26.48 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.27 5.33 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 3.92 3.92 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 776.28 340.47 4970.68 46.31 0.00 0.00 0.00 0.00 Average: docker0 1.42 1.78 0.20 0.21 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) 02/16/2026 _x86_64_ (8 CPU) 02:28:20 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 12.89 0.00 1.21 1.02 0.05 84.83 02:30:01 AM 0 6.81 0.00 0.97 1.65 0.05 90.52 02:30:01 AM 1 9.24 0.00 1.00 0.75 0.07 88.94 02:30:01 AM 2 16.03 0.00 1.05 0.90 0.07 81.94 02:30:01 AM 3 19.31 0.00 1.22 0.55 0.05 78.86 02:30:01 AM 4 3.80 0.00 0.84 0.50 0.03 94.83 02:30:01 AM 5 31.49 0.00 2.91 1.84 0.08 63.68 02:30:01 AM 6 11.19 0.00 1.12 1.59 0.03 86.07 02:30:01 AM 7 5.28 0.00 0.58 0.33 0.03 93.77 02:31:01 AM all 28.05 0.00 1.87 1.06 0.08 68.93 02:31:01 AM 0 37.20 0.00 1.85 1.15 0.08 59.72 02:31:01 AM 1 24.42 0.00 1.41 0.08 0.07 74.02 02:31:01 AM 2 20.05 0.00 2.10 3.77 0.08 73.99 02:31:01 AM 3 8.95 0.00 1.85 1.02 0.08 88.09 02:31:01 AM 4 24.71 0.00 2.12 0.08 0.08 73.01 02:31:01 AM 5 26.17 0.00 2.03 1.28 0.08 70.44 02:31:01 AM 6 40.91 0.00 1.66 0.84 0.08 56.50 02:31:01 AM 7 42.02 0.00 1.95 0.25 0.10 55.68 02:32:01 AM all 21.74 0.28 2.75 1.11 0.08 74.04 02:32:01 AM 0 18.65 0.00 2.23 0.70 0.08 78.34 02:32:01 AM 1 22.80 0.03 2.90 1.94 0.08 72.24 02:32:01 AM 2 22.92 0.00 2.78 2.25 0.07 71.99 02:32:01 AM 3 24.23 0.29 3.12 1.54 0.10 70.72 02:32:01 AM 4 22.02 0.15 2.95 0.77 0.08 74.02 02:32:01 AM 5 18.13 0.03 3.02 0.64 0.07 78.11 02:32:01 AM 6 17.66 0.02 2.63 0.32 0.08 79.29 02:32:01 AM 7 27.52 1.70 2.35 0.72 0.07 67.65 Average: all 20.88 0.09 1.94 1.06 0.07 75.95 Average: 0 20.84 0.00 1.68 1.17 0.07 76.23 Average: 1 18.81 0.01 1.77 0.93 0.07 78.41 Average: 2 19.67 0.00 1.98 2.30 0.07 75.98 Average: 3 17.51 0.09 2.06 1.04 0.08 79.22 Average: 4 16.83 0.05 1.97 0.45 0.07 80.63 Average: 5 25.27 0.01 2.66 1.25 0.08 70.73 Average: 6 23.24 0.01 1.80 0.92 0.07 73.97 Average: 7 24.90 0.56 1.63 0.44 0.07 72.41