---> uname -a: Linux prd-centos8-docker-4c-4g-3449.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 765 12180 19 2817 14663 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:02:49:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.3/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fe02:49b3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c4:a1:01:a6 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) 04/20/2026 _x86_64_ (4 CPU) 01:27:37 LINUX RESTART (4 CPU) 01:28:01 AM tps rtps wtps bread/s bwrtn/s 01:29:01 AM 169.66 19.81 149.85 5333.02 7507.65 01:30:01 AM 269.06 20.45 248.61 4162.40 13553.24 01:31:01 AM 38.62 0.60 38.02 17.84 7980.26 Average: 159.09 13.62 145.47 3170.20 9680.46 01:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:29:01 AM 13233012 15028392 2908520 18.02 2688 2009580 1168208 6.80 146132 2405444 195592 01:30:01 AM 11671860 13961244 4469672 27.69 2688 2492776 2171660 12.63 241864 3815384 227708 01:31:01 AM 11389496 13682312 4752036 29.44 2688 2495952 2711444 15.77 250244 4088876 1132 Average: 12098123 14223983 4043409 25.05 2688 2332769 2017104 11.73 212747 3436568 141477 01:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM eth0 340.74 198.70 1863.13 71.87 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM lo 1.43 1.43 0.13 0.13 0.00 0.00 0.00 0.00 01:30:01 AM eth0 402.06 284.80 4720.93 61.03 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 AM lo 26.76 26.76 5.89 5.89 0.00 0.00 0.00 0.00 01:31:01 AM eth0 34.45 23.62 11.04 26.87 0.00 0.00 0.00 0.00 01:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.40 9.40 2.01 2.01 0.00 0.00 0.00 0.00 Average: eth0 259.03 169.01 2198.06 53.25 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) 04/20/2026 _x86_64_ (4 CPU) 01:27:37 LINUX RESTART (4 CPU) 01:28:01 AM CPU %user %nice %system %iowait %steal %idle 01:29:01 AM all 21.47 0.00 3.01 3.77 0.11 71.64 01:29:01 AM 0 16.14 0.00 2.97 3.43 0.10 77.36 01:29:01 AM 1 16.84 0.00 2.62 4.61 0.10 75.83 01:29:01 AM 2 25.23 0.00 3.00 4.79 0.12 66.86 01:29:01 AM 3 27.68 0.00 3.45 2.25 0.12 66.50 01:30:01 AM all 51.61 0.00 2.90 2.64 0.14 42.71 01:30:01 AM 0 61.14 0.00 2.79 1.97 0.17 33.92 01:30:01 AM 1 40.96 0.00 2.70 2.49 0.13 53.71 01:30:01 AM 2 54.87 0.00 2.96 3.13 0.13 38.89 01:30:01 AM 3 49.40 0.00 3.14 2.99 0.13 44.35 01:31:01 AM all 16.89 0.00 0.79 0.44 0.10 81.79 01:31:01 AM 0 22.65 0.00 0.30 0.00 0.08 76.97 01:31:01 AM 1 11.99 0.00 1.40 1.09 0.12 85.40 01:31:01 AM 2 21.11 0.00 0.58 0.00 0.08 78.23 01:31:01 AM 3 11.79 0.00 0.87 0.67 0.10 86.57 Average: all 29.97 0.00 2.23 2.28 0.12 65.41 Average: 0 33.29 0.00 2.02 1.80 0.12 62.77 Average: 1 23.24 0.00 2.24 2.73 0.12 71.68 Average: 2 33.72 0.00 2.18 2.64 0.11 61.35 Average: 3 29.59 0.00 2.48 1.97 0.12 65.84