---> uname -a: Linux prd-centos8-docker-4c-4g-4053.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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 798 12207 19 2756 14629 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:af:73:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.95/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86165sec preferred_lft 86165sec inet6 fe80::f816:3eff:feaf:7366/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2d:2d:91:d6 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) 03/23/2026 _x86_64_ (4 CPU) 01:27:46 LINUX RESTART (4 CPU) 01:28:01 AM tps rtps wtps bread/s bwrtn/s 01:29:01 AM 290.57 26.81 263.76 7027.23 43548.91 01:30:01 AM 281.55 19.82 261.73 3994.94 17870.14 01:31:01 AM 25.17 0.60 24.57 17.85 1981.55 Average: 199.08 15.74 183.34 3679.45 21129.80 01:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:29:01 AM 13341784 15091944 2799740 17.34 2688 1965916 1177184 6.85 137780 2308616 159016 01:30:01 AM 11736320 13962608 4405204 27.29 2688 2429928 2202180 12.81 241924 3744112 49120 01:31:01 AM 12240412 14471560 3901112 24.17 2688 2434560 1682996 9.79 250856 3237088 3868 Average: 12439505 14508704 3702019 22.93 2688 2276801 1687453 9.82 210187 3096605 70668 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 380.62 210.65 1703.06 71.98 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 3.81 3.81 0.40 0.40 0.00 0.00 0.00 0.00 01:30:01 AM eth0 456.45 323.87 4467.13 60.57 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 25.25 25.25 5.68 5.68 0.00 0.00 0.00 0.00 01:31:01 AM eth0 28.68 18.65 10.10 20.41 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 9.69 9.69 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 288.57 184.39 2060.15 50.98 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) 03/23/2026 _x86_64_ (4 CPU) 01:27:46 LINUX RESTART (4 CPU) 01:28:01 AM CPU %user %nice %system %iowait %steal %idle 01:29:01 AM all 25.72 0.00 3.63 2.11 0.08 68.47 01:29:01 AM 0 40.91 0.00 3.63 1.82 0.07 53.57 01:29:01 AM 1 24.02 0.00 4.02 2.29 0.08 69.58 01:29:01 AM 2 22.59 0.00 3.48 0.52 0.07 73.34 01:29:01 AM 3 15.32 0.00 3.39 3.79 0.08 77.42 01:30:01 AM all 54.87 0.00 2.71 1.43 0.10 40.90 01:30:01 AM 0 57.96 0.00 1.63 0.83 0.10 39.48 01:30:01 AM 1 61.45 0.00 3.56 1.31 0.08 33.60 01:30:01 AM 2 57.31 0.00 2.37 1.40 0.12 38.80 01:30:01 AM 3 42.74 0.00 3.28 2.16 0.08 51.74 01:31:01 AM all 17.18 0.00 0.82 0.09 0.06 81.85 01:31:01 AM 0 22.16 0.00 0.50 0.03 0.07 77.24 01:31:01 AM 1 13.72 0.00 1.14 0.23 0.07 84.84 01:31:01 AM 2 19.21 0.00 0.92 0.08 0.05 79.74 01:31:01 AM 3 13.62 0.00 0.74 0.00 0.07 85.58 Average: all 32.58 0.00 2.39 1.21 0.08 63.75 Average: 0 40.34 0.00 1.92 0.90 0.08 56.76 Average: 1 33.05 0.00 2.90 1.28 0.08 62.69 Average: 2 33.03 0.00 2.26 0.67 0.08 63.97 Average: 3 23.89 0.00 2.47 1.98 0.08 71.59