---> uname -a: Linux prd-centos8-docker-4c-4g-4152.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 1052 10875 19 3835 14361 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:15:1f:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.15/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:fe15:1f92/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9c:a1:1f:b3 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::42:9cff:fea1:1fb3/64 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) 12:29:11 LINUX RESTART (4 CPU) 12:30:01 PM tps rtps wtps bread/s bwrtn/s 12:31:01 PM 287.35 6.26 281.09 1153.35 21296.13 12:32:01 PM 339.57 1.75 337.82 50.78 32845.37 12:33:01 PM 803.85 109.31 694.54 1903.53 18990.87 Average: 476.96 39.12 437.84 1035.98 24376.86 12:30:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:31:01 PM 11368884 13517472 4772640 29.57 2688 2352684 3016244 17.55 249164 4106224 120 12:32:01 PM 10411668 13795532 5729856 35.50 2688 3443304 1934276 11.25 365636 4644212 347572 12:33:01 PM 10175188 13704728 5966336 36.96 2688 3523852 2110940 12.28 428044 4648436 16964 Average: 10651913 13672577 5489611 34.01 2688 3106613 2353820 13.69 347615 4466291 121552 12:30:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 340.17 272.44 3984.66 42.23 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 12:31:01 PM vethf354c02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM veth49c4e27 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 PM lo 6.13 6.13 4.57 4.57 0.00 0.00 0.00 0.00 12:32:01 PM eth0 352.30 220.93 3976.94 32.46 0.00 0.00 0.00 0.00 12:32:01 PM docker0 3.23 3.00 4.08 0.44 0.00 0.00 0.00 0.00 12:33:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:33:01 PM eth0 5.46 4.00 58.82 2.41 0.00 0.00 0.00 0.00 12:33:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.04 2.04 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 232.62 165.77 2673.18 25.70 0.00 0.00 0.00 0.00 Average: docker0 1.08 1.00 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) 12:29:11 LINUX RESTART (4 CPU) 12:30:01 PM CPU %user %nice %system %iowait %steal %idle 12:31:01 PM all 37.96 0.00 2.72 1.76 0.11 57.45 12:31:01 PM 0 43.46 0.00 2.67 1.38 0.12 52.37 12:31:01 PM 1 34.00 0.00 1.74 1.20 0.10 62.95 12:31:01 PM 2 39.50 0.00 3.35 2.49 0.10 54.56 12:31:01 PM 3 34.87 0.00 3.13 1.96 0.12 59.93 12:32:01 PM all 36.84 0.09 8.43 2.45 0.10 52.08 12:32:01 PM 0 30.89 0.07 9.19 3.83 0.10 55.93 12:32:01 PM 1 29.59 0.08 7.39 1.85 0.10 60.97 12:32:01 PM 2 48.83 0.10 9.21 1.95 0.12 39.79 12:32:01 PM 3 38.04 0.10 7.93 2.18 0.09 51.65 12:33:01 PM all 35.84 0.00 3.89 6.64 0.11 53.53 12:33:01 PM 0 75.90 0.00 5.42 9.58 0.10 9.01 12:33:01 PM 1 23.72 0.00 2.57 4.06 0.12 69.53 12:33:01 PM 2 20.30 0.00 3.94 7.52 0.12 68.13 12:33:01 PM 3 23.50 0.00 3.63 5.42 0.10 67.34 Average: all 36.88 0.03 4.99 3.62 0.11 54.37 Average: 0 50.16 0.02 5.74 4.93 0.11 39.05 Average: 1 29.10 0.03 3.88 2.38 0.11 64.51 Average: 2 36.16 0.03 5.48 4.00 0.11 54.22 Average: 3 32.10 0.03 4.88 3.19 0.10 59.69