---> uname -a: Linux prd-centos8-docker-4c-4g-2434.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: 2799.996 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 1025 10902 19 3834 14388 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:9e:fd:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.128/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86094sec preferred_lft 86094sec inet6 fe80::f816:3eff:fe9e:fdfc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:75:6d:f1:10 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::42:75ff:fe6d:f110/64 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) 03/31/2026 _x86_64_ (4 CPU) 13:53:21 LINUX RESTART (4 CPU) 01:54:01 PM tps rtps wtps bread/s bwrtn/s 01:55:01 PM 196.93 5.01 191.92 452.52 10498.45 01:56:01 PM 197.17 3.15 194.02 786.54 25502.50 01:57:01 PM 1220.87 75.11 1145.76 1433.55 37624.87 01:58:01 PM 102.23 43.79 58.44 758.54 2683.34 Average: 429.35 31.77 397.58 857.81 19078.74 01:54:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:55:01 PM 12782576 14743284 3358956 20.81 2688 2167940 1506916 8.77 159120 2807292 195240 01:56:01 PM 11919264 14419028 4222268 26.16 2688 2693632 1923064 11.19 322720 3449752 5916 01:57:01 PM 10271372 13767780 5870160 36.37 2688 3491956 1826256 10.62 483964 4483912 22076 01:58:01 PM 11227644 14791416 4913888 30.44 2688 3554424 1141284 6.64 689256 3325544 53760 Average: 11550214 14430377 4591318 28.44 2688 2976988 1599380 9.30 413765 3516625 69248 01:54:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:55:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 PM eth0 171.98 141.20 2205.57 31.89 0.00 0.00 0.00 0.00 01:55:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:56:01 PM lo 6.43 6.43 4.52 4.52 0.00 0.00 0.00 0.00 01:56:01 PM eth0 359.93 245.23 4670.20 31.33 0.00 0.00 0.00 0.00 01:56:01 PM docker0 3.42 3.07 4.09 0.45 0.00 0.00 0.00 0.00 01:56:01 PM veth134da66 0.15 0.43 0.01 0.03 0.00 0.00 0.00 0.00 01:57:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:57:01 PM eth0 209.61 169.35 1848.68 1197.28 0.00 0.00 0.00 0.00 01:57:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:58:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:58:01 PM eth0 21.90 19.25 51.29 40.77 0.00 0.00 0.00 0.00 01:58:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.61 1.61 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 190.86 143.76 2194.01 325.36 0.00 0.00 0.00 0.00 Average: docker0 0.85 0.77 1.02 0.11 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) 03/31/2026 _x86_64_ (4 CPU) 13:53:21 LINUX RESTART (4 CPU) 01:54:01 PM CPU %user %nice %system %iowait %steal %idle 01:55:01 PM all 24.99 0.00 2.27 1.06 0.10 71.58 01:55:01 PM 0 31.36 0.00 2.87 1.20 0.10 64.47 01:55:01 PM 1 26.03 0.00 2.22 0.92 0.12 70.71 01:55:01 PM 2 15.54 0.00 1.12 0.75 0.08 82.50 01:55:01 PM 3 27.03 0.00 2.84 1.35 0.12 68.66 01:56:01 PM all 48.76 0.11 3.43 1.94 0.13 45.62 01:56:01 PM 0 50.21 0.14 3.75 2.89 0.14 42.87 01:56:01 PM 1 45.37 0.10 3.23 1.90 0.12 49.28 01:56:01 PM 2 49.43 0.02 3.41 1.76 0.15 45.23 01:56:01 PM 3 50.00 0.20 3.33 1.21 0.12 45.14 01:57:01 PM all 27.74 0.00 11.32 8.67 0.12 52.15 01:57:01 PM 0 22.57 0.00 9.48 6.87 0.10 60.98 01:57:01 PM 1 39.66 0.00 13.04 10.63 0.12 36.55 01:57:01 PM 2 30.69 0.00 11.63 7.48 0.12 50.09 01:57:01 PM 3 18.02 0.00 11.13 9.70 0.12 61.03 01:58:01 PM all 41.34 0.00 2.03 0.46 0.12 56.05 01:58:01 PM 0 37.65 0.00 2.25 0.37 0.13 59.60 01:58:01 PM 1 48.67 0.00 1.91 0.35 0.13 48.94 01:58:01 PM 2 40.92 0.00 2.07 0.54 0.10 56.37 01:58:01 PM 3 38.12 0.00 1.89 0.57 0.12 59.30 Average: all 35.69 0.03 4.74 3.01 0.12 56.42 Average: 0 35.47 0.03 4.57 2.81 0.12 57.00 Average: 1 39.90 0.03 5.07 3.42 0.12 51.45 Average: 2 34.12 0.00 4.53 2.61 0.11 58.62 Average: 3 33.29 0.05 4.77 3.18 0.12 58.59