---> uname -a: Linux prd-centos8-docker-4c-4g-12090.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 884 11190 19 3686 14527 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:fd:e9:9c 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 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:fefd:e99c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5a:63:da:b8 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::42:5aff:fe63:dab8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/15/2026 _x86_64_ (4 CPU) 13:38:18 LINUX RESTART (4 CPU) 01:39:02 PM tps rtps wtps bread/s bwrtn/s 01:40:01 PM 183.63 14.71 168.93 3157.03 10928.43 01:41:01 PM 248.95 8.65 240.30 842.92 15260.61 01:42:01 PM 197.00 2.28 194.72 3276.12 39971.60 Average: 210.01 8.51 201.50 2421.22 22114.68 01:39:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:40:01 PM 12877640 14984956 3261672 20.21 2688 2313628 1480608 8.61 189072 2676788 238840 01:41:01 PM 11703012 14146284 4436300 27.49 2688 2640584 1920100 11.17 262056 3737524 149572 01:42:01 PM 11452212 14862124 4687100 29.04 2688 3588892 1253276 7.29 607236 3589936 7408 Average: 12010955 14664455 4128357 25.58 2688 2847701 1551328 9.03 352788 3334749 131940 01:39:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:40:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:01 PM eth0 189.80 149.36 2181.06 35.56 0.00 0.00 0.00 0.00 01:40:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:41:01 PM lo 4.65 4.65 0.73 0.73 0.00 0.00 0.00 0.00 01:41:01 PM eth0 383.86 325.16 4608.34 63.71 0.00 0.00 0.00 0.00 01:41:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:42:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:42:01 PM eth0 216.11 174.07 2296.98 1949.73 0.00 0.00 0.00 0.00 01:42:01 PM docker0 101.73 97.02 1933.70 8.28 0.00 0.00 0.00 0.00 Average: lo 1.56 1.56 0.24 0.24 0.00 0.00 0.00 0.00 Average: eth0 263.67 216.57 3033.57 686.55 0.00 0.00 0.00 0.00 Average: docker0 34.10 32.52 648.10 2.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/15/2026 _x86_64_ (4 CPU) 13:38:18 LINUX RESTART (4 CPU) 01:39:02 PM CPU %user %nice %system %iowait %steal %idle 01:40:01 PM all 26.82 0.00 2.23 0.93 0.09 69.93 01:40:01 PM 0 33.73 0.00 2.28 0.80 0.10 63.09 01:40:01 PM 1 18.77 0.00 2.04 1.43 0.09 77.68 01:40:01 PM 2 41.41 0.00 3.23 0.54 0.10 54.72 01:40:01 PM 3 13.33 0.00 1.36 0.95 0.09 84.27 01:41:01 PM all 47.72 0.00 2.30 1.38 0.12 48.48 01:41:01 PM 0 49.10 0.00 3.31 2.13 0.12 45.34 01:41:01 PM 1 46.43 0.00 1.91 1.34 0.12 50.21 01:41:01 PM 2 53.44 0.00 1.17 0.70 0.10 44.58 01:41:01 PM 3 41.89 0.00 2.81 1.37 0.13 53.80 01:42:01 PM all 28.24 0.00 3.59 1.89 0.08 66.20 01:42:01 PM 0 37.64 0.00 4.54 2.14 0.08 55.59 01:42:01 PM 1 24.73 0.00 3.40 2.13 0.08 69.65 01:42:01 PM 2 28.83 0.00 3.77 2.32 0.10 64.98 01:42:01 PM 3 21.73 0.00 2.64 0.96 0.07 74.60 Average: all 34.31 0.00 2.71 1.40 0.10 61.49 Average: 0 40.19 0.00 3.38 1.69 0.10 54.63 Average: 1 30.04 0.00 2.45 1.63 0.10 65.78 Average: 2 41.25 0.00 2.72 1.19 0.10 54.74 Average: 3 25.73 0.00 2.28 1.10 0.10 70.80