---> uname -a: Linux prd-centos8-docker-4c-4g-12384.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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 818 12042 19 2900 14605 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:39:aa:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.22/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fe39:aaca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:dd:2c:7c:3d 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/16/2026 _x86_64_ (4 CPU) 13:22:26 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 160.20 15.01 145.18 3145.48 9448.38 01:25:01 PM 211.15 6.24 204.91 1079.01 18436.44 01:26:02 PM 27.64 0.52 27.12 17.19 784.47 Average: 133.02 7.26 125.76 1413.80 9558.90 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12724692 14804888 3414628 21.16 2688 2287224 1408776 8.20 159440 2864508 253216 01:25:01 PM 11240296 13612384 4899024 30.35 2688 2572824 2486932 14.47 255004 4216144 12080 01:26:02 PM 12401536 15014188 3737784 23.16 2688 2811780 1140324 6.63 349548 2963484 246372 Average: 12122175 14477153 4017145 24.89 2688 2557276 1678677 9.77 254664 3348045 170556 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 157.38 114.30 1859.91 25.23 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 9.42 9.42 3.07 3.07 0.00 0.00 0.00 0.00 01:25:01 PM eth0 342.77 231.28 3999.90 51.37 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:02 PM lo 19.29 19.29 2.99 2.99 0.00 0.00 0.00 0.00 01:26:02 PM eth0 61.28 51.28 269.49 24.68 0.00 0.00 0.00 0.00 01:26:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.57 9.57 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 187.19 132.31 2043.65 33.76 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/16/2026 _x86_64_ (4 CPU) 13:22:26 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 23.18 0.00 2.25 0.87 0.09 73.61 01:24:01 PM 0 17.57 0.00 1.56 0.45 0.08 80.34 01:24:01 PM 1 36.12 0.00 2.84 0.95 0.10 59.98 01:24:01 PM 2 25.37 0.00 3.05 1.47 0.08 70.02 01:24:01 PM 3 13.66 0.00 1.56 0.59 0.08 84.12 01:25:01 PM all 58.74 0.00 2.64 1.64 0.12 36.87 01:25:01 PM 0 46.73 0.00 3.42 2.61 0.12 47.13 01:25:01 PM 1 53.32 0.00 3.19 1.85 0.13 41.50 01:25:01 PM 2 69.67 0.00 1.47 0.77 0.10 27.99 01:25:01 PM 3 65.22 0.00 2.48 1.34 0.12 30.85 01:26:02 PM all 13.80 0.00 1.22 0.12 0.06 84.80 01:26:02 PM 0 12.67 0.00 1.09 0.13 0.05 86.06 01:26:02 PM 1 14.44 0.00 1.15 0.05 0.05 84.31 01:26:02 PM 2 14.45 0.00 1.34 0.20 0.07 83.95 01:26:02 PM 3 13.65 0.00 1.32 0.08 0.07 84.88 Average: all 31.90 0.00 2.04 0.88 0.09 65.10 Average: 0 25.64 0.00 2.02 1.06 0.08 71.19 Average: 1 34.63 0.00 2.40 0.95 0.09 61.93 Average: 2 36.50 0.00 1.95 0.81 0.08 60.65 Average: 3 30.84 0.00 1.78 0.67 0.09 66.62