---> uname -a: Linux prd-centos8-docker-4c-4g-1219.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 745 12260 19 2757 14683 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:ac:39:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.8/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:feac:39b6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:66:ff:7e:2c 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) 03/11/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 194.20 15.16 179.04 3205.60 9910.40 01:25:01 PM 174.36 6.16 168.19 1054.85 14248.62 01:26:01 PM 33.06 2.32 30.74 99.98 734.53 Average: 133.88 7.88 126.00 1453.55 8298.27 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12934724 14896356 3206808 19.87 2688 2169620 1314292 7.65 183304 2633604 142200 01:25:01 PM 11520824 13751408 4620708 28.63 2688 2433916 2382112 13.86 249996 3955932 2860 01:26:01 PM 12572316 15058316 3569216 22.11 2688 2687592 1118968 6.51 517204 2639256 269144 Average: 12342621 14568693 3798911 23.54 2688 2430376 1605124 9.34 316835 3076264 138068 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 148.20 123.01 1578.21 29.98 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 14.16 14.16 3.61 3.61 0.00 0.00 0.00 0.00 01:25:01 PM eth0 358.13 248.73 3716.35 49.48 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 01:26:01 PM lo 15.03 15.03 2.48 2.48 0.00 0.00 0.00 0.00 01:26:01 PM eth0 65.74 68.16 279.92 928.84 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.73 9.73 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 190.70 146.64 1858.25 336.07 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) 03/11/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.50 0.00 2.33 1.30 0.10 69.77 01:24:01 PM 0 26.83 0.00 1.62 1.07 0.08 70.40 01:24:01 PM 1 21.98 0.00 2.08 1.31 0.10 74.54 01:24:01 PM 2 22.34 0.00 2.71 2.13 0.10 72.72 01:24:01 PM 3 34.86 0.00 2.93 0.70 0.10 61.41 01:25:01 PM all 51.37 0.00 1.85 1.61 0.11 45.05 01:25:01 PM 0 44.18 0.00 2.61 1.51 0.12 51.59 01:25:01 PM 1 61.79 0.00 0.68 0.25 0.10 37.18 01:25:01 PM 2 58.29 0.00 2.19 2.98 0.10 36.44 01:25:01 PM 3 41.19 0.00 1.93 1.71 0.12 55.05 01:26:01 PM all 15.11 0.00 1.30 0.52 0.06 83.00 01:26:01 PM 0 16.14 0.00 1.77 0.79 0.07 81.24 01:26:01 PM 1 16.23 0.00 0.95 0.30 0.07 82.45 01:26:01 PM 2 10.67 0.00 1.29 0.72 0.07 87.26 01:26:01 PM 3 17.40 0.00 1.19 0.28 0.05 81.08 Average: all 30.99 0.00 1.83 1.14 0.09 65.95 Average: 0 29.04 0.00 2.00 1.12 0.09 67.75 Average: 1 33.35 0.00 1.24 0.62 0.09 64.71 Average: 2 30.43 0.00 2.06 1.94 0.09 65.48 Average: 3 31.14 0.00 2.01 0.90 0.09 65.86