---> uname -a: Linux prd-centos8-docker-4c-4g-2193.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: 2799.974 BogoMIPS: 5599.94 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 804 12198 19 2760 14623 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:22:ab:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.46/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86161sec preferred_lft 86161sec inet6 fe80::f816:3eff:fe22:aba0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:26:fc:7c:f7 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) 03/15/2026 _x86_64_ (4 CPU) 13:22:18 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 281.21 15.83 265.38 3213.86 13389.82 01:25:01 PM 73.54 5.18 68.36 1036.49 9911.65 01:26:01 PM 41.55 1.53 40.02 93.44 1108.20 Average: 132.11 7.51 124.60 1448.05 8136.75 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12582556 14771244 3558976 22.05 2688 2393188 1453600 8.46 190760 2962624 263680 01:25:01 PM 11437528 13672292 4704004 29.14 2688 2438104 2554384 14.86 249812 4036860 1248 01:26:01 PM 12429556 14912904 3711976 23.00 2688 2683992 1310220 7.62 520316 2776432 255588 Average: 12149880 14452147 3991652 24.73 2688 2505095 1772735 10.31 320296 3258639 173505 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 384.66 294.19 5050.60 50.05 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 23.16 23.16 4.87 4.87 0.00 0.00 0.00 0.00 01:25:01 PM eth0 105.53 58.16 166.07 36.51 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 5.43 5.43 1.19 1.19 0.00 0.00 0.00 0.00 01:26:01 PM eth0 65.34 71.49 280.80 926.20 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 9.53 9.53 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 185.19 141.29 1832.76 337.59 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) 03/15/2026 _x86_64_ (4 CPU) 13:22:18 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 27.86 0.00 2.86 1.57 0.09 67.62 01:24:01 PM 0 20.32 0.00 2.12 1.37 0.08 76.12 01:24:01 PM 1 36.86 0.00 4.47 2.21 0.10 56.37 01:24:01 PM 2 29.71 0.00 1.87 0.87 0.08 67.46 01:24:01 PM 3 24.57 0.00 3.00 1.83 0.08 70.52 01:25:01 PM all 46.28 0.00 1.28 0.35 0.08 52.02 01:25:01 PM 0 46.29 0.00 1.37 0.17 0.08 52.09 01:25:01 PM 1 30.69 0.00 2.14 0.82 0.08 66.27 01:25:01 PM 2 55.89 0.00 0.52 0.13 0.07 43.39 01:25:01 PM 3 52.21 0.00 1.08 0.27 0.08 46.36 01:26:01 PM all 18.88 0.00 1.49 0.16 0.08 79.40 01:26:01 PM 0 17.24 0.00 1.08 0.08 0.08 81.51 01:26:01 PM 1 14.37 0.00 1.13 0.08 0.08 84.33 01:26:01 PM 2 23.00 0.00 2.00 0.40 0.08 74.52 01:26:01 PM 3 20.90 0.00 1.74 0.08 0.05 77.22 Average: all 31.01 0.00 1.88 0.69 0.08 66.35 Average: 0 27.94 0.00 1.52 0.54 0.08 69.91 Average: 1 27.29 0.00 2.58 1.04 0.09 69.00 Average: 2 36.21 0.00 1.46 0.47 0.08 61.78 Average: 3 32.58 0.00 1.94 0.72 0.07 64.69