---> uname -a: Linux prd-centos8-docker-4c-4g-4737.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 821 11839 19 3101 14596 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:2a:f5:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.95/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86043sec preferred_lft 86043sec inet6 fe80::f816:3eff:fe2a:f56a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:19:f6:6a:05 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::42:19ff:fef6:6a05/64 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) 01/11/2026 _x86_64_ (4 CPU) 12:34:19 LINUX RESTART (4 CPU) 12:35:01 PM tps rtps wtps bread/s bwrtn/s 12:36:01 PM 201.72 2.30 199.42 186.10 10607.42 12:37:01 PM 138.70 5.13 133.57 1389.54 9607.40 12:38:01 PM 167.91 5.46 162.45 5718.89 24509.95 12:39:01 PM 2.85 0.00 2.85 0.00 60.84 12:40:01 PM 14.50 0.47 14.03 64.51 352.08 Average: 105.14 2.67 102.46 1471.90 9027.78 12:35:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:36:01 PM 12809928 14738024 3331596 20.64 2688 2134924 1604248 9.33 169736 2766964 163048 12:37:01 PM 12868320 14989964 3273204 20.28 2688 2325176 1263820 7.35 221640 2639288 64036 12:38:01 PM 12156612 14975344 3984912 24.69 2688 3010920 1326832 7.72 638000 2891488 40 12:39:01 PM 12156164 14974896 3985360 24.69 2688 3010920 1326832 7.72 638000 2892052 4 12:40:01 PM 12134884 14963896 4006640 24.82 2688 3020344 1238440 7.20 822192 2729836 16432 Average: 12425182 14928425 3716342 23.02 2688 2700457 1352034 7.87 497914 2783926 48712 12:35:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:36:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 PM eth0 236.64 194.00 2148.13 44.78 0.00 0.00 0.00 0.00 12:36:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 PM lo 18.28 18.28 2.37 2.37 0.00 0.00 0.00 0.00 12:37:01 PM eth0 525.34 326.89 1938.99 135.69 0.00 0.00 0.00 0.00 12:37:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 PM eth0 157.93 91.70 1930.19 11.58 0.00 0.00 0.00 0.00 12:38:01 PM docker0 20.84 24.84 1.31 608.65 0.00 0.00 0.00 0.00 12:38:01 PM veth82d51dd 0.25 0.27 0.04 0.03 0.00 0.00 0.00 0.00 12:39:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 PM eth0 0.43 0.38 0.08 0.24 0.00 0.00 0.00 0.00 12:39:01 PM docker0 0.10 0.05 0.02 0.00 0.00 0.00 0.00 0.00 12:39:01 PM veth82d51dd 0.10 0.10 0.02 0.01 0.00 0.00 0.00 0.00 12:40:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 PM eth0 15.86 11.61 12.31 6.27 0.00 0.00 0.00 0.00 12:40:01 PM docker0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.66 3.66 0.47 0.47 0.00 0.00 0.00 0.00 Average: eth0 187.25 124.92 1205.95 39.71 0.00 0.00 0.00 0.00 Average: docker0 4.19 4.98 0.27 121.74 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) 01/11/2026 _x86_64_ (4 CPU) 12:34:19 LINUX RESTART (4 CPU) 12:35:01 PM CPU %user %nice %system %iowait %steal %idle 12:36:01 PM all 32.03 0.00 2.43 1.46 0.09 63.99 12:36:01 PM 0 33.17 0.00 2.36 0.97 0.08 63.42 12:36:01 PM 1 23.68 0.00 1.69 1.00 0.10 73.52 12:36:01 PM 2 30.93 0.00 2.90 1.88 0.08 64.21 12:36:01 PM 3 40.32 0.00 2.76 2.01 0.08 54.83 12:37:01 PM all 35.58 0.00 2.68 0.88 0.09 60.78 12:37:01 PM 0 37.86 0.00 2.39 1.37 0.10 58.27 12:37:01 PM 1 32.38 0.00 2.08 0.39 0.08 65.07 12:37:01 PM 2 37.91 0.00 2.93 0.82 0.08 58.26 12:37:01 PM 3 34.14 0.00 3.31 0.94 0.08 61.52 12:38:01 PM all 24.18 0.00 4.59 2.11 0.07 69.04 12:38:01 PM 0 27.10 0.00 4.27 0.94 0.08 67.60 12:38:01 PM 1 27.23 0.00 5.40 3.39 0.07 63.91 12:38:01 PM 2 18.62 0.00 3.78 2.86 0.07 74.68 12:38:01 PM 3 23.76 0.00 4.90 1.28 0.07 70.00 12:39:01 PM all 0.16 0.00 0.03 0.01 0.02 99.77 12:39:01 PM 0 0.08 0.00 0.03 0.00 0.03 99.85 12:39:01 PM 1 0.12 0.00 0.03 0.03 0.03 99.78 12:39:01 PM 2 0.22 0.00 0.03 0.00 0.00 99.75 12:39:01 PM 3 0.23 0.00 0.03 0.00 0.02 99.72 12:40:01 PM all 9.05 0.00 0.81 0.03 0.04 90.06 12:40:01 PM 0 13.11 0.00 0.87 0.03 0.05 85.94 12:40:01 PM 1 6.64 0.00 0.93 0.02 0.05 92.36 12:40:01 PM 2 12.47 0.00 0.92 0.07 0.05 86.50 12:40:01 PM 3 3.99 0.00 0.53 0.02 0.02 95.45 Average: all 20.17 0.00 2.10 0.90 0.06 76.76 Average: 0 22.25 0.00 1.98 0.66 0.07 75.04 Average: 1 17.98 0.00 2.02 0.96 0.07 78.96 Average: 2 20.01 0.00 2.11 1.12 0.06 76.71 Average: 3 20.46 0.00 2.30 0.85 0.05 76.34