---> uname -a: Linux prd-centos8-docker-4c-4g-361.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 1522 10511 19 3727 13897 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:c2:d0:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.238/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85968sec preferred_lft 85968sec inet6 fe80::f816:3eff:fec2:d09c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c1:96:e4:cf 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) 07/17/2026 _x86_64_ (4 CPU) 08:01:06 LINUX RESTART (4 CPU) 08:02:01 AM tps rtps wtps bread/s bwrtn/s 08:03:01 AM 220.41 18.93 201.48 3466.71 14565.86 08:04:01 AM 141.07 3.12 137.95 766.01 38680.51 08:05:01 AM 28.71 0.05 28.66 1.07 6970.44 08:06:01 AM 3.88 0.00 3.88 0.00 303.33 08:07:01 AM 21.30 5.40 15.91 226.25 359.99 08:08:01 AM 28.64 0.43 28.21 56.25 2850.98 Average: 74.00 4.65 69.35 752.71 10621.57 08:02:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:03:01 AM 11728608 14812004 4410712 27.33 2688 3286488 1307692 7.61 196136 3806020 1046444 08:04:01 AM 10186416 13578616 5952904 36.88 2688 3589556 2448680 14.25 297712 5219784 196308 08:05:01 AM 8794896 12192768 7344424 45.51 2688 3595076 3663372 21.31 308148 6598692 2844 08:06:01 AM 8725852 12128796 7413468 45.93 2688 3599916 3710632 21.59 308380 6666016 1620 08:07:01 AM 11550020 15006352 4589300 28.44 2688 3652064 1065652 6.20 334076 3821980 45908 08:08:01 AM 10786512 14252740 5352808 33.17 2688 3660648 1815540 10.56 593556 4321636 16844 Average: 10295384 13661879 5843936 36.21 2688 3563958 2335261 13.59 339668 5072355 218328 08:02:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:03:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:03:01 AM eth0 757.61 313.13 17084.11 41.21 0.00 0.00 0.00 0.00 08:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 296.67 210.93 4269.14 27.73 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 97.98 63.73 41.29 54.43 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 238.99 165.81 71.39 70.83 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 6.88 6.88 0.83 0.83 0.00 0.00 0.00 0.00 08:07:01 AM eth0 243.17 143.84 617.17 56.03 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM eth0 83.36 51.03 34.08 174.65 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 286.30 158.08 3686.12 70.81 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) 07/17/2026 _x86_64_ (4 CPU) 08:01:06 LINUX RESTART (4 CPU) 08:02:01 AM CPU %user %nice %system %iowait %steal %idle 08:03:01 AM all 26.11 0.00 2.71 2.53 0.09 68.55 08:03:01 AM 0 41.19 0.00 3.36 2.42 0.12 52.91 08:03:01 AM 1 31.34 0.00 2.80 1.77 0.08 64.01 08:03:01 AM 2 18.42 0.00 2.96 3.83 0.08 74.70 08:03:01 AM 3 13.44 0.00 1.71 2.11 0.08 82.65 08:04:01 AM all 63.25 0.00 2.09 2.85 0.12 31.69 08:04:01 AM 0 53.83 0.00 2.76 1.62 0.12 41.68 08:04:01 AM 1 55.38 0.00 2.79 4.85 0.12 36.86 08:04:01 AM 2 71.91 0.00 1.75 4.68 0.12 21.54 08:04:01 AM 3 71.83 0.00 1.07 0.27 0.12 26.71 08:05:01 AM all 50.32 0.00 1.35 0.24 0.09 48.00 08:05:01 AM 0 61.56 0.00 1.55 0.00 0.08 36.80 08:05:01 AM 1 48.26 0.00 1.27 0.05 0.08 50.33 08:05:01 AM 2 43.65 0.00 1.29 0.85 0.10 54.11 08:05:01 AM 3 47.76 0.00 1.30 0.05 0.10 50.79 08:06:01 AM all 18.20 0.00 1.37 0.02 0.07 80.34 08:06:01 AM 0 14.82 0.00 1.24 0.02 0.07 83.87 08:06:01 AM 1 18.37 0.00 2.04 0.05 0.07 79.47 08:06:01 AM 2 21.58 0.00 1.05 0.00 0.07 77.30 08:06:01 AM 3 18.04 0.00 1.15 0.00 0.07 80.74 08:07:01 AM all 56.37 0.00 1.89 0.12 0.10 41.52 08:07:01 AM 0 55.56 0.00 1.29 0.00 0.10 43.05 08:07:01 AM 1 47.55 0.00 2.29 0.18 0.12 49.85 08:07:01 AM 2 60.64 0.00 1.86 0.08 0.10 37.32 08:07:01 AM 3 61.70 0.00 2.11 0.22 0.10 35.87 08:08:01 AM all 33.16 0.00 1.34 0.16 0.07 65.27 08:08:01 AM 0 43.29 0.00 1.10 0.07 0.08 55.46 08:08:01 AM 1 38.70 0.00 1.24 0.15 0.07 59.85 08:08:01 AM 2 39.54 0.00 1.52 0.07 0.07 58.81 08:08:01 AM 3 11.10 0.00 1.52 0.35 0.05 86.98 Average: all 41.23 0.00 1.79 0.99 0.09 55.90 Average: 0 45.04 0.00 1.88 0.69 0.09 52.29 Average: 1 39.93 0.00 2.07 1.18 0.09 56.73 Average: 2 42.63 0.00 1.74 1.59 0.09 53.96 Average: 3 37.33 0.00 1.48 0.50 0.09 60.61