---> uname -a: Linux prd-centos8-docker-4c-4g-1321.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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: 15761 766 12191 20 2802 14653 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:57:00:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.155/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86043sec preferred_lft 86043sec inet6 fe80::f816:3eff:fe57:ac/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ae:4b:e2:a6 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) 09/14/2026 _x86_64_ (4 CPU) 10:54:52 LINUX RESTART (4 CPU) 10:55:01 AM tps rtps wtps bread/s bwrtn/s 10:56:01 AM 317.06 129.46 187.60 14218.23 42954.75 10:57:01 AM 222.08 20.33 201.75 4127.96 16731.36 10:58:01 AM 106.33 1.72 104.62 102.77 10894.29 10:59:01 AM 4.11 0.00 4.11 0.00 345.04 11:00:01 AM 5.38 2.77 2.62 136.89 241.50 Average: 130.99 30.85 100.14 3717.04 14232.92 10:55:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:56:01 AM 13304888 15109536 2834420 17.56 2688 2020752 1115188 6.49 151232 2323512 194096 10:57:01 AM 12084860 14327944 4054448 25.12 2688 2446720 1865092 10.85 218004 3416832 73036 10:58:01 AM 9551672 12031708 6587636 40.82 2688 2679768 3959572 23.04 265972 5882672 3444 10:59:01 AM 9372344 11857268 6766964 41.93 2688 2684536 4009424 23.33 266172 6061076 1012 11:00:01 AM 9073964 11571328 7065344 43.78 2688 2696580 4165348 24.23 277644 6345656 2732 Average: 10677546 12979557 5461762 33.84 2688 2505671 3022925 17.59 235805 4805950 54864 10:55:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:56:01 AM eth0 327.37 210.31 1968.52 69.86 0.00 0.00 0.00 0.00 10:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:57:01 AM eth0 249.63 209.73 2483.01 39.19 0.00 0.00 0.00 0.00 10:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:58:01 AM eth0 240.99 183.77 3473.48 37.26 0.00 0.00 0.00 0.00 10:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:59:01 AM eth0 221.66 136.67 93.09 91.89 0.00 0.00 0.00 0.00 10:59:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 AM lo 6.43 6.43 0.79 0.79 0.00 0.00 0.00 0.00 11:00:01 AM eth0 152.82 104.07 61.36 53.17 0.00 0.00 0.00 0.00 11:00:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.29 1.29 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 238.49 168.91 1615.84 58.28 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) 09/14/2026 _x86_64_ (4 CPU) 10:54:52 LINUX RESTART (4 CPU) 10:55:01 AM CPU %user %nice %system %iowait %steal %idle 10:56:01 AM all 27.67 0.00 5.44 2.98 0.02 63.89 10:56:01 AM 0 19.75 0.00 4.62 3.48 0.02 72.13 10:56:01 AM 1 31.56 0.00 5.15 3.75 0.02 59.53 10:56:01 AM 2 33.38 0.00 7.22 3.00 0.02 56.38 10:56:01 AM 3 25.96 0.00 4.75 1.69 0.03 67.56 10:57:01 AM all 38.98 0.00 2.44 1.25 0.03 57.29 10:57:01 AM 0 41.96 0.00 3.62 1.32 0.05 53.05 10:57:01 AM 1 37.56 0.00 2.64 1.45 0.05 58.29 10:57:01 AM 2 36.62 0.00 1.92 1.05 0.02 60.38 10:57:01 AM 3 39.78 0.00 1.59 1.19 0.02 57.43 10:58:01 AM all 72.00 0.00 1.98 0.50 0.05 25.46 10:58:01 AM 0 84.82 0.00 2.40 0.17 0.05 12.56 10:58:01 AM 1 64.94 0.00 1.82 0.42 0.05 32.77 10:58:01 AM 2 78.77 0.00 1.50 0.27 0.08 19.38 10:58:01 AM 3 59.47 0.00 2.21 1.14 0.03 37.16 10:59:01 AM all 26.64 0.00 1.39 0.01 0.01 71.95 10:59:01 AM 0 27.42 0.00 1.64 0.00 0.02 70.93 10:59:01 AM 1 26.30 0.00 1.45 0.00 0.00 72.25 10:59:01 AM 2 30.37 0.00 0.80 0.02 0.02 68.79 10:59:01 AM 3 22.49 0.00 1.67 0.02 0.00 75.83 11:00:01 AM all 33.64 0.00 1.25 0.03 0.02 65.05 11:00:01 AM 0 27.79 0.00 1.14 0.02 0.03 71.02 11:00:01 AM 1 29.44 0.00 1.09 0.03 0.02 69.42 11:00:01 AM 2 26.84 0.00 1.14 0.00 0.00 72.03 11:00:01 AM 3 50.49 0.00 1.65 0.07 0.03 47.75 Average: all 39.80 0.00 2.50 0.95 0.03 56.72 Average: 0 40.38 0.00 2.68 0.99 0.03 55.91 Average: 1 37.96 0.00 2.43 1.13 0.03 58.45 Average: 2 41.20 0.00 2.51 0.87 0.03 55.39 Average: 3 39.65 0.00 2.37 0.82 0.02 57.14