---> uname -a: Linux prd-centos8-docker-4c-4g-1342.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 768 12207 20 2785 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:cb:d9:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.253/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86049sec preferred_lft 86049sec inet6 fe80::f816:3eff:fecb:d9eb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:97:53:fe:b9 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) 12:31:34 LINUX RESTART (4 CPU) 12:32:01 PM tps rtps wtps bread/s bwrtn/s 12:33:02 PM 165.34 10.20 155.15 2854.52 8192.32 12:34:01 PM 244.52 18.05 226.47 2259.10 16580.56 12:35:01 PM 34.03 0.05 33.98 1.07 7904.88 12:36:01 PM 3.92 0.00 3.92 0.00 221.25 12:37:01 PM 8.73 2.93 5.80 175.57 404.13 Average: 90.82 6.21 84.61 1054.26 6628.84 12:32:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:33:02 PM 13019128 15072728 3120188 19.33 2688 2261884 1417144 8.25 152456 2582884 315356 12:34:01 PM 11532968 13988588 4606348 28.54 2688 2656116 1936792 11.27 245156 3929412 221148 12:35:01 PM 10265272 12727464 5874044 36.40 2688 2661932 3064892 17.83 261068 5175756 2104 12:36:01 PM 9561900 12030412 6577416 40.75 2688 2668016 3751216 21.82 262780 5875356 4872 12:37:01 PM 12499288 14994100 3640028 22.55 2688 2693084 1154956 6.72 457172 2748772 25380 Average: 11375711 13762658 4763605 29.52 2688 2588206 2265000 13.18 275726 4062436 113772 12:32:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:33:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:33:02 PM eth0 165.14 108.73 1903.29 32.73 0.00 0.00 0.00 0.00 12:33:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 PM eth0 382.12 325.03 5076.49 43.85 0.00 0.00 0.00 0.00 12:34:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 PM eth0 132.46 79.97 69.29 68.39 0.00 0.00 0.00 0.00 12:35:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 231.63 166.22 83.40 84.82 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 6.57 6.57 0.80 0.80 0.00 0.00 0.00 0.00 12:37:01 PM eth0 26.08 23.56 47.91 10.54 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 Average: lo 1.32 1.32 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 186.86 140.11 1424.41 48.08 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) 12:31:34 LINUX RESTART (4 CPU) 12:32:01 PM CPU %user %nice %system %iowait %steal %idle 12:33:02 PM all 21.29 0.00 2.39 0.83 0.02 75.46 12:33:02 PM 0 26.83 0.00 3.08 0.60 0.02 69.48 12:33:02 PM 1 12.35 0.00 2.26 1.59 0.02 83.79 12:33:02 PM 2 23.03 0.00 2.34 0.65 0.02 73.95 12:33:02 PM 3 22.97 0.00 1.87 0.49 0.03 74.64 12:34:01 PM all 54.56 0.00 2.63 1.19 0.03 41.60 12:34:01 PM 0 55.98 0.00 2.09 1.02 0.03 40.88 12:34:01 PM 1 56.26 0.00 2.31 0.76 0.02 40.65 12:34:01 PM 2 53.60 0.00 3.18 1.33 0.02 41.88 12:34:01 PM 3 52.40 0.00 2.93 1.67 0.03 42.98 12:35:01 PM all 47.60 0.00 1.45 0.20 0.02 50.73 12:35:01 PM 0 51.16 0.00 1.37 0.00 0.03 47.44 12:35:01 PM 1 32.53 0.00 2.24 0.57 0.02 64.63 12:35:01 PM 2 50.43 0.00 1.37 0.23 0.02 47.95 12:35:01 PM 3 56.21 0.00 0.82 0.00 0.02 42.96 12:36:01 PM all 22.40 0.00 1.47 0.02 0.02 76.09 12:36:01 PM 0 12.50 0.00 1.89 0.02 0.00 85.59 12:36:01 PM 1 21.51 0.00 0.62 0.00 0.02 77.85 12:36:01 PM 2 28.10 0.00 1.57 0.00 0.03 70.29 12:36:01 PM 3 27.47 0.00 1.80 0.05 0.03 70.64 12:37:01 PM all 54.86 0.00 1.64 0.04 0.03 43.42 12:37:01 PM 0 48.26 0.00 1.62 0.02 0.03 50.07 12:37:01 PM 1 55.73 0.00 2.04 0.08 0.03 42.12 12:37:01 PM 2 51.78 0.00 0.85 0.00 0.03 47.34 12:37:01 PM 3 63.68 0.00 2.05 0.07 0.03 34.17 Average: all 40.10 0.00 1.91 0.45 0.02 57.51 Average: 0 38.90 0.00 2.01 0.33 0.02 58.74 Average: 1 35.62 0.00 1.89 0.60 0.02 61.87 Average: 2 41.35 0.00 1.86 0.44 0.02 56.33 Average: 3 44.53 0.00 1.89 0.45 0.03 53.10