---> uname -a: Linux prd-centos8-docker-4c-4g-9937.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 814 12120 19 2829 14614 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:ae:2a:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.151/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86155sec preferred_lft 86155sec inet6 fe80::f816:3eff:feae:2a5d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:74:5b:d2:29 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) 05/12/2026 _x86_64_ (4 CPU) 13:22:49 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 345.28 27.93 317.35 7206.66 34361.09 01:25:01 PM 263.97 20.56 243.41 4258.94 13399.00 01:26:01 PM 34.91 0.52 34.39 16.53 7833.89 Average: 214.00 16.27 197.73 3808.72 18443.53 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13235028 15065308 2906504 18.01 2688 2041620 1178316 6.85 138044 2401592 219048 01:25:01 PM 11794544 14094760 4346988 26.93 2688 2503500 1960692 11.41 242992 3691072 225416 01:26:01 PM 11443548 13746432 4697984 29.10 2688 2505944 2952140 17.17 255668 4025964 36 Average: 12157707 14302167 3983825 24.68 2688 2350355 2030383 11.81 212235 3372876 148167 01:23:02 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 373.78 209.50 1922.19 70.42 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 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:25:01 PM eth0 529.47 312.41 4766.18 93.12 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 26.02 26.02 5.16 5.16 0.00 0.00 0.00 0.00 01:26:01 PM eth0 40.32 23.21 13.80 19.71 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 8.77 8.77 1.73 1.73 0.00 0.00 0.00 0.00 Average: eth0 314.21 181.56 2235.92 61.03 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) 05/12/2026 _x86_64_ (4 CPU) 13:22:49 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 28.72 0.00 3.68 1.90 0.09 65.60 01:24:01 PM 0 17.01 0.00 2.86 3.44 0.10 76.58 01:24:01 PM 1 45.26 0.00 4.88 1.68 0.10 48.07 01:24:01 PM 2 22.69 0.00 2.91 1.18 0.09 73.14 01:24:01 PM 3 29.91 0.00 4.05 1.31 0.09 64.64 01:25:01 PM all 49.52 0.00 2.90 1.73 0.10 45.74 01:25:01 PM 0 51.25 0.00 3.38 1.99 0.10 43.28 01:25:01 PM 1 43.08 0.00 3.59 1.76 0.10 51.47 01:25:01 PM 2 52.20 0.00 2.32 1.00 0.12 44.36 01:25:01 PM 3 51.53 0.00 2.33 2.18 0.10 43.86 01:26:01 PM all 18.85 0.00 0.62 0.23 0.08 80.22 01:26:01 PM 0 25.71 0.00 0.23 0.00 0.07 73.99 01:26:01 PM 1 10.47 0.00 0.90 0.85 0.08 87.69 01:26:01 PM 2 22.87 0.00 0.63 0.02 0.08 76.39 01:26:01 PM 3 16.32 0.00 0.72 0.05 0.07 82.85 Average: all 32.37 0.00 2.39 1.28 0.09 63.86 Average: 0 31.40 0.00 2.15 1.80 0.09 64.56 Average: 1 32.86 0.00 3.11 1.43 0.10 62.50 Average: 2 32.64 0.00 1.95 0.73 0.10 64.58 Average: 3 32.59 0.00 2.36 1.18 0.08 63.79