---> uname -a: Linux prd-centos8-docker-8c-8g-10800.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1069 26408 19 4410 30350 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:ed:77:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.73/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:feed:77dc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cb:d2:50:a2 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:cbff:fed2:50a2/64 scope link 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) 06/11/2026 _x86_64_ (8 CPU) 07:55:55 LINUX RESTART (8 CPU) 07:57:01 AM tps rtps wtps bread/s bwrtn/s 07:58:01 AM 291.70 17.14 274.56 4131.16 16978.41 07:59:01 AM 148.32 3.07 145.25 1416.86 39987.35 08:00:01 AM 181.47 15.91 165.56 4274.44 2617.99 Average: 207.16 12.04 195.12 3274.15 19861.25 07:57:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:58:01 AM 28350212 30676444 4303160 13.18 2688 2636288 1880784 5.58 220900 3587996 309380 07:59:01 AM 26619332 29843168 6034040 18.48 2688 3517484 3594488 10.67 295108 5169084 72 08:00:01 AM 27116368 31149428 5537004 16.96 2688 4320152 1449068 4.30 807460 4152340 681264 Average: 27361971 30556347 5291401 16.20 2688 3491308 2308113 6.85 441156 4303140 330239 07:57:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:58:01 AM eth0 462.78 356.10 6054.64 54.45 0.00 0.00 0.00 0.00 07:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:59:01 AM eth0 1478.17 381.29 7357.75 31.98 0.00 0.00 0.00 0.00 07:59:01 AM docker0 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 07:59:01 AM vetha5e0cf1 0.00 0.07 0.00 0.01 0.00 0.00 0.00 0.00 08:00:01 AM lo 12.83 12.83 1.35 1.35 0.00 0.00 0.00 0.00 08:00:01 AM eth0 138.97 117.43 1710.30 28.32 0.00 0.00 0.00 0.00 08:00:01 AM docker0 4.75 5.88 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.28 4.28 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 693.31 284.94 5040.89 38.25 0.00 0.00 0.00 0.00 Average: docker0 1.58 1.97 0.22 0.23 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) 06/11/2026 _x86_64_ (8 CPU) 07:55:55 LINUX RESTART (8 CPU) 07:57:01 AM CPU %user %nice %system %iowait %steal %idle 07:58:01 AM all 15.08 0.00 1.66 1.56 0.09 81.60 07:58:01 AM 0 15.42 0.00 1.59 1.54 0.10 81.35 07:58:01 AM 1 24.04 0.00 2.39 1.65 0.10 71.81 07:58:01 AM 2 12.48 0.00 1.11 0.55 0.10 85.76 07:58:01 AM 3 22.42 0.00 2.27 2.98 0.10 72.23 07:58:01 AM 4 15.27 0.00 1.29 0.28 0.08 83.07 07:58:01 AM 5 7.95 0.00 1.34 1.04 0.08 89.59 07:58:01 AM 6 11.49 0.00 1.89 2.33 0.10 84.19 07:58:01 AM 7 11.62 0.00 1.41 2.11 0.05 84.81 07:59:01 AM all 28.97 0.00 2.43 1.73 0.12 66.75 07:59:01 AM 0 43.45 0.00 3.24 0.37 0.14 52.80 07:59:01 AM 1 25.64 0.00 2.94 1.31 0.12 69.98 07:59:01 AM 2 41.86 0.00 2.38 2.67 0.14 52.96 07:59:01 AM 3 9.16 0.00 2.89 4.67 0.12 83.16 07:59:01 AM 4 22.34 0.00 1.80 1.88 0.12 73.86 07:59:01 AM 5 22.85 0.00 1.96 0.10 0.10 74.99 07:59:01 AM 6 33.85 0.00 2.44 2.56 0.15 61.00 07:59:01 AM 7 32.55 0.00 1.77 0.29 0.12 65.27 08:00:01 AM all 24.42 0.28 2.57 0.69 0.10 71.94 08:00:01 AM 0 25.79 0.03 2.74 0.40 0.10 70.93 08:00:01 AM 1 26.23 0.34 3.02 1.68 0.10 68.63 08:00:01 AM 2 29.99 0.00 2.30 0.12 0.10 67.50 08:00:01 AM 3 20.59 0.03 2.57 0.94 0.10 75.77 08:00:01 AM 4 24.62 0.00 2.31 0.23 0.10 72.73 08:00:01 AM 5 16.46 1.73 2.70 0.55 0.10 78.46 08:00:01 AM 6 18.43 0.10 2.35 0.82 0.10 78.20 08:00:01 AM 7 33.22 0.05 2.54 0.79 0.10 63.30 Average: all 22.81 0.10 2.22 1.33 0.11 73.45 Average: 0 28.17 0.01 2.52 0.77 0.11 68.41 Average: 1 25.31 0.11 2.78 1.55 0.11 70.14 Average: 2 28.09 0.00 1.93 1.11 0.11 68.76 Average: 3 17.42 0.01 2.58 2.86 0.11 77.03 Average: 4 20.74 0.00 1.80 0.80 0.10 76.56 Average: 5 15.73 0.58 2.00 0.57 0.10 81.03 Average: 6 21.22 0.03 2.23 1.90 0.12 74.51 Average: 7 25.78 0.02 1.91 1.06 0.09 71.14