---> uname -a: Linux prd-centos8-docker-8c-8g-5206.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: 2800.000 BogoMIPS: 5600.00 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 12G 149G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 997 27871 19 3018 30438 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:29:05:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.150/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe29:533/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3f:60:80:b1 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) 05/30/2026 _x86_64_ (8 CPU) 05:37:03 LINUX RESTART (8 CPU) 05:38:01 AM tps rtps wtps bread/s bwrtn/s 05:39:01 AM 193.19 2.88 190.31 845.16 15901.20 05:40:01 AM 104.57 14.01 90.55 3217.06 7157.41 05:41:01 AM 180.04 7.21 172.83 2252.05 13843.64 Average: 159.27 8.04 151.24 2104.49 12301.63 05:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:39:01 AM 28380344 30367224 4273020 13.09 2688 2300124 2153244 6.39 198516 3590040 84484 05:40:01 AM 28393124 30620580 4260240 13.05 2688 2536180 2061372 6.12 230972 3528796 41008 05:41:01 AM 28507772 31139732 4145592 12.70 2688 2937896 1513084 4.49 504260 3135780 33124 Average: 28427080 30709179 4226284 12.94 2688 2591400 1909233 5.67 311249 3418205 52872 05:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:39:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:39:01 AM eth0 207.01 168.23 2053.12 46.29 0.00 0.00 0.00 0.00 05:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 AM eth0 175.12 142.43 1574.64 33.63 0.00 0.00 0.00 0.00 05:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:41:01 AM eth0 286.42 215.03 5124.62 92.87 0.00 0.00 0.00 0.00 05:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 222.85 175.23 2917.39 57.60 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) 05/30/2026 _x86_64_ (8 CPU) 05:37:03 LINUX RESTART (8 CPU) 05:38:01 AM CPU %user %nice %system %iowait %steal %idle 05:39:01 AM all 30.28 0.00 1.33 0.90 0.09 67.40 05:39:01 AM 0 28.06 0.00 0.84 0.37 0.12 70.62 05:39:01 AM 1 31.84 0.00 1.39 1.35 0.08 65.34 05:39:01 AM 2 25.44 0.00 1.19 0.62 0.08 72.68 05:39:01 AM 3 39.80 0.00 3.17 2.10 0.10 54.83 05:39:01 AM 4 33.01 0.00 1.32 0.90 0.07 64.70 05:39:01 AM 5 19.86 0.00 1.17 0.72 0.10 78.15 05:39:01 AM 6 35.38 0.00 0.77 0.52 0.07 63.27 05:39:01 AM 7 28.83 0.00 0.80 0.63 0.07 69.67 05:40:01 AM all 45.93 0.00 1.54 0.68 0.11 51.74 05:40:01 AM 0 50.90 0.00 1.34 0.52 0.10 47.14 05:40:01 AM 1 45.15 0.00 1.50 1.03 0.12 52.19 05:40:01 AM 2 48.24 0.00 1.50 0.15 0.12 49.99 05:40:01 AM 3 43.08 0.00 1.79 0.32 0.12 54.70 05:40:01 AM 4 36.27 0.00 1.42 0.22 0.12 61.97 05:40:01 AM 5 43.56 0.00 1.54 1.37 0.10 53.43 05:40:01 AM 6 43.48 0.00 1.85 1.47 0.12 53.08 05:40:01 AM 7 56.76 0.00 1.39 0.33 0.10 41.42 05:41:01 AM all 27.82 0.00 1.14 0.62 0.07 70.35 05:41:01 AM 0 15.58 0.00 1.98 3.77 0.07 78.61 05:41:01 AM 1 39.50 0.00 1.39 0.17 0.08 58.87 05:41:01 AM 2 48.83 0.00 0.52 0.08 0.07 50.50 05:41:01 AM 3 10.60 0.00 0.73 0.47 0.07 88.13 05:41:01 AM 4 22.07 0.00 1.20 0.20 0.05 76.47 05:41:01 AM 5 36.03 0.00 0.85 0.15 0.07 62.90 05:41:01 AM 6 13.61 0.00 0.55 0.00 0.07 85.77 05:41:01 AM 7 36.21 0.00 1.92 0.15 0.07 61.65 Average: all 34.68 0.00 1.34 0.73 0.09 63.17 Average: 0 31.53 0.00 1.38 1.55 0.09 65.45 Average: 1 38.83 0.00 1.42 0.85 0.09 58.80 Average: 2 40.84 0.00 1.07 0.28 0.09 57.72 Average: 3 31.16 0.00 1.90 0.96 0.09 65.89 Average: 4 30.45 0.00 1.31 0.44 0.08 67.72 Average: 5 33.16 0.00 1.19 0.75 0.09 64.82 Average: 6 30.83 0.00 1.06 0.66 0.08 67.37 Average: 7 40.60 0.00 1.37 0.37 0.08 57.58