---> uname -a: Linux prd-centos8-docker-8c-8g-7565.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): 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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1014 28353 19 2522 30426 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:4c:8a:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.194/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fe4c:8a88/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:29:91:86:56 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) 05/02/2026 _x86_64_ (8 CPU) 05:17:23 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 137.09 2.00 135.09 332.96 10281.89 05:20:01 AM 202.75 3.38 199.37 997.97 10282.99 05:21:01 AM 83.12 2.62 80.51 98.90 6394.99 Average: 140.98 2.67 138.32 476.58 8986.55 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29246940 31051160 3408772 10.44 2688 2122948 2004640 5.95 157112 2796136 154604 05:20:01 AM 27327936 29350908 5327776 16.31 2688 2333508 3139688 9.32 221072 4608532 84768 05:21:01 AM 29033764 31155648 3621948 11.09 2688 2428744 1437552 4.27 415232 2707544 44868 Average: 28536213 30519239 4119499 12.61 2688 2295067 2193960 6.51 264472 3370737 94747 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 152.15 126.92 1594.59 44.13 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 252.59 216.76 2383.22 43.51 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 207.18 196.40 819.18 179.38 0.00 0.00 0.00 0.00 05:21:01 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 203.97 180.03 1598.96 89.01 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) 05/02/2026 _x86_64_ (8 CPU) 05:17:23 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 8.12 0.00 0.91 0.51 0.05 90.41 05:19:01 AM 0 4.45 0.00 0.35 0.10 0.05 95.05 05:19:01 AM 1 3.08 0.00 0.55 0.60 0.08 95.68 05:19:01 AM 2 3.41 0.00 0.52 0.45 0.05 95.58 05:19:01 AM 3 15.61 0.00 2.05 0.28 0.07 81.99 05:19:01 AM 4 7.06 0.00 0.99 0.87 0.03 91.05 05:19:01 AM 5 11.11 0.00 0.58 0.95 0.03 87.32 05:19:01 AM 6 15.10 0.00 1.69 0.67 0.07 82.48 05:19:01 AM 7 5.17 0.00 0.55 0.13 0.03 94.12 05:20:01 AM all 39.54 0.00 1.64 0.55 0.08 58.19 05:20:01 AM 0 47.50 0.00 1.60 0.28 0.10 50.52 05:20:01 AM 1 41.05 0.00 2.81 1.19 0.08 54.86 05:20:01 AM 2 44.19 0.00 1.14 0.17 0.08 54.43 05:20:01 AM 3 44.20 0.00 1.30 0.08 0.10 54.31 05:20:01 AM 4 37.38 0.00 1.75 0.52 0.07 60.28 05:20:01 AM 5 44.15 0.00 1.86 1.02 0.08 52.89 05:20:01 AM 6 22.13 0.00 1.17 0.52 0.07 76.11 05:20:01 AM 7 35.71 0.00 1.47 0.62 0.08 62.12 05:21:01 AM all 30.58 0.00 1.47 0.19 0.08 67.67 05:21:01 AM 0 22.33 0.00 1.03 0.07 0.07 76.51 05:21:01 AM 1 34.95 0.00 1.74 0.32 0.10 62.90 05:21:01 AM 2 28.81 0.00 1.51 0.05 0.08 69.55 05:21:01 AM 3 33.24 0.00 1.82 0.28 0.08 64.57 05:21:01 AM 4 24.47 0.00 1.17 0.05 0.08 74.22 05:21:01 AM 5 30.26 0.00 1.57 0.37 0.07 67.74 05:21:01 AM 6 31.88 0.00 1.34 0.20 0.08 66.50 05:21:01 AM 7 38.74 0.00 1.62 0.17 0.08 59.39 Average: all 26.08 0.00 1.34 0.41 0.07 72.10 Average: 0 24.76 0.00 1.00 0.15 0.07 74.02 Average: 1 26.37 0.00 1.70 0.70 0.09 71.14 Average: 2 25.46 0.00 1.05 0.22 0.07 73.19 Average: 3 31.01 0.00 1.73 0.22 0.08 66.96 Average: 4 22.97 0.00 1.30 0.48 0.06 75.19 Average: 5 28.49 0.00 1.34 0.78 0.06 69.33 Average: 6 23.04 0.00 1.40 0.46 0.07 75.03 Average: 7 26.52 0.00 1.21 0.31 0.07 71.90