---> uname -a: Linux prd-centos8-docker-8c-8g-10059.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: 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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1101 26383 19 4405 30322 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:93:52:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.55/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fe93:52f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0c:2b:17:55 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:cff:fe2b:1755/64 scope link 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) 05/13/2026 _x86_64_ (8 CPU) 07:30:22 LINUX RESTART (8 CPU) 07:31:01 AM tps rtps wtps bread/s bwrtn/s 07:32:01 AM 214.78 16.68 198.10 3200.27 10731.62 07:33:01 AM 200.92 2.70 198.22 1119.49 19281.26 07:34:01 AM 245.12 16.43 228.69 5564.28 29490.49 Average: 220.27 11.93 208.34 3294.68 19834.46 07:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:32:01 AM 28991152 30957204 3664560 11.22 2688 2282440 1673176 4.96 194020 3005544 226068 07:33:01 AM 26873812 29721728 5781900 17.71 2688 3154792 2850076 8.46 311948 4961540 545240 07:34:01 AM 25973500 29926468 6682212 20.46 2688 4243356 2405464 7.14 749948 5363136 671020 Average: 27279488 30201800 5376224 16.46 2688 3226863 2309572 6.85 418639 4443407 480776 07:31:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 AM eth0 224.26 179.31 2704.68 47.67 0.00 0.00 0.00 0.00 07:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 1664.91 593.82 11369.19 56.18 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 12.80 12.80 1.35 1.35 0.00 0.00 0.00 0.00 07:34:01 AM eth0 118.11 108.26 1699.13 24.04 0.00 0.00 0.00 0.00 07:34:01 AM docker0 4.80 5.95 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.27 4.27 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 669.09 293.80 5257.67 42.63 0.00 0.00 0.00 0.00 Average: docker0 1.60 1.98 0.22 0.23 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) 05/13/2026 _x86_64_ (8 CPU) 07:30:22 LINUX RESTART (8 CPU) 07:31:01 AM CPU %user %nice %system %iowait %steal %idle 07:32:01 AM all 14.57 0.00 1.43 0.78 0.08 83.14 07:32:01 AM 0 9.44 0.00 0.92 0.57 0.08 88.99 07:32:01 AM 1 9.84 0.00 0.84 0.35 0.08 88.89 07:32:01 AM 2 16.28 0.00 1.86 0.89 0.07 80.91 07:32:01 AM 3 21.28 0.00 2.49 1.00 0.08 75.14 07:32:01 AM 4 17.78 0.00 1.17 0.92 0.07 80.07 07:32:01 AM 5 14.93 0.00 1.24 1.00 0.07 82.76 07:32:01 AM 6 13.86 0.00 1.57 0.82 0.07 83.68 07:32:01 AM 7 13.13 0.00 1.39 0.70 0.08 84.70 07:33:01 AM all 29.88 0.00 1.82 0.97 0.11 67.23 07:33:01 AM 0 30.70 0.00 1.65 0.45 0.12 67.08 07:33:01 AM 1 24.36 0.00 1.61 0.55 0.10 73.37 07:33:01 AM 2 32.27 0.00 1.80 0.35 0.12 65.45 07:33:01 AM 3 40.38 0.00 1.85 1.21 0.12 56.44 07:33:01 AM 4 37.03 0.00 2.74 1.23 0.10 58.90 07:33:01 AM 5 38.19 0.00 1.33 0.15 0.12 60.21 07:33:01 AM 6 24.69 0.00 1.87 2.93 0.10 70.41 07:33:01 AM 7 11.38 0.00 1.71 0.86 0.10 85.95 07:34:01 AM all 25.35 0.29 3.47 1.28 0.10 69.52 07:34:01 AM 0 20.80 0.05 3.98 0.50 0.10 74.56 07:34:01 AM 1 27.14 1.70 4.11 2.34 0.10 64.60 07:34:01 AM 2 33.33 0.00 3.57 1.53 0.12 61.45 07:34:01 AM 3 24.25 0.02 3.18 2.31 0.08 70.16 07:34:01 AM 4 22.90 0.03 3.99 0.62 0.10 72.35 07:34:01 AM 5 25.55 0.07 3.60 2.07 0.08 68.63 07:34:01 AM 6 26.00 0.37 2.89 0.67 0.10 69.96 07:34:01 AM 7 22.80 0.05 2.44 0.19 0.10 74.42 Average: all 23.25 0.10 2.24 1.01 0.09 73.32 Average: 0 20.29 0.02 2.18 0.51 0.10 76.90 Average: 1 20.42 0.57 2.18 1.08 0.10 75.65 Average: 2 27.28 0.00 2.41 0.92 0.10 69.29 Average: 3 28.62 0.01 2.51 1.51 0.10 67.26 Average: 4 25.88 0.01 2.63 0.92 0.09 70.46 Average: 5 26.22 0.02 2.05 1.07 0.09 70.54 Average: 6 21.51 0.12 2.11 1.47 0.09 74.70 Average: 7 15.76 0.02 1.85 0.58 0.10 81.70