---> uname -a: Linux prd-centos8-docker-8c-8g-2125.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 25M 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 1065 27124 27 3700 30354 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:cc:d7:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.172/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fecc:d7ca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:58:7b:99:50 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::42:58ff:fe7b:9950/64 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) 03/15/2026 _x86_64_ (8 CPU) 03:37:36 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 275.97 20.18 255.80 4011.06 7846.05 03:40:01 AM 496.05 5.75 490.30 1234.79 16998.80 03:41:01 AM 291.70 3.07 288.64 546.62 48590.74 Average: 354.58 9.66 344.91 1930.82 24478.53 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29330660 31155588 3325044 10.18 2688 2152632 1636912 4.86 153188 2728344 227884 03:40:01 AM 27916540 30202504 4739164 14.51 2688 2602512 2196828 6.52 261896 3975580 270556 03:41:01 AM 26459372 29698584 6196332 18.97 2688 3540772 2609788 7.74 646056 4991064 66712 Average: 27902191 30352225 4753513 14.56 2688 2765305 2147843 6.37 353713 3898329 188384 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 162.36 123.13 1471.27 40.67 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 577.14 477.47 6481.11 65.30 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 642.47 507.01 7375.05 1107.04 0.00 0.00 0.00 0.00 03:41:01 AM docker0 17.64 26.66 0.96 308.49 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 460.66 369.20 5109.15 404.34 0.00 0.00 0.00 0.00 Average: docker0 5.88 8.89 0.32 102.83 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) 03/15/2026 _x86_64_ (8 CPU) 03:37:36 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 11.37 0.00 1.30 0.57 0.04 86.72 03:39:01 AM 0 17.37 0.00 2.78 2.32 0.07 77.46 03:39:01 AM 1 11.01 0.00 1.04 0.55 0.05 87.36 03:39:01 AM 2 3.99 0.00 0.65 0.25 0.03 95.08 03:39:01 AM 3 17.91 0.00 1.79 0.37 0.05 79.88 03:39:01 AM 4 20.17 0.00 1.77 0.37 0.05 77.65 03:39:01 AM 5 9.90 0.00 0.70 0.08 0.02 89.30 03:39:01 AM 6 6.82 0.00 0.85 0.42 0.03 91.87 03:39:01 AM 7 3.78 0.00 0.85 0.17 0.05 95.15 03:40:01 AM all 26.08 0.00 1.73 1.22 0.09 70.88 03:40:01 AM 0 36.59 0.00 1.29 0.57 0.10 61.45 03:40:01 AM 1 17.84 0.00 1.20 0.47 0.08 80.41 03:40:01 AM 2 20.68 0.00 1.26 0.75 0.10 77.21 03:40:01 AM 3 33.74 0.00 2.41 2.73 0.08 61.04 03:40:01 AM 4 32.45 0.00 1.97 1.12 0.08 64.37 03:40:01 AM 5 21.57 0.00 2.52 2.42 0.10 73.40 03:40:01 AM 6 18.70 0.00 1.52 0.95 0.08 78.74 03:40:01 AM 7 27.04 0.00 1.71 0.72 0.10 70.43 03:41:01 AM all 22.46 0.00 3.16 0.92 0.09 73.37 03:41:01 AM 0 24.56 0.00 3.33 0.99 0.10 71.01 03:41:01 AM 1 24.14 0.00 3.59 1.67 0.08 70.52 03:41:01 AM 2 16.28 0.00 3.25 0.86 0.08 79.53 03:41:01 AM 3 21.52 0.00 2.93 1.57 0.08 73.90 03:41:01 AM 4 38.07 0.00 3.86 0.76 0.10 57.21 03:41:01 AM 5 14.10 0.00 2.98 0.69 0.08 82.14 03:41:01 AM 6 14.34 0.00 2.63 0.61 0.10 82.33 03:41:01 AM 7 26.59 0.00 2.74 0.22 0.08 70.37 Average: all 19.96 0.00 2.07 0.90 0.08 77.00 Average: 0 26.18 0.00 2.46 1.30 0.09 69.97 Average: 1 17.64 0.00 1.94 0.89 0.07 79.45 Average: 2 13.63 0.00 1.72 0.62 0.07 83.96 Average: 3 24.39 0.00 2.38 1.55 0.07 71.61 Average: 4 30.21 0.00 2.53 0.75 0.08 66.43 Average: 5 15.18 0.00 2.06 1.06 0.07 81.63 Average: 6 13.28 0.00 1.67 0.66 0.07 84.32 Average: 7 19.13 0.00 1.76 0.37 0.08 78.66