---> uname -a: Linux prd-centos8-docker-4c-4g-4892.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.996 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 814 12125 19 2822 14613 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:3f:70:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.43/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86158sec preferred_lft 86158sec inet6 fe80::f816:3eff:fe3f:70e1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:49:20:34:c6 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) 04/22/2026 _x86_64_ (4 CPU) 13:54:25 LINUX RESTART (4 CPU) 01:55:02 PM tps rtps wtps bread/s bwrtn/s 01:56:01 PM 170.46 15.35 155.11 3269.82 9385.17 01:57:01 PM 203.20 6.22 196.98 1056.09 16624.01 01:58:01 PM 32.27 0.83 31.44 66.91 764.21 Average: 135.11 7.42 127.69 1454.11 8921.44 01:55:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:56:01 PM 12974784 14993628 3166748 19.62 2688 2228020 1416928 8.24 180120 2605184 204348 01:57:01 PM 11337024 13633460 4804508 29.76 2688 2499748 2543216 14.79 248956 4137552 2392 01:58:01 PM 12446764 14991348 3694768 22.89 2688 2745640 1159336 6.74 515400 2765576 262056 Average: 12252857 14539479 3888675 24.09 2688 2491136 1706493 9.93 314825 3169437 156265 01:55:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:56:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:56:01 PM eth0 158.35 122.67 1952.00 23.54 0.00 0.00 0.00 0.00 01:56:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:57:01 PM lo 12.96 12.96 3.54 3.54 0.00 0.00 0.00 0.00 01:57:01 PM eth0 340.36 236.61 3793.32 52.08 0.00 0.00 0.00 0.00 01:57:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:58:01 PM lo 15.94 15.94 2.54 2.54 0.00 0.00 0.00 0.00 01:58:01 PM eth0 131.12 84.24 320.82 64.56 0.00 0.00 0.00 0.00 01:58:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.69 9.69 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 210.23 147.98 2022.34 46.86 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) 04/22/2026 _x86_64_ (4 CPU) 13:54:25 LINUX RESTART (4 CPU) 01:55:02 PM CPU %user %nice %system %iowait %steal %idle 01:56:01 PM all 24.56 0.00 2.44 2.03 0.10 70.87 01:56:01 PM 0 19.71 0.00 1.68 0.49 0.10 78.02 01:56:01 PM 1 25.60 0.00 2.33 0.71 0.09 71.27 01:56:01 PM 2 21.56 0.00 2.28 3.44 0.10 72.62 01:56:01 PM 3 31.40 0.00 3.49 3.48 0.10 61.53 01:57:01 PM all 52.09 0.00 2.08 1.36 0.13 44.34 01:57:01 PM 0 39.71 0.00 2.33 2.44 0.13 55.39 01:57:01 PM 1 45.70 0.00 3.12 1.88 0.17 49.14 01:57:01 PM 2 59.59 0.00 1.84 0.64 0.12 37.82 01:57:01 PM 3 63.31 0.00 1.03 0.47 0.12 35.07 01:58:01 PM all 16.85 0.00 1.67 0.10 0.09 81.29 01:58:01 PM 0 13.70 0.00 1.94 0.02 0.08 84.27 01:58:01 PM 1 16.06 0.00 1.40 0.08 0.08 82.37 01:58:01 PM 2 15.90 0.00 1.40 0.02 0.08 82.60 01:58:01 PM 3 21.75 0.00 1.92 0.30 0.10 75.92 Average: all 31.20 0.00 2.06 1.16 0.11 65.48 Average: 0 24.39 0.00 1.98 0.99 0.11 72.54 Average: 1 29.12 0.00 2.28 0.89 0.11 67.60 Average: 2 32.41 0.00 1.84 1.35 0.10 64.30 Average: 3 38.88 0.00 2.14 1.40 0.11 57.47