---> uname -a: Linux prd-centos8-docker-4c-4g-1111.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: 2799.998 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): 0-3 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1063 10856 19 3843 14350 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:36:61:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.234/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86118sec preferred_lft 86118sec inet6 fe80::f816:3eff:fe36:61ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c5:d2:55:53 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:c5ff:fed2:5553/64 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) 05/18/2026 _x86_64_ (4 CPU) 22:09:15 LINUX RESTART (4 CPU) 10:10:01 PM tps rtps wtps bread/s bwrtn/s 10:11:01 PM 249.85 5.86 243.99 744.06 15082.22 10:12:01 PM 238.70 1.80 236.90 460.78 35400.68 10:13:01 PM 958.38 95.12 863.26 1697.83 24149.97 Average: 482.26 34.25 448.01 967.51 24875.45 10:10:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:11:01 PM 11662880 13791208 4478652 27.75 2688 2332744 2376356 13.82 197700 3866264 198208 10:12:01 PM 10599592 13955196 5541940 34.33 2688 3449120 1894052 11.02 367540 4522164 389688 10:13:01 PM 8978240 12490380 7163292 44.38 2688 3506716 2009500 11.69 417716 5843148 12 Average: 10413571 13412261 5727961 35.49 2688 3096193 2093303 12.18 327652 4743859 195969 10:10:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:11:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:11:01 PM eth0 329.12 262.60 4360.41 40.93 0.00 0.00 0.00 0.00 10:11:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:12:01 PM lo 6.03 6.03 4.66 4.66 0.00 0.00 0.00 0.00 10:12:01 PM eth0 396.40 274.78 4081.61 38.68 0.00 0.00 0.00 0.00 10:12:01 PM docker0 3.20 3.03 4.20 0.45 0.00 0.00 0.00 0.00 10:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:13:01 PM eth0 4.15 3.32 58.48 0.68 0.00 0.00 0.00 0.00 10:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.01 2.01 1.55 1.55 0.00 0.00 0.00 0.00 Average: eth0 243.24 180.25 2833.84 26.76 0.00 0.00 0.00 0.00 Average: docker0 1.07 1.01 1.40 0.15 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) 05/18/2026 _x86_64_ (4 CPU) 22:09:15 LINUX RESTART (4 CPU) 10:10:01 PM CPU %user %nice %system %iowait %steal %idle 10:11:01 PM all 38.52 0.00 2.69 1.16 0.10 57.52 10:11:01 PM 0 34.90 0.00 1.82 0.68 0.10 62.50 10:11:01 PM 1 36.94 0.00 2.59 1.19 0.08 59.20 10:11:01 PM 2 47.78 0.00 3.92 1.70 0.10 46.50 10:11:01 PM 3 34.46 0.00 2.44 1.09 0.10 61.91 10:12:01 PM all 36.15 0.09 7.40 1.52 0.09 54.75 10:12:01 PM 0 40.91 0.07 8.74 1.33 0.08 48.88 10:12:01 PM 1 41.68 0.10 7.49 0.47 0.08 50.17 10:12:01 PM 2 31.16 0.12 5.99 1.71 0.10 60.92 10:12:01 PM 3 30.86 0.07 7.39 2.58 0.08 59.01 10:13:01 PM all 34.34 0.00 5.33 7.00 0.11 53.22 10:13:01 PM 0 31.99 0.00 5.47 8.71 0.10 53.73 10:13:01 PM 1 62.44 0.00 6.00 6.89 0.12 24.56 10:13:01 PM 2 21.39 0.00 4.98 6.55 0.10 66.99 10:13:01 PM 3 21.50 0.00 4.88 5.87 0.10 67.64 Average: all 36.34 0.03 5.13 3.23 0.10 55.17 Average: 0 35.91 0.02 5.32 3.58 0.10 55.08 Average: 1 47.01 0.03 5.35 2.85 0.10 44.65 Average: 2 33.49 0.04 4.96 3.32 0.10 58.09 Average: 3 28.95 0.02 4.89 3.18 0.10 62.86