---> uname -a: Linux prd-centos8-docker-4c-4g-495.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 799 12146 19 2817 14629 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:8a:d6:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.235/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fe8a:d60f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:87:2d:ca:a8 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) 04/11/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 198.73 15.15 183.59 3228.53 10462.11 01:25:01 PM 168.44 6.22 162.22 1056.09 15405.48 01:26:01 PM 35.90 2.93 32.97 108.23 758.76 Average: 134.35 8.10 126.26 1464.21 8875.00 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12802000 14826220 3339532 20.69 2688 2231740 1377072 8.01 188564 2757192 181432 01:25:01 PM 11280564 13573124 4860968 30.11 2688 2495796 2534636 14.74 254868 4191052 1856 01:26:01 PM 12423300 14964256 3718232 23.04 2688 2742136 1183248 6.88 523016 2782256 262036 Average: 12168621 14454533 3972911 24.61 2688 2489891 1698319 9.88 322149 3243500 148441 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 167.32 130.48 1991.04 31.88 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 14.48 14.48 3.65 3.65 0.00 0.00 0.00 0.00 01:25:01 PM eth0 330.24 213.91 3711.96 48.64 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 14.88 14.88 2.47 2.47 0.00 0.00 0.00 0.00 01:26:01 PM eth0 63.13 68.84 274.72 927.06 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.79 9.79 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 186.89 137.74 1992.48 335.90 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) 04/11/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.32 0.00 2.48 1.43 0.09 69.67 01:24:01 PM 0 33.07 0.00 3.18 1.72 0.10 61.93 01:24:01 PM 1 30.59 0.00 3.03 1.71 0.10 64.58 01:24:01 PM 2 16.52 0.00 1.71 1.56 0.07 80.14 01:24:01 PM 3 25.08 0.00 2.02 0.75 0.08 72.06 01:25:01 PM all 49.40 0.00 1.86 2.25 0.10 46.38 01:25:01 PM 0 44.71 0.00 2.61 1.61 0.08 50.99 01:25:01 PM 1 54.36 0.00 1.67 3.63 0.12 40.22 01:25:01 PM 2 56.70 0.00 0.95 1.74 0.10 40.51 01:25:01 PM 3 41.85 0.00 2.21 2.04 0.10 53.80 01:26:01 PM all 16.11 0.00 1.28 0.29 0.06 82.26 01:26:01 PM 0 11.35 0.00 0.88 0.35 0.07 87.35 01:26:01 PM 1 20.69 0.00 2.21 0.63 0.07 76.41 01:26:01 PM 2 12.06 0.00 0.80 0.05 0.05 87.04 01:26:01 PM 3 20.34 0.00 1.23 0.13 0.05 78.24 Average: all 30.61 0.00 1.88 1.33 0.08 66.11 Average: 0 29.70 0.00 2.22 1.23 0.08 66.77 Average: 1 35.20 0.00 2.30 1.99 0.09 60.41 Average: 2 28.43 0.00 1.15 1.12 0.07 69.22 Average: 3 29.08 0.00 1.82 0.97 0.08 68.04