---> uname -a: Linux prd-centos8-docker-4c-4g-12160.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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: 15761 773 12222 19 2765 14649 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:53:26:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.114/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86107sec preferred_lft 86107sec inet6 fe80::f816:3eff:fe53:267b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:69:21:3b:8c 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/13/2026 _x86_64_ (4 CPU) 08:47:29 LINUX RESTART (4 CPU) 08:48:01 AM tps rtps wtps bread/s bwrtn/s 08:49:01 AM 115.01 0.45 114.56 34.53 10113.83 08:50:01 AM 154.62 20.13 134.49 4127.58 10577.44 08:51:01 AM 91.91 1.78 90.13 104.30 5353.21 08:52:01 AM 27.68 0.43 27.25 56.26 6388.22 Average: 97.31 5.70 91.61 1080.46 8107.60 08:48:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:49:01 AM 13132044 15033748 3007276 18.63 2688 2112692 1155916 6.73 157824 2475896 154852 08:50:01 AM 12143124 14380984 3996196 24.76 2688 2440836 1696252 9.87 208852 3374680 88088 08:51:01 AM 10601652 13074292 5537668 34.31 2688 2671484 2771148 16.12 262488 4842004 177792 08:52:01 AM 12504096 14986840 3635224 22.52 2688 2680640 1155780 6.72 445104 2763828 24724 Average: 12095229 14368966 4044091 25.06 2688 2476413 1694774 9.86 268567 3364102 111364 08:48:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:49:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:49:01 AM eth0 83.40 60.89 1303.65 12.56 0.00 0.00 0.00 0.00 08:49:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 AM eth0 186.60 156.74 2133.78 26.52 0.00 0.00 0.00 0.00 08:50:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:51:01 AM eth0 225.49 174.79 3413.76 31.63 0.00 0.00 0.00 0.00 08:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:52:01 AM eth0 23.36 19.85 12.92 22.76 0.00 0.00 0.00 0.00 08:52:01 AM docker0 0.00 0.00 0.00 0.00 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 129.73 103.08 1716.38 23.37 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/13/2026 _x86_64_ (4 CPU) 08:47:29 LINUX RESTART (4 CPU) 08:48:01 AM CPU %user %nice %system %iowait %steal %idle 08:49:01 AM all 15.37 0.00 1.47 1.59 0.09 81.49 08:49:01 AM 0 13.52 0.00 1.38 1.07 0.08 83.95 08:49:01 AM 1 12.14 0.00 1.10 1.00 0.10 85.66 08:49:01 AM 2 15.05 0.00 1.50 3.41 0.08 79.96 08:49:01 AM 3 20.78 0.00 1.89 0.87 0.08 76.39 08:50:01 AM all 28.95 0.00 2.46 13.91 0.12 54.56 08:50:01 AM 0 28.10 0.00 4.06 18.73 0.12 48.99 08:50:01 AM 1 25.25 0.00 1.57 14.76 0.13 58.28 08:50:01 AM 2 24.31 0.00 1.74 13.56 0.12 60.28 08:50:01 AM 3 38.16 0.00 2.48 8.59 0.12 50.66 08:51:01 AM all 62.73 0.00 2.06 0.32 0.14 34.75 08:51:01 AM 0 54.97 0.00 3.28 0.74 0.13 40.89 08:51:01 AM 1 65.15 0.00 2.07 0.13 0.13 32.51 08:51:01 AM 2 62.73 0.00 1.50 0.32 0.15 35.30 08:51:01 AM 3 68.04 0.00 1.40 0.10 0.15 30.31 08:52:01 AM all 18.10 0.00 0.98 0.23 0.07 80.62 08:52:01 AM 0 14.84 0.00 0.88 0.02 0.07 84.19 08:52:01 AM 1 15.73 0.00 1.25 0.10 0.07 82.85 08:52:01 AM 2 22.28 0.00 1.17 0.72 0.08 75.75 08:52:01 AM 3 19.53 0.00 0.62 0.08 0.07 79.70 Average: all 31.29 0.00 1.74 4.01 0.11 62.85 Average: 0 27.84 0.00 2.40 5.13 0.10 64.52 Average: 1 29.58 0.00 1.50 4.00 0.11 64.81 Average: 2 31.10 0.00 1.48 4.50 0.11 62.81 Average: 3 36.63 0.00 1.60 2.41 0.10 59.26