---> uname -a: Linux prd-centos8-docker-4c-4g-22.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: 2800.000 BogoMIPS: 5600.00 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: 15761 828 11534 19 3398 14583 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:fa:f7:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.135/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85953sec preferred_lft 85953sec inet6 fe80::f816:3eff:fefa:f7f1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d8:b2:ef:a2 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:d8ff:feb2:efa2/64 scope link 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) 07/22/2026 _x86_64_ (4 CPU) 07:58:40 LINUX RESTART (4 CPU) 07:59:01 AM tps rtps wtps bread/s bwrtn/s 08:00:01 AM 183.81 19.90 163.91 5500.20 8840.94 08:01:01 AM 247.83 20.32 227.51 4020.79 15437.52 08:02:01 AM 112.75 1.91 110.83 117.67 7157.25 08:03:01 AM 22.66 0.00 22.66 0.00 6498.07 08:04:01 AM 2.83 1.72 1.12 51.06 163.42 08:05:01 AM 90.37 2.93 87.44 3055.76 5358.46 08:06:01 AM 123.78 1.75 122.03 453.32 17360.23 Average: 112.02 6.93 105.09 1885.54 8688.36 07:59:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:01 AM 13279100 15078236 2860220 17.72 2688 2013468 1175056 6.84 146800 2355292 169464 08:01:01 AM 12059328 14345360 4079992 25.28 2688 2486444 1853480 10.78 226788 3431260 136604 08:02:01 AM 10166128 12693160 5973192 37.01 2688 2723116 3882064 22.59 282100 5246468 184204 08:03:01 AM 9265272 11796300 6874048 42.59 2688 2727040 4481104 26.07 282196 6145672 1084 08:04:01 AM 7803644 10343892 8335676 51.65 2688 2735860 5571856 32.42 284704 7600124 4256 08:05:01 AM 12153452 15022188 3985868 24.70 2688 3059792 1306360 7.60 359388 3173112 128036 08:06:01 AM 11833020 14955328 4306300 26.68 2688 3294320 1158544 6.74 638000 3163916 8508 Average: 10937135 13462066 5202185 32.23 2688 2720006 2775495 16.15 317139 4445121 90308 07:59:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 AM eth0 381.03 217.27 1935.33 70.24 0.00 0.00 0.00 0.00 08:00:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:01 AM eth0 325.98 276.18 3110.01 59.83 0.00 0.00 0.00 0.00 08:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 AM eth0 250.72 179.75 3509.54 32.88 0.00 0.00 0.00 0.00 08:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:03:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:03:01 AM eth0 331.48 198.35 97.70 98.87 0.00 0.00 0.00 0.00 08:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 127.51 85.99 33.22 36.51 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 7.07 7.07 0.84 0.84 0.00 0.00 0.00 0.00 08:05:01 AM eth0 113.88 69.37 2318.46 14.90 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 58.93 54.85 38.35 57.73 0.00 0.00 0.00 0.00 08:06:01 AM docker0 8.91 7.53 19.48 2.45 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.12 0.12 0.00 0.00 0.00 0.00 Average: eth0 227.09 154.55 1578.03 52.99 0.00 0.00 0.00 0.00 Average: docker0 1.27 1.08 2.78 0.35 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) 07/22/2026 _x86_64_ (4 CPU) 07:58:40 LINUX RESTART (4 CPU) 07:59:01 AM CPU %user %nice %system %iowait %steal %idle 08:00:01 AM all 23.62 0.00 2.86 1.80 0.09 71.64 08:00:01 AM 0 18.33 0.00 2.71 2.31 0.10 76.54 08:00:01 AM 1 46.05 0.00 4.53 2.71 0.12 46.59 08:00:01 AM 2 12.45 0.00 1.56 1.07 0.08 84.84 08:00:01 AM 3 17.62 0.00 2.63 1.09 0.07 78.60 08:01:01 AM all 41.19 0.00 2.91 2.16 0.13 53.61 08:01:01 AM 0 38.76 0.00 2.18 1.86 0.12 57.09 08:01:01 AM 1 42.62 0.00 3.22 2.27 0.12 51.76 08:01:01 AM 2 37.80 0.00 3.45 3.40 0.13 55.21 08:01:01 AM 3 45.58 0.00 2.79 1.12 0.13 50.37 08:02:01 AM all 63.44 0.00 1.81 0.67 0.12 33.96 08:02:01 AM 0 60.01 0.00 1.87 0.47 0.12 37.54 08:02:01 AM 1 66.51 0.00 1.90 0.50 0.12 30.98 08:02:01 AM 2 73.26 0.00 1.38 0.55 0.12 24.69 08:02:01 AM 3 53.97 0.00 2.10 1.15 0.12 42.65 08:03:01 AM all 24.39 0.00 1.44 0.27 0.09 73.81 08:03:01 AM 0 29.10 0.00 1.34 0.00 0.08 69.48 08:03:01 AM 1 24.68 0.00 1.40 0.43 0.08 73.40 08:03:01 AM 2 18.65 0.00 1.79 0.62 0.08 78.86 08:03:01 AM 3 25.14 0.00 1.24 0.02 0.10 73.51 08:04:01 AM all 35.36 0.00 1.18 0.03 0.10 63.33 08:04:01 AM 0 22.01 0.00 0.94 0.00 0.08 76.97 08:04:01 AM 1 24.46 0.00 1.14 0.02 0.08 74.30 08:04:01 AM 2 21.60 0.00 0.90 0.07 0.08 77.35 08:04:01 AM 3 73.33 0.00 1.75 0.05 0.13 24.74 08:05:01 AM all 51.50 0.00 2.82 0.99 0.13 44.57 08:05:01 AM 0 54.64 0.00 2.17 0.75 0.13 42.30 08:05:01 AM 1 34.92 0.00 4.19 1.98 0.12 58.80 08:05:01 AM 2 58.63 0.00 1.99 0.65 0.12 38.61 08:05:01 AM 3 57.76 0.00 2.92 0.58 0.13 38.60 08:06:01 AM all 19.50 0.00 3.20 0.95 0.08 76.27 08:06:01 AM 0 16.74 0.00 2.87 1.24 0.08 79.07 08:06:01 AM 1 12.48 0.00 2.95 0.92 0.08 83.56 08:06:01 AM 2 21.58 0.00 3.25 0.69 0.08 74.40 08:06:01 AM 3 27.20 0.00 3.74 0.94 0.08 68.04 Average: all 37.02 0.00 2.32 0.98 0.10 59.58 Average: 0 34.24 0.00 2.01 0.95 0.10 62.70 Average: 1 35.99 0.00 2.76 1.26 0.10 59.89 Average: 2 34.87 0.00 2.05 1.01 0.10 61.98 Average: 3 42.97 0.00 2.45 0.71 0.11 53.76