---> uname -a: Linux prd-centos8-docker-4c-4g-1807.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 1461 11086 19 3215 13955 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:68:ce:8e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.181/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85950sec preferred_lft 85950sec inet6 fe80::f816:3eff:fe68:ce8e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:47:e9:0b:4f 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::42:47ff:fee9:b4f/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) 03/14/2026 _x86_64_ (4 CPU) 00:32:46 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 340.45 26.52 313.93 6097.70 21966.33 12:35:01 AM 223.15 19.68 203.47 3860.96 16117.21 12:36:01 AM 90.80 1.78 89.02 114.51 10247.36 12:37:01 AM 4.27 0.00 4.27 0.00 288.19 12:38:01 AM 61.26 3.27 58.00 591.00 14831.71 12:39:01 AM 47.73 0.10 47.63 1.33 3778.65 12:40:01 AM 31.42 3.05 28.37 137.40 2079.71 Average: 114.15 7.77 106.38 1543.18 9900.90 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 13307748 15078064 2833784 17.56 2688 1984976 1110332 6.46 146084 2332120 158804 12:35:01 AM 12240304 14487804 3901228 24.17 2688 2451892 1608556 9.36 228948 3266184 96100 12:36:01 AM 9706600 12151352 6434932 39.87 2688 2645764 4217048 24.53 274228 5735608 3172 12:37:01 AM 9686060 12134416 6455472 39.99 2688 2649268 4232852 24.62 274280 5755428 1256 12:38:01 AM 6469700 9384248 9671832 59.92 2688 3104604 9578124 55.72 387352 8793408 24 12:39:01 AM 9871236 12784600 6270296 38.85 2688 3102920 3607656 20.99 419808 5381164 25228 12:40:01 AM 11316696 14254596 4824836 29.89 2688 3127032 1822232 10.60 665544 3698796 23144 Average: 10371192 12896440 5770340 35.75 2688 2723779 3739543 21.75 342321 4994673 43961 12:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 AM eth0 330.69 219.09 1845.99 69.94 0.00 0.00 0.00 0.00 12:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 325.01 244.34 4617.70 40.48 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 210.18 150.81 2857.00 34.92 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 377.35 257.32 105.33 106.39 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 3.95 3.95 0.50 0.50 0.00 0.00 0.00 0.00 12:38:01 AM eth0 231.09 137.62 2832.46 19.78 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 12:38:01 AM veth152b60f 0.08 0.30 0.00 0.03 0.00 0.00 0.00 0.00 12:38:01 AM br-8f85ccd348c3 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 12:38:01 AM veth004a178 0.00 0.20 0.00 0.02 0.00 0.00 0.00 0.00 12:38:01 AM vethb9757d7 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM veth42e749a 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM lo 12.81 12.81 26.78 26.78 0.00 0.00 0.00 0.00 12:39:01 AM eth0 26.15 25.45 253.49 5.26 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 12:39:01 AM veth152b60f 0.12 0.18 0.01 0.01 0.00 0.00 0.00 0.00 12:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 AM eth0 259.99 151.59 390.76 212.44 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.39 2.39 3.90 3.90 0.00 0.00 0.00 0.00 Average: eth0 251.48 169.45 1843.09 69.89 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 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) 03/14/2026 _x86_64_ (4 CPU) 00:32:46 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 27.22 0.00 3.24 1.47 0.08 67.98 12:34:01 AM 0 27.04 0.00 2.63 0.74 0.08 69.52 12:34:01 AM 1 25.25 0.00 4.14 3.28 0.08 67.24 12:34:01 AM 2 26.84 0.00 3.48 0.89 0.08 68.71 12:34:01 AM 3 29.74 0.00 2.73 0.99 0.08 66.46 12:35:01 AM all 37.10 0.00 2.14 1.27 0.08 59.41 12:35:01 AM 0 32.89 0.00 1.72 0.52 0.08 64.79 12:35:01 AM 1 48.90 0.00 2.44 1.92 0.08 46.65 12:35:01 AM 2 30.94 0.00 2.09 1.12 0.08 65.77 12:35:01 AM 3 35.69 0.00 2.33 1.51 0.08 60.40 12:36:01 AM all 61.89 0.00 1.75 0.43 0.11 35.82 12:36:01 AM 0 59.26 0.00 1.37 0.64 0.10 38.63 12:36:01 AM 1 56.82 0.00 1.75 0.47 0.12 40.85 12:36:01 AM 2 66.41 0.00 1.57 0.40 0.12 31.50 12:36:01 AM 3 65.08 0.00 2.29 0.23 0.10 32.30 12:37:01 AM all 13.79 0.00 1.36 0.01 0.06 84.78 12:37:01 AM 0 13.59 0.00 1.17 0.02 0.08 85.14 12:37:01 AM 1 14.19 0.00 1.44 0.02 0.07 84.29 12:37:01 AM 2 16.05 0.00 1.17 0.00 0.05 82.73 12:37:01 AM 3 11.33 0.00 1.65 0.00 0.05 86.97 12:38:01 AM all 41.44 0.00 2.74 0.47 0.09 55.25 12:38:01 AM 0 31.24 0.00 2.33 0.47 0.08 65.87 12:38:01 AM 1 66.33 0.00 3.57 0.32 0.10 29.68 12:38:01 AM 2 37.45 0.00 2.40 0.10 0.08 59.97 12:38:01 AM 3 30.72 0.00 2.67 1.01 0.10 65.50 12:39:01 AM all 20.09 0.00 1.67 0.18 0.07 77.99 12:39:01 AM 0 21.52 0.00 1.47 0.13 0.05 76.83 12:39:01 AM 1 23.00 0.00 2.47 0.23 0.07 74.23 12:39:01 AM 2 16.52 0.00 1.21 0.08 0.08 82.11 12:39:01 AM 3 19.32 0.00 1.54 0.25 0.08 78.81 12:40:01 AM all 34.13 0.00 1.49 0.09 0.07 64.23 12:40:01 AM 0 39.77 0.00 1.12 0.05 0.07 58.99 12:40:01 AM 1 19.57 0.00 1.87 0.17 0.08 78.31 12:40:01 AM 2 38.19 0.00 1.60 0.00 0.07 60.14 12:40:01 AM 3 38.94 0.00 1.35 0.15 0.07 59.49 Average: all 33.67 0.00 2.06 0.56 0.08 63.64 Average: 0 32.19 0.00 1.69 0.37 0.08 65.68 Average: 1 36.28 0.00 2.53 0.91 0.09 60.19 Average: 2 33.21 0.00 1.93 0.37 0.08 64.41 Average: 3 32.99 0.00 2.08 0.59 0.08 64.26