---> uname -a: Linux prd-centos8-docker-4c-4g-1837.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: 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 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1023 10644 19 4095 14390 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:08:1b:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.240/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86022sec preferred_lft 86022sec inet6 fe80::f816:3eff:fe08:1bab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:65:f0:d7:99 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::42:65ff:fef0:d799/64 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) 03:28:51 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 196.98 32.87 164.11 7596.68 42153.57 03:31:01 AM 244.25 5.13 239.12 574.34 12413.61 03:32:01 AM 200.02 2.03 197.98 490.98 33150.81 03:33:01 AM 953.57 95.05 858.51 1697.30 25214.36 03:34:01 AM 70.18 41.07 29.11 5509.76 1173.76 03:35:01 AM 141.95 1.20 140.75 187.67 7938.44 Average: 301.16 29.56 271.60 2676.19 20340.40 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 13393668 15119768 2747864 17.02 2688 1942676 1146828 6.67 139780 2257224 158500 03:31:01 AM 12124460 14181652 4017072 24.89 2688 2262092 2099076 12.21 192208 3417200 177980 03:32:01 AM 11258736 14238484 4882796 30.25 2688 3121728 1732784 10.08 369112 3947340 132260 03:33:01 AM 9939436 13381300 6202096 38.42 2688 3436972 1795660 10.45 418472 4892264 8 03:34:01 AM 10476224 14288924 5665308 35.10 2688 3804224 1660816 9.66 491240 4290820 181724 03:35:01 AM 10884368 14717300 5257164 32.57 2688 3820400 1233160 7.17 708332 3663972 23060 Average: 11346149 14321238 4795383 29.71 2688 3064682 1611387 9.37 386524 3744803 112255 03:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 433.52 232.49 1643.62 68.17 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM eth0 318.84 244.45 3469.23 42.60 0.00 0.00 0.00 0.00 03:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 AM lo 6.23 6.23 4.51 4.51 0.00 0.00 0.00 0.00 03:32:01 AM eth0 303.17 196.58 3490.99 28.73 0.00 0.00 0.00 0.00 03:32:01 AM docker0 3.53 3.17 4.10 0.45 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 71.91 38.89 646.76 6.32 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 168.34 124.71 2791.12 11.89 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 AM eth0 31.99 30.07 19.17 29.37 0.00 0.00 0.00 0.00 03:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.75 0.75 0.00 0.00 0.00 0.00 Average: eth0 221.29 144.53 2010.11 31.18 0.00 0.00 0.00 0.00 Average: docker0 0.59 0.53 0.68 0.08 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) 03:28:51 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 22.73 0.00 3.53 5.74 0.08 67.92 03:30:01 AM 0 23.59 0.00 4.45 6.99 0.08 64.89 03:30:01 AM 1 16.06 0.00 2.19 7.74 0.08 73.92 03:30:01 AM 2 31.28 0.00 4.22 7.02 0.08 57.40 03:30:01 AM 3 19.99 0.00 3.26 1.20 0.08 75.46 03:31:01 AM all 30.63 0.00 2.14 3.13 0.09 64.02 03:31:01 AM 0 27.47 0.00 1.66 2.42 0.10 68.35 03:31:01 AM 1 42.25 0.00 2.32 3.33 0.08 52.01 03:31:01 AM 2 27.42 0.00 2.39 2.77 0.08 67.34 03:31:01 AM 3 25.36 0.00 2.17 3.98 0.08 68.40 03:32:01 AM all 36.80 0.08 5.44 3.47 0.10 54.10 03:32:01 AM 0 39.22 0.02 6.02 2.33 0.10 52.31 03:32:01 AM 1 34.91 0.00 5.14 1.49 0.10 58.36 03:32:01 AM 2 35.01 0.19 5.82 2.06 0.10 56.82 03:32:01 AM 3 38.06 0.12 4.79 8.01 0.10 48.92 03:33:01 AM all 30.19 0.00 6.90 7.79 0.11 55.01 03:33:01 AM 0 51.93 0.00 6.48 8.75 0.10 32.74 03:33:01 AM 1 30.48 0.00 7.40 5.27 0.10 56.76 03:33:01 AM 2 23.88 0.00 7.17 8.43 0.12 60.40 03:33:01 AM 3 14.39 0.00 6.55 8.72 0.10 70.23 03:34:01 AM all 36.77 0.00 1.77 10.48 0.10 50.88 03:34:01 AM 0 31.51 0.00 1.74 11.98 0.10 54.68 03:34:01 AM 1 32.39 0.00 1.64 10.86 0.12 54.99 03:34:01 AM 2 37.13 0.00 1.55 8.57 0.10 52.65 03:34:01 AM 3 46.09 0.00 2.15 10.50 0.10 41.16 03:35:01 AM all 29.08 0.00 1.66 3.37 0.07 65.83 03:35:01 AM 0 24.54 0.00 2.27 7.00 0.08 66.10 03:35:01 AM 1 33.62 0.00 1.77 2.02 0.08 62.50 03:35:01 AM 2 34.09 0.00 1.57 1.47 0.07 62.81 03:35:01 AM 3 24.06 0.00 1.02 2.97 0.05 71.90 Average: all 31.02 0.01 3.56 5.66 0.09 59.65 Average: 0 33.00 0.00 3.76 6.59 0.10 56.55 Average: 1 31.62 0.00 3.40 5.12 0.10 59.77 Average: 2 31.48 0.03 3.77 5.05 0.09 59.57 Average: 3 27.99 0.02 3.31 5.89 0.09 62.70