---> uname -a: Linux prd-centos8-docker-4c-4g-3688.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1644 10260 19 3858 13769 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:29:5f:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.34/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86063sec preferred_lft 86063sec inet6 fe80::f816:3eff:fe29:5fb1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:40:ab:a5:96 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::42:40ff:feab:a596/64 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) 03/21/2026 _x86_64_ (4 CPU) 09:27:20 LINUX RESTART (4 CPU) 09:28:01 AM tps rtps wtps bread/s bwrtn/s 09:29:01 AM 198.32 4.60 193.72 288.12 9622.72 09:30:00 AM 215.03 2.55 212.48 870.65 27432.51 09:30:01 AM 84.62 0.85 83.76 34.19 2600.85 09:31:01 AM 1019.34 75.97 943.37 1442.59 38906.28 09:32:01 AM 92.00 44.25 47.75 753.88 2054.87 09:33:01 AM 35.58 3.00 32.58 160.77 3092.27 Average: 311.54 26.07 285.48 699.96 16126.27 09:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:01 AM 12706808 14669176 3434724 21.28 2688 2169596 1589320 9.25 165004 2876428 232388 09:30:00 AM 10763920 13275200 5377612 33.32 2688 2704580 3360976 19.55 324232 4595340 1388 09:30:01 AM 10753628 13255696 5387904 33.38 2688 2695424 3122736 18.17 326764 4604688 652 09:31:01 AM 10216336 13718516 5925196 36.71 2688 3496804 1916100 11.15 422736 4620300 11548 09:32:01 AM 10547444 14170252 5594088 34.66 2688 3613964 1697024 9.87 566040 4158412 91244 09:33:01 AM 10546024 14139484 5595508 34.67 2688 3580104 1713252 9.97 713556 4006228 8544 Average: 10922360 13871387 5219172 32.33 2688 3043412 2233235 12.99 419722 4143566 57627 09:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 AM eth0 206.78 167.30 2928.66 33.79 0.00 0.00 0.00 0.00 09:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:00 AM lo 5.81 5.81 4.57 4.57 0.00 0.00 0.00 0.00 09:30:00 AM eth0 346.76 235.26 4754.82 32.14 0.00 0.00 0.00 0.00 09:30:00 AM docker0 3.35 3.07 4.16 0.45 0.00 0.00 0.00 0.00 09:30:00 AM veth1b96eb2 0.14 0.41 0.01 0.03 0.00 0.00 0.00 0.00 09:30:00 AM veth1a46220 3.21 2.97 4.20 0.44 0.00 0.00 0.00 0.00 09:30:01 AM lo 3.42 3.42 0.20 0.20 0.00 0.00 0.00 0.00 09:30:01 AM eth0 68.38 62.39 14.90 31.50 0.00 0.00 0.00 0.00 09:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM veth1b96eb2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 09:31:01 AM eth0 175.86 137.69 1854.32 23.04 0.00 0.00 0.00 0.00 09:31:01 AM docker0 0.02 0.03 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 159.75 106.78 395.04 56.86 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM eth0 64.72 38.98 32.06 135.55 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.18 1.18 0.90 0.90 0.00 0.00 0.00 0.00 Average: eth0 189.71 136.54 1974.88 56.27 0.00 0.00 0.00 0.00 Average: docker0 0.66 0.61 0.82 0.09 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) 03/21/2026 _x86_64_ (4 CPU) 09:27:20 LINUX RESTART (4 CPU) 09:28:01 AM CPU %user %nice %system %iowait %steal %idle 09:29:01 AM all 26.10 0.00 2.20 1.74 0.09 69.86 09:29:01 AM 0 23.29 0.00 1.99 2.64 0.08 72.00 09:29:01 AM 1 27.35 0.00 3.00 2.34 0.10 67.21 09:29:01 AM 2 34.70 0.00 2.34 0.80 0.08 62.07 09:29:01 AM 3 19.07 0.00 1.49 1.19 0.10 78.15 09:30:00 AM all 38.39 0.11 3.07 4.57 0.09 53.77 09:30:00 AM 0 35.51 0.19 3.25 2.68 0.10 58.27 09:30:00 AM 1 40.73 0.07 2.96 3.78 0.10 52.36 09:30:00 AM 2 36.79 0.10 2.99 6.76 0.09 53.28 09:30:00 AM 3 40.52 0.09 3.08 5.06 0.09 51.17 09:30:01 AM all 76.67 0.00 4.10 0.22 0.00 19.01 09:30:01 AM 0 64.35 0.00 6.09 0.87 0.00 28.70 09:30:01 AM 1 81.20 0.00 3.42 0.00 0.00 15.38 09:30:01 AM 2 78.26 0.00 2.61 0.00 0.00 19.13 09:30:01 AM 3 82.76 0.00 4.31 0.00 0.00 12.93 09:31:01 AM all 26.98 0.00 9.79 10.46 0.12 52.66 09:31:01 AM 0 22.91 0.00 9.20 8.52 0.10 59.27 09:31:01 AM 1 18.17 0.00 9.52 11.31 0.12 60.88 09:31:01 AM 2 32.20 0.00 10.29 11.09 0.12 46.29 09:31:01 AM 3 34.62 0.00 10.13 10.93 0.14 44.18 09:32:01 AM all 49.47 0.00 2.20 0.53 0.09 47.72 09:32:01 AM 0 60.86 0.00 2.24 0.54 0.08 36.28 09:32:01 AM 1 42.80 0.00 1.57 0.38 0.10 55.14 09:32:01 AM 2 63.69 0.00 3.37 0.64 0.08 32.23 09:32:01 AM 3 30.54 0.00 1.61 0.57 0.08 67.20 09:33:01 AM all 19.01 0.00 1.62 0.57 0.05 78.74 09:33:01 AM 0 5.67 0.00 0.98 0.25 0.07 93.03 09:33:01 AM 1 25.13 0.00 2.42 0.77 0.05 71.64 09:33:01 AM 2 33.27 0.00 1.72 0.72 0.05 64.24 09:33:01 AM 3 11.99 0.00 1.35 0.55 0.05 86.06 Average: all 32.14 0.02 3.76 3.54 0.09 60.45 Average: 0 29.76 0.04 3.52 2.90 0.09 63.69 Average: 1 31.02 0.01 3.88 3.68 0.09 61.31 Average: 2 40.31 0.02 4.12 3.95 0.08 51.52 Average: 3 27.48 0.02 3.52 3.62 0.09 65.27