---> uname -a: Linux prd-centos8-docker-4c-4g-7492.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 1545 10696 19 3521 13870 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:b9:b3:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.161/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85962sec preferred_lft 85962sec inet6 fe80::f816:3eff:feb9:b38d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:47:b2:05:1a 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:feb2:51a/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) 05/02/2026 _x86_64_ (4 CPU) 00:32:21 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 201.82 19.09 182.72 3392.60 10909.28 12:35:01 AM 160.41 3.22 157.19 778.40 22545.33 12:36:01 AM 28.21 0.05 28.16 1.07 7478.42 12:37:01 AM 6.68 2.88 3.80 252.22 345.84 12:38:01 AM 87.62 0.67 86.95 418.13 15688.54 12:39:01 AM 30.41 2.65 27.76 126.09 1231.29 Average: 85.86 4.76 81.10 828.13 9699.75 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 12418152 14853452 3723372 23.07 2688 2642216 1293772 7.53 193972 3136840 559376 12:35:01 AM 10181364 12928108 5960160 36.92 2688 2947680 3385180 19.69 275752 5259556 213972 12:36:01 AM 9659960 12412788 6481564 40.15 2688 2953520 3480384 20.25 285936 5769100 1880 12:37:01 AM 8563152 11330800 7578372 46.95 2688 2967880 4603368 26.78 295324 6851036 28 12:38:01 AM 7961008 11156364 8180516 50.68 2688 3385204 5030800 29.27 426972 7275704 104 12:39:01 AM 11033320 14281128 5108204 31.65 2688 3437176 1785544 10.39 502996 4144540 26668 Average: 9969493 12827107 6172031 38.24 2688 3055613 3263175 18.98 330159 5406129 133671 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 472.71 228.31 8314.86 36.08 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 268.69 206.88 4287.64 29.08 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 134.03 91.75 42.54 61.57 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 1.02 1.02 0.13 0.13 0.00 0.00 0.00 0.00 12:37:01 AM eth0 198.62 134.09 64.44 61.70 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 14.86 14.86 27.10 27.10 0.00 0.00 0.00 0.00 12:38:01 AM eth0 198.98 113.16 2826.44 10.17 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 12:38:01 AM vethe30936d 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 12:38:01 AM br-3dcac4601372 5.61 5.60 25.61 0.93 0.00 0.00 0.00 0.00 12:39:01 AM lo 0.97 0.97 0.06 0.06 0.00 0.00 0.00 0.00 12:39:01 AM eth0 266.91 163.30 631.37 212.98 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.05 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.81 2.81 4.55 4.55 0.00 0.00 0.00 0.00 Average: eth0 256.66 156.25 2694.65 68.60 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) 05/02/2026 _x86_64_ (4 CPU) 00:32:21 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 24.11 0.00 2.31 1.12 0.08 72.37 12:34:01 AM 0 22.85 0.00 2.30 1.15 0.08 73.62 12:34:01 AM 1 29.07 0.00 2.04 0.84 0.08 67.97 12:34:01 AM 2 14.78 0.00 2.49 1.44 0.08 81.20 12:34:01 AM 3 29.73 0.00 2.42 1.05 0.08 66.72 12:35:01 AM all 58.83 0.00 1.94 0.65 0.10 38.48 12:35:01 AM 0 59.43 0.00 1.60 0.43 0.10 38.44 12:35:01 AM 1 62.06 0.00 1.65 0.35 0.10 35.84 12:35:01 AM 2 53.05 0.00 1.90 0.90 0.10 44.05 12:35:01 AM 3 60.79 0.00 2.61 0.92 0.10 35.59 12:36:01 AM all 33.48 0.00 1.38 0.21 0.08 64.84 12:36:01 AM 0 36.40 0.00 1.02 0.00 0.08 62.49 12:36:01 AM 1 29.50 0.00 1.80 0.48 0.08 68.12 12:36:01 AM 2 38.20 0.00 1.35 0.12 0.08 60.25 12:36:01 AM 3 29.83 0.00 1.35 0.23 0.08 68.50 12:37:01 AM all 28.52 0.00 1.22 0.03 0.10 70.13 12:37:01 AM 0 49.66 0.00 1.59 0.07 0.10 48.59 12:37:01 AM 1 22.35 0.00 1.17 0.05 0.12 76.31 12:37:01 AM 2 23.85 0.00 1.12 0.00 0.10 74.93 12:37:01 AM 3 18.20 0.00 1.02 0.02 0.07 80.69 12:38:01 AM all 23.14 0.00 2.94 0.56 0.10 73.25 12:38:01 AM 0 26.09 0.00 2.92 0.99 0.10 69.90 12:38:01 AM 1 21.06 0.00 2.84 0.30 0.10 75.69 12:38:01 AM 2 20.75 0.00 3.34 0.34 0.10 75.47 12:38:01 AM 3 24.66 0.00 2.67 0.62 0.10 71.96 12:39:01 AM all 38.06 0.00 1.30 0.10 0.08 60.46 12:39:01 AM 0 23.35 0.00 1.17 0.07 0.08 75.33 12:39:01 AM 1 39.75 0.00 0.85 0.12 0.08 59.20 12:39:01 AM 2 47.99 0.00 2.11 0.07 0.07 49.77 12:39:01 AM 3 41.15 0.00 1.07 0.15 0.08 57.55 Average: all 34.37 0.00 1.85 0.45 0.09 63.25 Average: 0 36.31 0.00 1.76 0.45 0.09 61.39 Average: 1 33.98 0.00 1.72 0.36 0.09 63.84 Average: 2 33.13 0.00 2.05 0.48 0.09 64.26 Average: 3 34.06 0.00 1.86 0.50 0.09 63.50