---> uname -a: Linux prd-centos8-docker-4c-4g-9032.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 1538 10621 19 3603 13876 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:ce:d8:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.186/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85930sec preferred_lft 85930sec inet6 fe80::f816:3eff:fece:d81f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c6:c2:a3:94 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:c6ff:fec2:a394/64 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) 05/09/2026 _x86_64_ (4 CPU) 00:32:23 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 155.43 15.14 140.29 3238.39 9930.16 12:35:02 AM 180.15 7.30 172.85 1029.16 26382.67 12:36:01 AM 63.80 0.05 63.75 1.08 8182.30 12:37:01 AM 3.82 0.00 3.82 0.00 284.56 12:38:01 AM 65.55 3.61 61.93 644.87 15005.46 12:39:01 AM 48.20 0.02 48.18 0.67 2445.93 12:40:01 AM 25.47 3.10 22.38 148.35 1539.75 Average: 77.52 4.18 73.33 724.90 9112.74 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 12437744 14916680 3703788 22.95 2688 2687348 1263244 7.35 183976 3135148 642700 12:35:02 AM 11683360 14340924 4458172 27.62 2688 2860116 1750440 10.18 261412 3783892 45212 12:36:01 AM 9628268 12470000 6513264 40.35 2688 3042120 3723616 21.66 289572 5796776 3280 12:37:01 AM 9381392 12227700 6760140 41.88 2688 3046596 3723616 21.66 289604 6043004 1896 12:38:01 AM 5833976 9148980 10307556 63.86 2688 3503812 13550444 78.83 408868 9384424 172 12:39:01 AM 11725916 15029804 4415616 27.36 2688 3492520 1122464 6.53 439876 3512328 1792 12:40:01 AM 10903684 14236272 5237848 32.45 2688 3520192 1808584 10.52 691240 4082456 24348 Average: 10227763 13195766 5913769 36.64 2688 3164672 3848915 22.39 366364 5105433 102771 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 480.89 210.13 9441.36 29.16 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 12:35:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:02 AM eth0 207.13 175.79 2055.47 29.63 0.00 0.00 0.00 0.00 12:35:02 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 209.64 144.98 2874.64 36.11 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 359.23 231.69 109.29 107.66 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 6.11 6.11 4.01 4.01 0.00 0.00 0.00 0.00 12:38:01 AM eth0 240.88 154.49 2837.31 26.67 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 12:38:01 AM vetha5fb491 0.10 0.33 0.01 0.03 0.00 0.00 0.00 0.00 12:38:01 AM br-e30dfdf19604 0.95 1.12 3.34 0.14 0.00 0.00 0.00 0.00 12:38:01 AM vetheff3fde 0.90 1.12 3.35 0.13 0.00 0.00 0.00 0.00 12:38:01 AM veth977c250 1.83 2.03 3.47 3.48 0.00 0.00 0.00 0.00 12:39:01 AM lo 10.86 10.86 23.13 23.13 0.00 0.00 0.00 0.00 12:39:01 AM eth0 31.92 28.94 255.66 7.13 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.10 0.12 0.00 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 271.63 162.53 394.11 217.08 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 2.43 2.43 3.89 3.89 0.00 0.00 0.00 0.00 Average: eth0 257.44 158.39 2566.16 64.84 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) 05/09/2026 _x86_64_ (4 CPU) 00:32:23 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 21.24 0.00 2.10 1.36 0.08 75.23 12:34:01 AM 0 29.03 0.00 2.36 0.68 0.08 67.84 12:34:01 AM 1 15.70 0.00 1.32 1.39 0.07 81.52 12:34:01 AM 2 19.68 0.00 2.01 1.97 0.08 76.26 12:34:01 AM 3 20.54 0.00 2.70 1.37 0.08 75.31 12:35:02 AM all 42.96 0.00 1.77 7.35 0.09 47.83 12:35:02 AM 0 39.79 0.00 1.87 9.24 0.08 49.01 12:35:02 AM 1 44.56 0.00 1.34 3.94 0.08 50.08 12:35:02 AM 2 45.83 0.00 2.17 7.78 0.08 44.13 12:35:02 AM 3 41.64 0.00 1.71 8.46 0.10 48.09 12:36:01 AM all 47.52 0.00 1.33 1.01 0.10 50.04 12:36:01 AM 0 56.34 0.00 2.00 0.56 0.12 40.98 12:36:01 AM 1 41.19 0.00 1.51 1.99 0.08 55.23 12:36:01 AM 2 48.95 0.00 0.58 0.00 0.12 50.36 12:36:01 AM 3 43.59 0.00 1.22 1.51 0.08 53.59 12:37:01 AM all 14.10 0.00 1.38 0.02 0.06 84.44 12:37:01 AM 0 11.15 0.00 1.89 0.02 0.07 86.88 12:37:01 AM 1 16.47 0.00 1.19 0.00 0.07 82.28 12:37:01 AM 2 16.55 0.00 0.82 0.05 0.05 82.53 12:37:01 AM 3 12.23 0.00 1.64 0.00 0.07 86.07 12:38:01 AM all 44.34 0.00 2.99 1.28 0.11 51.29 12:38:01 AM 0 47.42 0.00 2.76 1.46 0.12 48.24 12:38:01 AM 1 42.20 0.00 2.61 0.45 0.10 54.64 12:38:01 AM 2 53.02 0.00 3.32 0.97 0.12 42.57 12:38:01 AM 3 34.71 0.00 3.25 2.23 0.10 59.71 12:39:01 AM all 21.12 0.00 1.28 0.31 0.07 77.21 12:39:01 AM 0 21.02 0.00 1.29 0.07 0.07 77.56 12:39:01 AM 1 20.75 0.00 1.34 0.30 0.07 77.55 12:39:01 AM 2 20.68 0.00 1.54 0.74 0.08 76.96 12:39:01 AM 3 22.05 0.00 0.97 0.15 0.07 76.76 12:40:01 AM all 33.30 0.00 1.67 0.20 0.07 64.75 12:40:01 AM 0 12.59 0.00 1.64 0.07 0.08 85.62 12:40:01 AM 1 40.01 0.00 1.99 0.22 0.08 57.70 12:40:01 AM 2 38.02 0.00 1.22 0.48 0.07 60.21 12:40:01 AM 3 42.55 0.00 1.85 0.05 0.05 55.50 Average: all 32.04 0.00 1.79 1.65 0.08 64.44 Average: 0 30.99 0.00 1.97 1.73 0.09 65.22 Average: 1 31.53 0.00 1.61 1.18 0.08 65.59 Average: 2 34.63 0.00 1.67 1.72 0.09 61.90 Average: 3 31.01 0.00 1.91 1.97 0.08 65.03