---> uname -a: Linux prd-centos8-docker-4c-4g-2860.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 814 11643 19 3305 14599 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:ac:35:db brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.135/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85927sec preferred_lft 85927sec inet6 fe80::f816:3eff:feac:35db/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a4:41:6d:0b 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:a4ff:fe41:6d0b/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) 01/03/2026 _x86_64_ (4 CPU) 08:02:30 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 193.29 18.53 174.76 3308.23 10259.60 08:05:01 AM 154.41 3.15 151.26 766.81 10373.15 08:06:01 AM 24.39 0.05 24.34 1.07 6183.89 08:07:01 AM 5.51 2.93 2.58 226.88 240.98 08:08:01 AM 70.38 0.57 69.81 408.66 15002.00 08:09:01 AM 17.53 1.22 16.31 1590.67 6475.59 08:10:01 AM 121.63 0.45 121.18 63.86 3502.35 Average: 83.87 3.84 80.03 909.43 7433.45 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12801584 14808872 3339948 20.69 2688 2214384 1342940 7.81 164112 2786080 168712 08:05:01 AM 11208972 13518844 4932560 30.56 2688 2511060 2324656 13.52 254756 4256480 177456 08:06:01 AM 10859212 13173184 5282320 32.73 2688 2514992 2589024 15.06 259400 4599656 1352 08:07:01 AM 9754628 12083496 6386904 39.57 2688 2529404 3684804 21.44 271668 5684764 3092 08:08:01 AM 9134188 11882624 7007344 43.41 2688 2938916 4143932 24.11 402372 6130476 96 08:09:01 AM 10940492 13938104 5201040 32.22 2688 3186376 2093904 12.18 453784 4279772 16720 08:10:01 AM 11904112 14930008 4237420 26.25 2688 3211716 1223264 7.12 653860 3113480 33952 Average: 10943313 13476447 5198219 32.20 2688 2729550 2486075 14.46 351422 4407244 57340 08:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 176.72 142.29 1961.88 29.47 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 340.66 264.17 4158.22 39.54 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 313.60 217.46 89.26 92.20 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 6.38 6.38 0.79 0.79 0.00 0.00 0.00 0.00 08:07:01 AM eth0 124.45 81.48 39.55 48.03 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 11.95 11.95 26.60 26.60 0.00 0.00 0.00 0.00 08:08:01 AM eth0 271.96 125.41 2839.07 11.63 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM veth63c14ae 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-fad8f4faf534 5.73 5.75 25.61 0.94 0.00 0.00 0.00 0.00 08:09:01 AM lo 0.88 0.88 0.06 0.06 0.00 0.00 0.00 0.00 08:09:01 AM eth0 177.71 137.04 2907.55 12.58 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 103.50 80.40 220.87 136.81 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.74 2.74 3.92 3.92 0.00 0.00 0.00 0.00 Average: eth0 215.51 149.74 1745.06 52.89 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) 01/03/2026 _x86_64_ (4 CPU) 08:02:30 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 26.04 0.00 2.28 1.10 0.08 70.51 08:04:01 AM 0 25.46 0.00 2.72 1.60 0.08 70.13 08:04:01 AM 1 28.88 0.00 2.12 0.60 0.08 68.31 08:04:01 AM 2 19.46 0.00 1.52 0.65 0.07 78.29 08:04:01 AM 3 30.34 0.00 2.74 1.55 0.07 65.30 08:05:01 AM all 60.16 0.00 2.09 0.74 0.10 36.91 08:05:01 AM 0 66.08 0.00 1.39 0.38 0.12 32.03 08:05:01 AM 1 62.95 0.00 2.39 0.69 0.10 33.87 08:05:01 AM 2 51.63 0.00 2.29 1.32 0.10 44.66 08:05:01 AM 3 59.96 0.00 2.29 0.58 0.10 37.07 08:06:01 AM all 21.83 0.00 1.30 0.20 0.06 76.60 08:06:01 AM 0 19.56 0.00 1.17 0.12 0.07 79.09 08:06:01 AM 1 20.10 0.00 1.32 0.00 0.05 78.53 08:06:01 AM 2 23.04 0.00 1.37 0.43 0.07 75.09 08:06:01 AM 3 24.62 0.00 1.35 0.27 0.07 73.70 08:07:01 AM all 36.66 0.00 1.31 0.03 0.08 61.92 08:07:01 AM 0 51.64 0.00 1.67 0.03 0.08 46.57 08:07:01 AM 1 42.26 0.00 1.52 0.07 0.08 56.07 08:07:01 AM 2 24.18 0.00 1.09 0.00 0.07 74.67 08:07:01 AM 3 28.54 0.00 0.97 0.02 0.07 70.41 08:08:01 AM all 23.82 0.00 2.80 0.63 0.09 72.65 08:08:01 AM 0 26.25 0.00 2.55 1.09 0.10 70.01 08:08:01 AM 1 20.48 0.00 3.13 0.34 0.10 75.95 08:08:01 AM 2 27.98 0.00 2.62 0.57 0.08 68.75 08:08:01 AM 3 20.57 0.00 2.89 0.54 0.08 75.92 08:09:01 AM all 49.80 0.00 1.26 0.13 0.09 48.72 08:09:01 AM 0 54.15 0.00 1.47 0.12 0.08 44.18 08:09:01 AM 1 40.88 0.00 1.05 0.28 0.08 57.69 08:09:01 AM 2 53.05 0.00 0.99 0.08 0.10 45.78 08:09:01 AM 3 51.08 0.00 1.54 0.05 0.08 47.25 08:10:01 AM all 52.28 0.00 1.87 0.44 0.09 45.32 08:10:01 AM 0 66.19 0.00 3.43 0.17 0.10 30.11 08:10:01 AM 1 24.59 0.00 2.14 1.55 0.08 71.63 08:10:01 AM 2 58.22 0.00 1.00 0.02 0.10 40.66 08:10:01 AM 3 60.09 0.00 0.90 0.03 0.08 38.90 Average: all 38.67 0.00 1.84 0.47 0.08 58.94 Average: 0 44.21 0.00 2.06 0.50 0.09 53.15 Average: 1 34.32 0.00 1.95 0.50 0.08 63.14 Average: 2 36.80 0.00 1.55 0.44 0.08 61.13 Average: 3 39.33 0.00 1.81 0.43 0.08 58.35