---> uname -a: Linux prd-centos8-docker-4c-4g-2761.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1048 10743 20 3969 14361 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:02:a2:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.88/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85933sec preferred_lft 85933sec inet6 fe80::f816:3eff:fe02:a209/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:72:9c:a2:00 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::42:72ff:fe9c:a200/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 11/12/2026 _x86_64_ (4 CPU) 08:21:28 LINUX RESTART (4 CPU) 08:22:02 AM tps rtps wtps bread/s bwrtn/s 08:23:01 AM 234.06 32.12 201.93 4835.80 37683.09 08:24:01 AM 107.21 0.53 106.68 149.95 10899.65 08:25:01 AM 218.00 21.63 196.37 3873.89 13809.80 08:26:01 AM 14.54 0.43 14.11 395.27 963.93 08:27:01 AM 75.46 1.25 74.21 112.50 12698.10 08:28:01 AM 1209.82 72.05 1137.76 1351.91 36125.75 08:29:01 AM 95.63 47.19 48.44 843.73 2222.03 Average: 279.33 25.01 254.32 1644.21 16291.84 08:22:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:23:01 AM 13509212 15084180 2630096 16.30 2688 1802020 1152180 6.70 139268 2174140 43372 08:24:01 AM 13182320 15119664 2956988 18.32 2688 2146120 1066280 6.20 141240 2427256 140308 08:25:01 AM 11704204 13988796 4435104 27.48 2688 2486844 2110332 12.28 207424 3803612 8836 08:26:01 AM 11632764 13943592 4506544 27.92 2688 2512120 2436632 14.18 209088 3867588 12 08:27:01 AM 11470596 14263548 4668712 28.93 2688 2983944 2093124 12.18 364796 3837836 134188 08:28:01 AM 10146788 13774972 5992520 37.13 2688 3618648 2015380 11.73 414020 4657948 14888 08:29:01 AM 11071504 14772780 5067804 31.40 2688 3685920 1178576 6.86 620440 3528868 55368 Average: 11816770 14421076 4322538 26.78 2688 2747945 1721786 10.02 299468 3471035 56710 08:22:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 AM eth0 264.69 170.94 1081.55 67.65 0.00 0.00 0.00 0.00 08:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 AM eth0 67.96 46.05 1079.92 6.73 0.00 0.00 0.00 0.00 08:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 AM eth0 264.19 230.08 3131.08 37.83 0.00 0.00 0.00 0.00 08:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 08:26:01 AM eth0 10.79 8.60 99.12 2.24 0.00 0.00 0.00 0.00 08:26:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:26:01 AM veth1bc0755 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 08:27:01 AM lo 7.93 7.93 5.33 5.33 0.00 0.00 0.00 0.00 08:27:01 AM eth0 139.47 86.25 2447.78 10.98 0.00 0.00 0.00 0.00 08:27:01 AM docker0 3.38 3.13 4.09 0.45 0.00 0.00 0.00 0.00 08:27:01 AM veth1bc0755 0.18 0.23 0.01 0.01 0.00 0.00 0.00 0.00 08:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 AM eth0 138.93 106.12 1526.84 16.49 0.00 0.00 0.00 0.00 08:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 AM eth0 15.61 13.88 47.24 5.79 0.00 0.00 0.00 0.00 08:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.17 1.17 0.77 0.77 0.00 0.00 0.00 0.00 Average: eth0 128.48 94.37 1345.37 20.99 0.00 0.00 0.00 0.00 Average: docker0 0.51 0.48 0.59 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 11/12/2026 _x86_64_ (4 CPU) 08:21:28 LINUX RESTART (4 CPU) 08:22:02 AM CPU %user %nice %system %iowait %steal %idle 08:23:01 AM all 14.29 0.00 2.30 1.61 0.01 81.79 08:23:01 AM 0 14.15 0.00 2.28 2.62 0.00 80.95 08:23:01 AM 1 17.00 0.00 2.02 0.42 0.02 80.54 08:23:01 AM 2 9.41 0.00 2.29 0.82 0.02 87.46 08:23:01 AM 3 16.59 0.00 2.60 2.57 0.00 78.23 08:24:01 AM all 11.34 0.00 1.24 0.57 0.01 86.84 08:24:01 AM 0 25.00 0.00 2.27 0.43 0.02 72.28 08:24:01 AM 1 3.06 0.00 0.87 0.89 0.02 95.17 08:24:01 AM 2 9.62 0.00 1.12 0.37 0.00 88.89 08:24:01 AM 3 7.67 0.00 0.69 0.59 0.02 91.04 08:25:01 AM all 30.15 0.00 2.00 1.36 0.02 66.47 08:25:01 AM 0 33.05 0.00 1.71 1.46 0.00 63.78 08:25:01 AM 1 25.76 0.00 2.41 1.37 0.02 70.44 08:25:01 AM 2 26.91 0.00 2.46 1.54 0.03 69.06 08:25:01 AM 3 34.89 0.00 1.41 1.09 0.02 62.60 08:26:01 AM all 0.81 0.00 0.31 0.09 0.00 98.79 08:26:01 AM 0 0.77 0.00 0.40 0.13 0.00 98.69 08:26:01 AM 1 0.79 0.00 0.28 0.08 0.00 98.84 08:26:01 AM 2 0.89 0.00 0.30 0.02 0.00 98.80 08:26:01 AM 3 0.80 0.00 0.25 0.12 0.00 98.83 08:27:01 AM all 23.22 0.08 2.34 0.48 0.01 73.86 08:27:01 AM 0 23.20 0.13 2.41 0.47 0.02 73.76 08:27:01 AM 1 25.27 0.02 2.23 0.37 0.00 72.11 08:27:01 AM 2 26.58 0.03 2.53 0.55 0.00 70.30 08:27:01 AM 3 17.84 0.15 2.20 0.54 0.02 79.26 08:28:01 AM all 18.40 0.00 9.76 10.10 0.02 61.73 08:28:01 AM 0 12.26 0.00 9.30 9.01 0.02 69.42 08:28:01 AM 1 10.33 0.00 8.65 11.21 0.02 69.79 08:28:01 AM 2 32.79 0.00 9.76 9.41 0.02 48.02 08:28:01 AM 3 18.21 0.00 11.33 10.77 0.02 59.67 08:29:01 AM all 42.36 0.00 2.00 0.70 0.02 54.93 08:29:01 AM 0 39.56 0.00 2.17 0.70 0.03 57.53 08:29:01 AM 1 28.56 0.00 1.71 0.74 0.02 68.98 08:29:01 AM 2 40.59 0.00 1.99 0.72 0.02 56.68 08:29:01 AM 3 60.72 0.00 2.12 0.64 0.00 36.52 Average: all 20.10 0.01 2.84 2.12 0.01 74.93 Average: 0 21.17 0.02 2.93 2.11 0.01 73.76 Average: 1 15.82 0.00 2.59 2.14 0.01 79.43 Average: 2 20.98 0.00 2.91 1.91 0.01 74.18 Average: 3 22.41 0.02 2.92 2.31 0.01 72.33