---> uname -a: Linux prd-centos8-docker-8c-8g-123.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1109 26715 19 4065 30307 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:5a:74:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.82/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85972sec preferred_lft 85972sec inet6 fe80::f816:3eff:fe5a:745a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:79:4b:e3:37 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::42:79ff:fe4b:e337/64 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) 01/13/2026 _x86_64_ (8 CPU) 17:36:17 LINUX RESTART (8 CPU) 05:37:01 PM tps rtps wtps bread/s bwrtn/s 05:38:01 PM 238.94 17.38 221.56 3727.82 11188.74 05:39:01 PM 191.33 1.82 189.52 498.85 15633.04 05:40:01 PM 25.77 0.12 25.66 40.79 2714.05 05:41:01 PM 119.21 0.57 118.64 389.60 38735.92 05:42:01 PM 21.11 0.48 20.62 21.46 508.13 05:43:01 PM 47.24 0.45 46.79 63.86 9028.86 Average: 107.26 3.47 103.80 790.40 12967.81 05:37:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:38:01 PM 28759312 30759872 3896400 11.93 2688 2314768 1820744 5.40 210588 3211640 226820 05:39:01 PM 27462824 29739300 5192888 15.90 2688 2584584 3816912 11.32 280628 4406692 68260 05:40:01 PM 24808540 28066340 7847172 24.03 2688 3560216 4453956 13.21 336128 6983564 969888 05:41:01 PM 24151604 27566920 8504108 26.04 2688 3695664 4834920 14.35 439152 7447872 328 05:42:01 PM 23915904 27338032 8739808 26.76 2688 3703024 4744244 14.08 443520 7680272 24 05:43:01 PM 27388392 31063152 5267320 16.13 2688 3951864 1489788 4.42 680132 3977040 23112 Average: 26081096 29088936 6574616 20.13 2688 3301687 3526761 10.46 398358 5617847 214739 05:37:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:38:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:38:01 PM eth0 276.01 227.82 3168.60 36.35 0.00 0.00 0.00 0.00 05:38:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:39:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:39:01 PM eth0 311.53 237.96 3829.36 38.93 0.00 0.00 0.00 0.00 05:39:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 PM eth0 461.55 292.59 9558.97 52.09 0.00 0.00 0.00 0.00 05:40:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:41:01 PM lo 23.04 23.04 2.23 2.23 0.00 0.00 0.00 0.00 05:41:01 PM eth0 36.15 28.86 14.00 18.03 0.00 0.00 0.00 0.00 05:41:01 PM docker0 7.45 8.38 1.01 0.99 0.00 0.00 0.00 0.00 05:41:01 PM veth488c0d6 2.05 2.50 0.32 0.30 0.00 0.00 0.00 0.00 05:42:01 PM lo 71.88 71.88 4.61 4.61 0.00 0.00 0.00 0.00 05:42:01 PM eth0 297.87 221.57 84.21 98.43 0.00 0.00 0.00 0.00 05:42:01 PM docker0 5.38 6.26 0.88 0.89 0.00 0.00 0.00 0.00 05:43:01 PM lo 12.51 12.51 0.63 0.63 0.00 0.00 0.00 0.00 05:43:01 PM eth0 126.53 100.43 717.14 32.33 0.00 0.00 0.00 0.00 05:43:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.91 17.91 1.24 1.24 0.00 0.00 0.00 0.00 Average: eth0 251.61 184.87 2895.34 46.03 0.00 0.00 0.00 0.00 Average: docker0 2.14 2.44 0.32 0.31 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) 01/13/2026 _x86_64_ (8 CPU) 17:36:17 LINUX RESTART (8 CPU) 05:37:01 PM CPU %user %nice %system %iowait %steal %idle 05:38:01 PM all 19.31 0.00 1.36 0.68 0.07 78.58 05:38:01 PM 0 28.72 0.00 2.36 0.67 0.08 68.17 05:38:01 PM 1 26.93 0.00 2.05 0.97 0.08 69.97 05:38:01 PM 2 11.45 0.00 0.79 0.82 0.08 86.86 05:38:01 PM 3 30.81 0.00 1.82 0.60 0.07 66.71 05:38:01 PM 4 12.47 0.00 0.88 0.70 0.07 85.87 05:38:01 PM 5 10.31 0.00 0.90 0.17 0.07 88.56 05:38:01 PM 6 20.56 0.00 1.12 1.07 0.05 77.20 05:38:01 PM 7 13.22 0.00 0.97 0.42 0.05 85.34 05:39:01 PM all 39.00 0.00 1.28 0.60 0.08 59.04 05:39:01 PM 0 36.47 0.00 1.42 0.25 0.08 61.78 05:39:01 PM 1 32.89 0.00 1.07 0.38 0.07 65.59 05:39:01 PM 2 42.44 0.00 1.24 0.78 0.08 55.46 05:39:01 PM 3 51.82 0.00 2.23 0.85 0.10 44.99 05:39:01 PM 4 40.16 0.00 1.00 0.38 0.08 58.37 05:39:01 PM 5 16.91 0.00 1.34 1.32 0.08 80.35 05:39:01 PM 6 52.87 0.00 0.88 0.22 0.08 45.94 05:39:01 PM 7 38.44 0.00 1.05 0.59 0.08 59.84 05:40:01 PM all 22.62 0.00 1.28 0.09 0.05 75.95 05:40:01 PM 0 10.38 0.00 1.96 0.03 0.08 87.55 05:40:01 PM 1 4.81 0.00 0.87 0.00 0.05 94.27 05:40:01 PM 2 27.69 0.00 1.54 0.02 0.07 70.69 05:40:01 PM 3 24.48 0.00 0.94 0.00 0.03 74.55 05:40:01 PM 4 13.40 0.00 0.89 0.00 0.03 85.68 05:40:01 PM 5 7.55 0.00 1.66 0.64 0.03 90.11 05:40:01 PM 6 26.29 0.00 0.84 0.00 0.03 72.84 05:40:01 PM 7 66.18 0.00 1.58 0.02 0.05 32.17 05:41:01 PM all 22.48 0.00 3.08 0.76 0.09 73.59 05:41:01 PM 0 20.00 0.00 3.24 1.26 0.08 75.42 05:41:01 PM 1 23.96 0.00 2.84 0.35 0.08 72.76 05:41:01 PM 2 18.78 0.00 2.66 0.91 0.07 77.58 05:41:01 PM 3 17.73 0.00 3.88 2.42 0.08 75.89 05:41:01 PM 4 25.02 0.00 2.89 0.20 0.10 71.79 05:41:01 PM 5 17.84 0.00 2.25 0.13 0.08 79.69 05:41:01 PM 6 25.81 0.00 3.65 0.10 0.08 70.36 05:41:01 PM 7 30.69 0.00 3.25 0.70 0.10 65.25 05:42:01 PM all 13.13 0.00 1.80 0.04 0.08 84.95 05:42:01 PM 0 14.78 0.00 2.24 0.03 0.08 82.86 05:42:01 PM 1 21.03 0.00 2.01 0.03 0.08 76.85 05:42:01 PM 2 8.88 0.00 1.86 0.10 0.08 89.08 05:42:01 PM 3 12.46 0.00 1.39 0.03 0.08 86.03 05:42:01 PM 4 14.66 0.00 1.84 0.00 0.07 83.44 05:42:01 PM 5 9.59 0.00 2.12 0.03 0.08 88.17 05:42:01 PM 6 10.71 0.00 1.49 0.02 0.07 87.72 05:42:01 PM 7 12.95 0.00 1.47 0.03 0.07 85.47 05:43:01 PM all 30.92 0.00 1.26 0.19 0.08 67.56 05:43:01 PM 0 18.96 0.00 1.55 0.18 0.08 79.22 05:43:01 PM 1 37.33 0.00 0.60 0.32 0.07 61.68 05:43:01 PM 2 29.85 0.00 2.12 0.73 0.08 67.21 05:43:01 PM 3 14.94 0.00 1.15 0.03 0.08 83.79 05:43:01 PM 4 36.06 0.00 1.15 0.02 0.08 62.69 05:43:01 PM 5 25.73 0.00 1.19 0.00 0.07 73.02 05:43:01 PM 6 33.02 0.00 1.14 0.05 0.07 65.73 05:43:01 PM 7 51.43 0.00 1.17 0.18 0.08 47.14 Average: all 24.58 0.00 1.68 0.39 0.07 73.27 Average: 0 21.56 0.00 2.13 0.40 0.08 75.83 Average: 1 24.50 0.00 1.57 0.34 0.07 73.51 Average: 2 23.20 0.00 1.70 0.56 0.08 74.46 Average: 3 25.38 0.00 1.90 0.66 0.08 71.99 Average: 4 23.63 0.00 1.44 0.22 0.07 74.63 Average: 5 14.66 0.00 1.58 0.38 0.07 83.32 Average: 6 28.22 0.00 1.52 0.24 0.06 69.96 Average: 7 35.50 0.00 1.58 0.32 0.07 62.52