---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4615 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 UTC 2022 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 xtopology 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 arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 9.0G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 576 12669 0 2794 15137 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: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:96:ea:25 brd ff:ff:ff:ff:ff:ff inet 10.30.107.246/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86000sec preferred_lft 86000sec inet6 fe80::f816:3eff:fe96:ea25/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-4615) 03/25/26 _x86_64_ (4 CPU) 03:06:12 LINUX RESTART (4 CPU) 03:07:02 tps rtps wtps bread/s bwrtn/s 03:08:01 108.15 55.06 53.09 3667.04 17429.18 03:09:01 89.69 11.18 78.50 307.28 11637.39 03:10:01 102.18 4.53 97.65 130.11 15571.94 03:11:01 14.46 5.16 9.30 400.40 2579.54 03:12:01 42.18 6.03 36.14 144.64 6480.52 Average: 71.21 16.26 54.94 920.72 10717.07 03:07:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:08:01 14191896 15545072 2233064 13.60 44268 1521268 848548 4.86 659712 1380040 59276 03:09:01 13858876 15583468 2566084 15.62 69268 1849456 765568 4.38 638888 1698240 213328 03:10:01 13131168 15051100 3293792 20.05 83952 2020524 1300828 7.44 1197176 1845672 10092 03:11:01 12348832 14298024 4076128 24.82 85204 2047460 2067376 11.83 1975944 1844940 9512 03:12:01 12954756 15478960 3470204 21.13 90492 2608264 872080 4.99 1010288 2191564 477920 Average: 13297106 15191325 3127854 19.04 74637 2009394 1170880 6.70 1096402 1792091 154026 03:07:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:08:01 lo 1.29 1.29 0.14 0.14 0.00 0.00 0.00 0.00 03:08:01 ens3 305.05 224.25 1079.84 73.03 0.00 0.00 0.00 0.00 03:09:01 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 03:09:01 ens3 101.38 73.87 1456.51 14.10 0.00 0.00 0.00 0.00 03:10:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 03:10:01 ens3 393.05 342.01 2610.63 83.89 0.00 0.00 0.00 0.00 03:11:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 03:11:01 ens3 358.98 283.14 129.56 194.01 0.00 0.00 0.00 0.00 03:12:01 lo 2.88 2.88 0.26 0.26 0.00 0.00 0.00 0.00 03:12:01 ens3 347.18 299.28 758.98 1804.07 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 301.12 244.58 1207.49 435.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-4615) 03/25/26 _x86_64_ (4 CPU) 03:06:12 LINUX RESTART (4 CPU) 03:07:02 CPU %user %nice %system %iowait %steal %idle 03:08:01 all 13.35 0.00 1.30 18.76 0.08 66.51 03:08:01 0 14.18 0.00 1.17 4.58 0.07 80.00 03:08:01 1 17.19 0.00 1.48 10.83 0.09 70.41 03:08:01 2 12.97 0.00 1.22 10.88 0.03 74.89 03:08:01 3 9.07 0.00 1.33 48.87 0.12 40.61 03:09:01 all 12.08 0.00 1.04 11.10 0.05 75.73 03:09:01 0 30.10 0.00 2.25 2.69 0.07 64.89 03:09:01 1 3.46 0.00 0.80 36.15 0.03 59.56 03:09:01 2 1.34 0.00 0.28 0.12 0.03 98.23 03:09:01 3 13.42 0.00 0.83 5.42 0.07 80.25 03:10:01 all 23.52 0.00 1.60 2.61 0.09 72.18 03:10:01 0 25.65 0.00 1.22 1.29 0.07 71.78 03:10:01 1 25.37 0.00 1.20 1.99 0.08 71.36 03:10:01 2 25.27 0.00 2.30 1.32 0.10 71.01 03:10:01 3 17.75 0.00 1.69 5.86 0.12 74.58 03:11:01 all 34.05 0.00 4.60 0.38 0.06 60.91 03:11:01 0 54.65 0.00 0.52 0.90 0.05 43.88 03:11:01 1 33.35 0.00 8.33 0.00 0.07 58.25 03:11:01 2 27.92 0.00 8.08 0.15 0.03 63.81 03:11:01 3 20.32 0.00 1.50 0.50 0.07 77.62 03:12:01 all 36.71 0.00 2.08 0.38 0.08 60.75 03:12:01 0 39.71 0.00 1.55 0.17 0.08 58.48 03:12:01 1 32.98 0.00 2.74 0.38 0.08 63.81 03:12:01 2 31.24 0.00 2.17 0.30 0.10 66.19 03:12:01 3 42.91 0.00 1.88 0.67 0.07 54.47 Average: all 23.98 0.00 2.13 6.60 0.07 67.21 Average: 0 32.92 0.00 1.34 1.92 0.07 63.75 Average: 1 22.49 0.00 2.92 9.86 0.07 64.66 Average: 2 19.78 0.00 2.82 2.53 0.06 74.81 Average: 3 20.73 0.00 1.45 12.11 0.09 65.63