---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-3997 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 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: 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 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.7G 12G 40% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 472 5218 0 2284 7220 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 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:4b:00:90 brd ff:ff:ff:ff:ff:ff inet 10.32.6.177/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86085sec preferred_lft 86085sec inet6 fe80::f816:3eff:fe4b:90/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3997) 06/22/26 _x86_64_ (4 CPU) 07:04:57 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 154.84 85.62 69.22 4950.24 39583.82 07:07:01 52.86 0.17 52.69 22.23 8972.28 07:08:01 83.54 35.56 47.98 2119.51 8735.21 07:09:01 29.91 6.93 22.98 231.16 8538.58 07:10:01 22.41 0.35 22.06 33.73 1493.62 Average: 68.77 25.81 42.95 1476.17 13479.57 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 6090412 7459608 2077000 25.43 34496 1515876 664900 7.21 538436 1377916 59228 07:07:01 5822576 7417180 2344836 28.71 51884 1712804 692508 7.51 587096 1573216 86384 07:08:01 5273160 7165440 2894252 35.44 64604 1983520 1350400 14.65 894532 1785268 98652 07:09:01 5347760 7393560 2819652 34.52 67384 2132176 685884 7.44 757564 1845300 27840 07:10:01 5328128 7378152 2839284 34.76 69248 2134404 698132 7.58 777632 1844688 10740 Average: 5572407 7362788 2595005 31.77 57523 1895756 818365 8.88 711052 1685278 56569 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 268.71 171.32 1094.72 60.76 0.00 0.00 0.00 0.00 07:06:02 lo 1.67 1.67 0.15 0.15 0.00 0.00 0.00 0.00 07:07:01 ens3 73.62 52.64 814.87 6.11 0.00 0.00 0.00 0.00 07:07:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 07:08:01 ens3 170.44 146.14 1660.94 27.91 0.00 0.00 0.00 0.00 07:08:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 07:09:01 ens3 81.42 89.79 389.18 677.41 0.00 0.00 0.00 0.00 07:09:01 lo 1.43 1.43 0.13 0.13 0.00 0.00 0.00 0.00 07:10:01 ens3 12.30 12.53 10.02 6.08 0.00 0.00 0.00 0.00 07:10:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 121.45 94.62 793.88 156.15 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3997) 06/22/26 _x86_64_ (4 CPU) 07:04:57 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 19.31 0.00 3.07 5.77 3.91 67.93 07:06:02 0 16.47 0.00 1.85 7.56 3.54 70.57 07:06:02 1 37.77 0.00 6.59 4.60 4.67 46.37 07:06:02 2 7.76 0.00 2.14 6.71 4.31 79.09 07:06:02 3 15.39 0.00 1.73 4.20 3.11 75.57 07:07:01 all 17.45 0.00 1.01 2.42 2.48 76.64 07:07:01 0 7.91 0.00 0.61 0.37 1.09 90.02 07:07:01 1 20.36 0.00 0.91 2.20 2.19 74.34 07:07:01 2 21.56 0.00 1.29 6.47 3.28 67.41 07:07:01 3 19.92 0.00 1.25 0.62 3.36 74.86 07:08:01 all 30.00 0.00 1.91 2.08 6.16 59.85 07:08:01 0 23.03 0.00 1.60 3.24 5.27 66.85 07:08:01 1 45.52 0.00 2.95 1.80 6.94 42.79 07:08:01 2 24.89 0.00 1.65 1.97 6.41 65.09 07:08:01 3 26.59 0.00 1.44 1.33 5.99 64.65 07:09:01 all 24.08 0.00 1.16 1.13 3.41 70.22 07:09:01 0 29.62 0.00 1.49 1.14 3.49 64.26 07:09:01 1 10.49 0.00 0.92 0.15 2.96 85.47 07:09:01 2 18.89 0.00 0.79 1.85 3.09 75.38 07:09:01 3 37.37 0.00 1.44 1.36 4.10 55.74 07:10:01 all 20.35 0.00 0.93 0.91 1.88 75.93 07:10:01 0 19.99 0.00 0.98 0.10 1.38 77.55 07:10:01 1 3.79 0.00 0.51 0.10 0.83 94.78 07:10:01 2 43.61 0.00 1.32 1.27 3.42 50.37 07:10:01 3 14.03 0.00 0.92 2.18 1.88 80.99 Average: all 22.26 0.00 1.62 2.47 3.58 70.07 Average: 0 19.44 0.00 1.31 2.50 2.97 73.77 Average: 1 23.64 0.00 2.39 1.77 3.53 68.67 Average: 2 23.28 0.00 1.44 3.66 4.11 67.51 Average: 3 22.66 0.00 1.36 1.94 3.69 70.35