---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-646 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: 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 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 udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 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 555 12622 0 2862 15156 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:6f:1c:f1 brd ff:ff:ff:ff:ff:ff inet 10.30.107.177/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86115sec preferred_lft 86115sec inet6 fe80::f816:3eff:fe6f:1cf1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-646) 10/11/26 _x86_64_ (4 CPU) 03:04:30 LINUX RESTART (4 CPU) 03:05:03 tps rtps wtps bread/s bwrtn/s 03:06:01 137.37 12.03 125.34 333.05 48731.18 03:07:01 106.33 4.32 102.02 123.98 14511.18 03:08:01 13.13 5.10 8.03 406.73 879.32 03:09:01 40.33 2.70 37.63 135.71 19621.40 Average: 73.76 5.99 67.77 249.17 20702.23 03:05:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13816536 15611844 2608432 15.88 71640 1914428 712924 4.08 613952 1764636 235932 03:07:01 12676328 14666796 3748640 22.82 85628 2086228 1645580 9.42 1583756 1912584 14044 03:08:01 11961536 13981792 4463432 27.17 86904 2113552 2328532 13.33 2295952 1911124 9308 03:09:01 12943564 15540160 3481404 21.20 91112 2676656 791552 4.53 961680 2249568 26616 Average: 12849491 14950148 3575477 21.77 83821 2197716 1369647 7.84 1363835 1959478 71475 03:05:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 ens3 159.25 110.17 1713.95 34.84 0.00 0.00 0.00 0.00 03:06:01 lo 1.10 1.10 0.13 0.13 0.00 0.00 0.00 0.00 03:07:01 ens3 317.96 272.89 2533.68 60.49 0.00 0.00 0.00 0.00 03:07:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:08:01 ens3 2084.39 1366.74 545.73 536.18 0.00 0.00 0.00 0.00 03:08:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:09:01 ens3 370.27 248.91 751.85 1817.70 0.00 0.00 0.00 0.00 03:09:01 lo 2.88 2.88 0.26 0.26 0.00 0.00 0.00 0.00 Average: ens3 737.79 502.95 1383.55 617.15 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 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-646) 10/11/26 _x86_64_ (4 CPU) 03:04:30 LINUX RESTART (4 CPU) 03:05:03 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 17.78 0.00 1.36 2.91 0.02 77.93 03:06:01 0 10.40 0.00 0.95 1.52 0.00 87.13 03:06:01 1 25.86 0.00 1.98 0.91 0.02 71.22 03:06:01 2 31.17 0.00 2.19 5.78 0.02 60.84 03:06:01 3 3.82 0.00 0.34 3.42 0.02 92.40 03:07:01 all 27.57 0.00 1.64 0.36 0.01 70.43 03:07:01 0 18.88 0.00 1.87 0.25 0.00 78.99 03:07:01 1 30.20 0.00 0.67 0.02 0.02 69.10 03:07:01 2 28.55 0.00 1.24 0.99 0.02 69.21 03:07:01 3 32.62 0.00 2.79 0.18 0.02 64.39 03:08:01 all 31.99 0.00 6.63 0.08 0.02 61.28 03:08:01 0 25.39 0.00 8.40 0.12 0.03 66.05 03:08:01 1 23.55 0.00 6.64 0.08 0.02 69.72 03:08:01 2 27.02 0.00 5.07 0.08 0.00 67.83 03:08:01 3 51.95 0.00 6.45 0.03 0.02 41.55 03:09:01 all 37.38 0.00 2.27 0.45 0.02 59.89 03:09:01 0 27.25 0.00 1.79 0.03 0.02 70.91 03:09:01 1 34.07 0.00 2.53 1.44 0.02 61.95 03:09:01 2 27.03 0.00 2.35 0.23 0.02 70.38 03:09:01 3 61.26 0.00 2.42 0.08 0.03 36.21 Average: all 28.76 0.00 2.99 0.93 0.02 67.30 Average: 0 20.56 0.00 3.27 0.47 0.01 75.69 Average: 1 28.44 0.00 2.96 0.61 0.02 67.97 Average: 2 28.42 0.00 2.71 1.74 0.01 67.12 Average: 3 37.61 0.00 3.02 0.92 0.02 58.43