---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1297 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 8.9G 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 548 12717 0 2773 15164 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:1c:57:14 brd ff:ff:ff:ff:ff:ff inet 10.30.106.162/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fe1c:5714/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1297) 11/06/26 _x86_64_ (4 CPU) 09:32:57 LINUX RESTART (4 CPU) 09:33:01 tps rtps wtps bread/s bwrtn/s 09:34:02 392.34 62.65 329.69 4294.30 108420.93 09:35:01 192.93 35.56 157.37 1885.73 21788.68 09:36:01 24.70 7.97 16.73 699.22 2978.17 09:37:01 16.83 2.62 14.22 121.60 1237.60 Average: 156.57 27.17 129.40 1749.83 33659.77 09:33:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:34:02 13959152 15539312 2465808 15.01 62184 1719628 791892 4.53 671472 1579616 176136 09:35:01 13040972 15165480 3383988 20.60 82692 2221492 1113520 6.37 1127284 1996800 59124 09:36:01 12159948 14330944 4265012 25.97 84268 2264372 2094360 11.99 2006364 1993120 2088 09:37:01 13073464 15576604 3351496 20.40 86240 2589932 748676 4.28 902032 2178740 321376 Average: 13058384 15153085 3366576 20.50 78846 2198856 1187112 6.79 1176788 1937069 139681 09:33:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:34:02 ens3 360.93 247.12 1875.12 75.40 0.00 0.00 0.00 0.00 09:34:02 lo 1.73 1.73 0.19 0.19 0.00 0.00 0.00 0.00 09:35:01 ens3 446.92 356.83 4317.04 58.39 0.00 0.00 0.00 0.00 09:35:01 lo 0.61 0.61 0.06 0.06 0.00 0.00 0.00 0.00 09:36:01 ens3 226.63 128.20 190.81 66.18 0.00 0.00 0.00 0.00 09:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:37:01 ens3 218.12 142.32 377.18 55.76 0.00 0.00 0.00 0.00 09:37:01 lo 0.65 0.65 0.91 0.91 0.00 0.00 0.00 0.00 Average: ens3 312.60 218.05 1679.22 63.96 0.00 0.00 0.00 0.00 Average: lo 0.75 0.75 0.29 0.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1297) 11/06/26 _x86_64_ (4 CPU) 09:32:57 LINUX RESTART (4 CPU) 09:33:01 CPU %user %nice %system %iowait %steal %idle 09:34:02 all 20.96 0.00 2.49 5.44 0.03 71.09 09:34:02 0 18.12 0.00 1.76 1.66 0.02 78.45 09:34:02 1 15.35 0.00 2.57 12.09 0.03 69.95 09:34:02 2 36.57 0.00 4.50 3.16 0.03 55.74 09:34:02 3 13.68 0.00 1.11 4.87 0.02 80.33 09:35:01 all 33.22 0.00 2.47 0.99 0.02 63.30 09:35:01 0 26.84 0.00 2.24 1.22 0.02 69.68 09:35:01 1 26.03 0.00 1.93 0.61 0.02 71.41 09:35:01 2 51.87 0.00 3.61 1.36 0.02 43.14 09:35:01 3 28.10 0.00 2.02 0.82 0.03 69.02 09:36:01 all 76.42 0.00 2.23 0.12 0.03 21.20 09:36:01 0 74.85 0.00 1.91 0.12 0.05 23.07 09:36:01 1 72.04 0.00 1.91 0.05 0.02 25.99 09:36:01 2 80.78 0.00 2.19 0.07 0.03 16.93 09:36:01 3 78.01 0.00 2.96 0.23 0.02 18.78 09:37:01 all 62.00 0.00 2.24 0.07 0.03 35.66 09:37:01 0 57.86 0.00 2.09 0.17 0.03 39.85 09:37:01 1 55.74 0.00 2.63 0.02 0.02 41.60 09:37:01 2 61.78 0.00 1.69 0.02 0.05 36.46 09:37:01 3 72.57 0.00 2.57 0.05 0.05 24.76 Average: all 48.20 0.00 2.36 1.66 0.03 47.76 Average: 0 44.46 0.00 2.00 0.79 0.03 52.72 Average: 1 42.37 0.00 2.26 3.19 0.02 52.15 Average: 2 57.75 0.00 3.00 1.15 0.03 38.07 Average: 3 48.21 0.00 2.17 1.49 0.03 48.10