---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-947 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 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 613 12639 0 2786 15098 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:30:33:58 brd ff:ff:ff:ff:ff:ff inet 10.30.106.181/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86077sec preferred_lft 86077sec inet6 fe80::f816:3eff:fe30:3358/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-947) 11/04/26 _x86_64_ (4 CPU) 18:48:32 LINUX RESTART (4 CPU) 18:49:01 tps rtps wtps bread/s bwrtn/s 18:50:01 147.94 19.96 127.98 1292.45 42667.16 18:51:01 133.89 13.11 120.78 489.70 33560.68 18:52:01 39.24 11.10 28.14 806.66 5883.37 18:53:01 12.88 2.53 10.35 66.39 956.37 Average: 83.49 11.68 71.81 663.80 20766.81 18:49:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:01 13736184 15553796 2688784 16.37 70592 1937992 783760 4.49 665632 1789568 236132 18:51:01 13314460 15329900 3110508 18.94 87456 2108864 994200 5.69 935280 1918424 21496 18:52:01 11989188 14175284 4435780 27.01 90432 2271340 2144624 12.27 2158328 2009332 1808 18:53:01 11661272 14021968 4763696 29.00 91588 2441732 2224520 12.73 2376964 2111316 150100 Average: 12675276 14770237 3749692 22.83 85017 2189982 1536776 8.79 1534051 1957160 102384 18:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:01 lo 1.13 1.13 0.14 0.14 0.00 0.00 0.00 0.00 18:50:01 ens3 146.41 95.77 1661.48 22.91 0.00 0.00 0.00 0.00 18:51:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 18:51:01 ens3 298.68 286.57 2341.36 61.76 0.00 0.00 0.00 0.00 18:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:52:01 ens3 238.85 162.68 1453.01 49.27 0.00 0.00 0.00 0.00 18:53:01 lo 0.48 0.48 0.82 0.82 0.00 0.00 0.00 0.00 18:53:01 ens3 326.73 167.87 411.31 92.79 0.00 0.00 0.00 0.00 Average: lo 0.49 0.49 0.24 0.24 0.00 0.00 0.00 0.00 Average: ens3 252.67 178.23 1466.82 56.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-947) 11/04/26 _x86_64_ (4 CPU) 18:48:32 LINUX RESTART (4 CPU) 18:49:01 CPU %user %nice %system %iowait %steal %idle 18:50:01 all 17.07 0.00 1.40 4.61 0.01 76.91 18:50:01 0 6.26 0.00 0.75 0.58 0.00 92.40 18:50:01 1 10.13 0.00 0.74 6.35 0.02 82.77 18:50:01 2 47.67 0.00 2.94 2.30 0.02 47.07 18:50:01 3 4.17 0.00 1.17 9.23 0.00 85.43 18:51:01 all 17.22 0.00 1.92 1.72 0.01 79.13 18:51:01 0 14.79 0.00 2.82 0.08 0.02 82.29 18:51:01 1 16.80 0.00 1.44 4.62 0.00 77.14 18:51:01 2 19.15 0.00 1.42 0.00 0.02 79.41 18:51:01 3 18.16 0.00 2.04 2.12 0.02 77.66 18:52:01 all 70.05 0.00 2.58 0.25 0.03 27.09 18:52:01 0 58.78 0.00 3.43 0.54 0.03 37.22 18:52:01 1 74.95 0.00 2.20 0.05 0.02 22.79 18:52:01 2 69.51 0.00 1.74 0.25 0.03 28.47 18:52:01 3 76.99 0.00 2.92 0.15 0.05 19.89 18:53:01 all 72.25 0.00 2.40 0.04 0.02 25.29 18:53:01 0 68.53 0.00 3.02 0.12 0.02 28.31 18:53:01 1 75.03 0.00 2.14 0.03 0.02 22.78 18:53:01 2 77.84 0.00 2.39 0.03 0.02 19.72 18:53:01 3 67.55 0.00 2.04 0.02 0.02 30.37 Average: all 44.13 0.00 2.07 1.66 0.02 52.12 Average: 0 37.06 0.00 2.50 0.33 0.02 60.09 Average: 1 44.20 0.00 1.63 2.77 0.01 51.40 Average: 2 53.55 0.00 2.12 0.65 0.02 43.66 Average: 3 41.71 0.00 2.04 2.88 0.02 53.34