---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-11128 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 549 12608 0 2882 15161 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:b1:2c:0a brd ff:ff:ff:ff:ff:ff inet 10.30.106.186/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86108sec preferred_lft 86108sec inet6 fe80::f816:3eff:feb1:2c0a/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-11128) 06/12/26 _x86_64_ (4 CPU) 03:04:24 LINUX RESTART (4 CPU) 03:05:02 tps rtps wtps bread/s bwrtn/s 03:06:01 133.33 11.30 122.03 309.64 25482.87 03:07:01 97.83 4.52 93.32 129.05 13568.41 03:08:01 20.50 5.23 15.26 403.27 1849.43 03:09:01 53.07 6.27 46.81 165.44 19327.85 Average: 75.95 6.81 69.13 251.61 15013.52 03:05:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13802756 15616628 2622212 15.96 73176 1930984 735352 4.21 610236 1779880 207540 03:07:01 12847564 14856468 3577404 21.78 85660 2104476 1446012 8.28 1394336 1928776 13488 03:08:01 12597680 14705508 3827288 23.30 88284 2197608 1490588 8.53 1596828 1969264 48152 03:09:01 12933952 15547468 3491016 21.25 93464 2691256 762516 4.36 954764 2264492 26096 Average: 13045488 15181518 3379480 20.58 85146 2231081 1108617 6.34 1139041 1985603 73819 03:05:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 ens3 156.55 116.59 1730.49 31.77 0.00 0.00 0.00 0.00 03:06:01 lo 0.81 0.81 0.09 0.09 0.00 0.00 0.00 0.00 03:07:01 ens3 266.52 246.48 2547.76 60.82 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 422.85 348.46 586.45 253.02 0.00 0.00 0.00 0.00 03:08:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 03:09:01 ens3 243.46 207.32 362.85 1795.65 0.00 0.00 0.00 0.00 03:09:01 lo 3.22 3.22 0.30 0.30 0.00 0.00 0.00 0.00 Average: ens3 272.83 230.18 1305.12 537.42 0.00 0.00 0.00 0.00 Average: lo 1.19 1.19 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-11128) 06/12/26 _x86_64_ (4 CPU) 03:04:24 LINUX RESTART (4 CPU) 03:05:02 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 14.27 0.00 1.31 1.56 0.05 82.81 03:06:01 0 32.68 0.00 2.48 0.66 0.05 64.13 03:06:01 1 7.47 0.00 0.61 0.12 0.05 91.74 03:06:01 2 2.79 0.00 0.70 4.26 0.05 92.20 03:06:01 3 14.07 0.00 1.44 1.19 0.05 83.25 03:07:01 all 32.41 0.00 1.46 0.25 0.09 65.79 03:07:01 0 22.48 0.00 0.91 0.00 0.08 76.52 03:07:01 1 49.92 0.00 1.41 0.18 0.08 48.40 03:07:01 2 31.23 0.00 2.05 0.58 0.10 66.03 03:07:01 3 26.09 0.00 1.49 0.25 0.08 72.09 03:08:01 all 34.02 0.00 5.46 0.07 0.07 60.39 03:08:01 0 28.63 0.00 1.31 0.15 0.07 69.85 03:08:01 1 38.45 0.00 8.01 0.02 0.07 53.46 03:08:01 2 40.49 0.00 9.15 0.02 0.07 50.28 03:08:01 3 28.57 0.00 3.37 0.07 0.08 67.91 03:09:01 all 33.42 0.00 1.94 0.49 0.06 64.09 03:09:01 0 28.57 0.00 2.65 0.82 0.05 67.91 03:09:01 1 36.67 0.00 1.96 0.40 0.07 60.90 03:09:01 2 31.89 0.00 1.57 0.60 0.07 65.87 03:09:01 3 36.57 0.00 1.60 0.13 0.05 61.64 Average: all 28.59 0.00 2.55 0.59 0.07 68.20 Average: 0 28.07 0.00 1.83 0.40 0.06 69.63 Average: 1 33.23 0.00 3.01 0.18 0.07 63.52 Average: 2 26.72 0.00 3.38 1.35 0.07 68.48 Average: 3 26.38 0.00 1.98 0.41 0.07 71.17