---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10493 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 460 5204 0 2311 7233 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:53:3c:89 brd ff:ff:ff:ff:ff:ff inet 10.32.6.116/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:fe53:3c89/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10493) 04/04/26 _x86_64_ (4 CPU) 08:12:55 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:02 155.23 70.74 84.49 4456.11 40688.72 08:15:01 80.89 30.21 50.68 1684.99 8172.96 08:16:01 77.35 9.28 68.07 643.36 12823.73 08:17:01 33.51 1.35 32.16 101.58 4336.88 Average: 86.77 27.89 58.88 1721.78 16541.09 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:02 5987280 7408328 2180132 26.69 36632 1564528 712708 7.73 587396 1428624 84384 08:15:01 5643380 7339716 2524032 30.90 56704 1804144 838208 9.10 696896 1630948 129764 08:16:01 5074280 7070504 3093132 37.87 63924 2088580 1000700 10.86 1018620 1860080 34788 08:17:01 5360248 7434228 2807164 34.37 67640 2160924 657752 7.14 681272 1909100 24280 Average: 5516297 7313194 2651115 32.46 56225 1904544 802342 8.71 746046 1707188 68304 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:02 ens3 379.61 210.68 1466.56 63.99 0.00 0.00 0.00 0.00 08:14:02 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 08:15:01 ens3 58.86 44.65 468.36 11.92 0.00 0.00 0.00 0.00 08:15:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 08:16:01 ens3 417.11 420.30 3834.14 69.63 0.00 0.00 0.00 0.00 08:16:01 lo 1.48 1.48 0.19 0.19 0.00 0.00 0.00 0.00 08:17:01 ens3 108.63 117.95 575.25 25.14 0.00 0.00 0.00 0.00 08:17:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 241.81 199.03 1590.70 42.80 0.00 0.00 0.00 0.00 Average: lo 1.19 1.19 0.13 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10493) 04/04/26 _x86_64_ (4 CPU) 08:12:55 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:02 all 20.42 0.00 2.73 5.78 4.45 66.62 08:14:02 0 9.26 0.00 4.22 2.29 4.04 80.18 08:14:02 1 30.77 0.00 2.39 6.31 5.04 55.50 08:14:02 2 21.35 0.00 2.08 6.64 4.69 65.24 08:14:02 3 20.31 0.00 2.20 7.88 4.03 65.59 08:15:01 all 22.07 0.00 1.49 2.66 2.74 71.03 08:15:01 0 4.98 0.00 0.42 0.72 1.58 92.29 08:15:01 1 62.37 0.00 3.88 1.08 4.40 28.27 08:15:01 2 5.04 0.00 0.62 5.89 2.23 86.21 08:15:01 3 15.83 0.00 1.10 2.95 2.75 77.37 08:16:01 all 41.79 0.00 2.23 1.15 8.17 46.65 08:16:01 0 38.99 0.00 1.57 0.88 7.46 51.11 08:16:01 1 37.73 0.00 2.12 0.78 8.10 51.26 08:16:01 2 47.92 0.00 2.62 1.38 8.27 39.81 08:16:01 3 42.54 0.00 2.56 1.57 8.86 44.48 08:17:01 all 21.95 0.00 1.22 0.88 2.26 73.69 08:17:01 0 35.65 0.00 1.39 0.23 2.58 60.14 08:17:01 1 29.89 0.00 1.42 0.20 2.79 65.70 08:17:01 2 7.65 0.00 0.96 1.90 1.69 87.80 08:17:01 3 14.60 0.00 1.11 1.18 1.99 81.13 Average: all 26.62 0.00 1.92 2.62 4.43 64.41 Average: 0 22.32 0.00 1.91 1.04 3.94 70.80 Average: 1 40.06 0.00 2.45 2.10 5.09 50.29 Average: 2 20.66 0.00 1.58 3.94 4.24 69.57 Average: 3 23.42 0.00 1.75 3.39 4.43 67.01