---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-9996 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 7.9G 12G 41% / 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 439 5038 0 2498 7249 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:b2:f0:1c brd ff:ff:ff:ff:ff:ff inet 10.32.7.114/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86041sec preferred_lft 86041sec inet6 fe80::f816:3eff:feb2:f01c/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-9996) 09/05/26 _x86_64_ (4 CPU) 05:14:54 LINUX RESTART (4 CPU) 05:15:01 tps rtps wtps bread/s bwrtn/s 05:16:01 140.38 54.87 85.51 3590.34 40617.84 05:17:01 54.87 0.32 54.55 33.99 9780.34 05:18:02 68.26 30.39 37.86 1661.19 10922.45 05:19:01 19.51 10.22 9.29 786.71 3662.16 05:20:01 26.96 1.43 25.53 92.38 7214.13 Average: 62.14 19.48 42.66 1234.53 14477.01 05:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:01 6015332 7436360 2152080 26.35 36748 1564788 681380 7.39 561228 1427964 82056 05:17:01 5801360 7520188 2366052 28.97 56876 1824036 596980 6.48 477456 1686672 152040 05:18:02 5280472 7296132 2886940 35.35 62984 2107652 789912 8.57 744288 1927524 87420 05:19:01 4220724 6274732 3946688 48.32 64412 2142812 1743552 18.92 1798548 1922900 616 05:20:01 5144892 7407680 3022520 37.01 69564 2341816 687412 7.46 733340 2060500 27224 Average: 5292556 7187018 2874856 35.20 58117 1996221 899847 9.76 862972 1805112 69871 05:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:01 ens3 376.89 199.53 1448.32 62.06 0.00 0.00 0.00 0.00 05:16:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 05:17:01 ens3 32.82 30.66 530.66 4.37 0.00 0.00 0.00 0.00 05:17:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 05:18:02 ens3 175.72 162.64 3280.46 29.08 0.00 0.00 0.00 0.00 05:18:02 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 05:19:01 ens3 16.07 16.03 158.58 3.83 0.00 0.00 0.00 0.00 05:19:01 lo 88.14 88.14 32.72 32.72 0.00 0.00 0.00 0.00 05:20:01 ens3 94.73 85.79 1248.35 19.44 0.00 0.00 0.00 0.00 05:20:01 lo 35.33 35.33 4.37 4.37 0.00 0.00 0.00 0.00 Average: ens3 139.67 99.21 1337.18 23.83 0.00 0.00 0.00 0.00 Average: lo 24.99 24.99 7.38 7.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9996) 09/05/26 _x86_64_ (4 CPU) 05:14:54 LINUX RESTART (4 CPU) 05:15:01 CPU %user %nice %system %iowait %steal %idle 05:16:01 all 20.32 0.00 2.20 5.23 2.42 69.84 05:16:01 0 14.30 0.00 1.28 1.84 2.14 80.43 05:16:01 1 15.61 0.00 1.69 7.49 2.43 72.77 05:16:01 2 27.38 0.00 1.93 3.23 2.66 64.80 05:16:01 3 23.98 0.00 3.90 8.38 2.45 61.28 05:17:01 all 19.83 0.00 1.32 1.81 1.16 75.88 05:17:01 0 21.02 0.00 1.36 0.25 1.39 75.98 05:17:01 1 10.19 0.00 0.48 0.08 0.57 88.68 05:17:01 2 46.55 0.00 2.76 1.20 2.28 47.22 05:17:01 3 1.50 0.00 0.67 5.70 0.38 91.76 05:18:02 all 16.19 0.00 1.37 1.81 2.89 77.74 05:18:02 0 19.80 0.00 1.73 0.58 3.66 74.23 05:18:02 1 11.60 0.00 0.78 1.14 1.47 85.01 05:18:02 2 18.19 0.00 1.54 3.19 3.54 73.54 05:18:02 3 15.18 0.00 1.41 2.30 2.91 78.21 05:19:01 all 45.29 0.00 1.63 0.54 6.48 46.06 05:19:01 0 48.28 0.00 1.63 0.50 6.82 42.77 05:19:01 1 40.61 0.00 1.85 0.67 6.42 50.46 05:19:01 2 47.59 0.00 1.45 0.47 6.47 44.02 05:19:01 3 44.66 0.00 1.59 0.55 6.22 46.97 05:20:01 all 25.64 0.00 1.36 1.16 2.45 69.38 05:20:01 0 30.41 0.00 1.14 1.42 2.86 64.16 05:20:01 1 15.18 0.00 0.98 0.05 1.89 81.90 05:20:01 2 35.59 0.00 1.99 0.35 3.20 58.88 05:20:01 3 21.34 0.00 1.35 2.82 1.84 72.65 Average: all 25.43 0.00 1.58 2.11 3.08 67.81 Average: 0 26.74 0.00 1.43 0.92 3.37 67.54 Average: 1 18.62 0.00 1.16 1.89 2.55 75.78 Average: 2 35.04 0.00 1.93 1.69 3.63 57.72 Average: 3 21.30 0.00 1.78 3.95 2.76 70.21