---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1888 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 470 5222 0 2282 7222 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:9d:d1:b5 brd ff:ff:ff:ff:ff:ff inet 10.32.7.89/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:fe9d:d1b5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1888) 05/27/26 _x86_64_ (4 CPU) 07:04:43 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 93.07 24.81 68.26 797.47 5591.47 07:07:01 81.24 31.28 49.96 1724.05 8757.97 07:08:01 58.51 10.71 47.79 634.83 13280.32 07:09:01 21.93 0.35 21.58 33.73 1567.74 Average: 63.61 16.73 46.88 793.64 7293.27 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5930668 7460720 2236752 27.39 48924 1653636 649584 7.05 543160 1514792 142104 07:07:01 5528024 7334816 2639396 32.32 62092 1903620 787076 8.54 715484 1718480 164756 07:08:01 5351028 7395288 2816392 34.48 67416 2131068 687784 7.46 758064 1843916 28576 07:09:01 5318144 7366148 2849276 34.89 69312 2132344 722780 7.84 790724 1842764 10892 Average: 5531966 7389243 2635454 32.27 61936 1955167 711806 7.72 701858 1729988 86582 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 07:06:02 ens3 139.74 99.88 1000.55 28.43 0.00 0.00 0.00 0.00 07:07:01 lo 1.42 1.42 0.13 0.13 0.00 0.00 0.00 0.00 07:07:01 ens3 125.50 112.18 959.38 23.32 0.00 0.00 0.00 0.00 07:08:01 lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 07:08:01 ens3 177.57 174.17 1440.23 676.65 0.00 0.00 0.00 0.00 07:09:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 07:09:01 ens3 12.31 12.88 9.43 6.16 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 113.73 99.73 851.95 184.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1888) 05/27/26 _x86_64_ (4 CPU) 07:04:43 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 20.92 0.00 1.38 2.82 1.02 73.86 07:06:02 0 10.25 0.00 0.72 0.57 0.68 87.78 07:06:02 1 40.02 0.00 2.30 6.82 1.41 49.45 07:06:02 2 10.02 0.00 0.73 0.98 0.67 87.60 07:06:02 3 23.39 0.00 1.76 2.90 1.33 70.62 07:07:01 all 28.73 0.00 1.55 1.82 2.05 65.85 07:07:01 0 43.68 0.00 2.13 1.62 2.28 50.29 07:07:01 1 26.20 0.00 1.24 0.36 1.73 70.48 07:07:01 2 25.85 0.00 1.53 2.56 2.21 67.85 07:07:01 3 19.20 0.00 1.26 2.73 1.99 74.82 07:08:01 all 31.33 0.00 1.56 1.27 2.13 63.71 07:08:01 0 19.51 0.00 1.65 1.55 2.01 75.28 07:08:01 1 40.34 0.00 1.74 0.61 2.29 55.01 07:08:01 2 45.84 0.00 1.45 0.10 2.14 50.47 07:08:01 3 19.61 0.00 1.43 2.86 2.06 74.05 07:09:01 all 21.00 0.00 0.88 0.74 0.89 76.48 07:09:01 0 22.60 0.00 0.72 0.10 0.80 75.78 07:09:01 1 17.58 0.00 1.05 0.07 0.93 80.38 07:09:01 2 40.82 0.00 1.26 0.15 1.36 56.40 07:09:01 3 3.11 0.00 0.53 2.64 0.50 93.22 Average: all 25.48 0.00 1.34 1.66 1.52 69.99 Average: 0 23.94 0.00 1.30 0.96 1.44 72.37 Average: 1 31.06 0.00 1.58 1.97 1.59 63.80 Average: 2 30.65 0.00 1.24 0.94 1.59 65.57 Average: 3 16.29 0.00 1.25 2.78 1.47 78.21