---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2822 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: 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.6G 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 5354 0 2150 7227 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:4b:1b:6b brd ff:ff:ff:ff:ff:ff inet 10.32.7.47/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fe4b:1b6b/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-2822) 01/09/26 _x86_64_ (4 CPU) 12:46:56 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:01 157.61 72.71 84.91 4503.97 40788.42 12:49:01 88.94 30.06 58.87 1701.45 9641.33 12:50:01 66.22 8.90 57.32 504.58 10327.08 12:51:01 20.81 0.35 20.46 33.72 1362.35 Average: 83.40 28.01 55.39 1685.98 15530.25 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:01 5951292 7377764 2216128 27.13 37272 1568880 737724 8.00 623368 1426372 88016 12:49:01 5614764 7322804 2552656 31.25 58352 1812880 784824 8.52 698028 1655436 104600 12:50:01 5502972 7414608 2664448 32.62 63576 2006980 664196 7.21 718944 1737132 26732 12:51:01 5524600 7439624 2642820 32.36 65444 2008176 637260 6.91 698632 1735748 10504 Average: 5648407 7388700 2519013 30.84 56161 1849229 706001 7.66 684743 1638672 57463 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:01 ens3 477.41 265.63 1538.66 68.72 0.00 0.00 0.00 0.00 12:48:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 12:49:01 ens3 126.18 87.40 480.59 21.58 0.00 0.00 0.00 0.00 12:49:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 12:50:01 ens3 303.13 300.83 1233.47 648.26 0.00 0.00 0.00 0.00 12:50:01 lo 1.57 1.57 0.14 0.14 0.00 0.00 0.00 0.00 12:51:01 ens3 11.35 12.03 8.82 5.64 0.00 0.00 0.00 0.00 12:51:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 229.52 166.47 815.38 186.04 0.00 0.00 0.00 0.00 Average: lo 1.22 1.22 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2822) 01/09/26 _x86_64_ (4 CPU) 12:46:56 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:01 all 23.03 0.00 2.84 4.68 1.01 68.44 12:48:01 0 16.76 0.00 2.28 6.75 0.84 73.38 12:48:01 1 38.10 0.00 2.58 4.48 1.25 53.59 12:48:01 2 15.86 0.00 2.59 2.77 1.00 77.78 12:48:01 3 21.41 0.00 3.92 4.73 0.95 68.99 12:49:01 all 26.14 0.00 1.50 1.92 1.10 69.34 12:49:01 0 20.81 0.00 1.07 0.50 0.90 76.73 12:49:01 1 63.74 0.00 3.41 1.68 1.93 29.24 12:49:01 2 12.03 0.00 0.53 1.80 0.88 84.75 12:49:01 3 7.88 0.00 0.97 3.69 0.68 86.78 12:50:01 all 35.29 0.00 1.72 1.03 1.69 60.28 12:50:01 0 51.70 0.00 2.01 0.52 2.14 43.63 12:50:01 1 34.72 0.00 1.24 1.25 1.50 61.29 12:50:01 2 28.26 0.00 1.56 1.71 1.61 66.85 12:50:01 3 26.42 0.00 2.08 0.63 1.50 69.37 12:51:01 all 21.63 0.00 1.00 0.53 0.55 76.29 12:51:01 0 34.77 0.00 1.38 0.05 0.77 63.03 12:51:01 1 6.78 0.00 0.57 2.00 0.32 90.33 12:51:01 2 44.23 0.00 1.55 0.07 0.95 53.20 12:51:01 3 0.70 0.00 0.49 0.00 0.15 98.66 Average: all 26.53 0.00 1.76 2.04 1.09 68.58 Average: 0 31.04 0.00 1.68 1.95 1.16 64.17 Average: 1 35.85 0.00 1.95 2.35 1.25 58.60 Average: 2 25.10 0.00 1.56 1.59 1.11 70.64 Average: 3 14.12 0.00 1.87 2.26 0.82 80.93