---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1947 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 672K 1.6G 1% /run /dev/vda1 78G 9.7G 68G 13% / 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 553 11761 0 3724 15156 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:61:ab:19 brd ff:ff:ff:ff:ff:ff inet 10.30.106.255/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86056sec preferred_lft 86056sec inet6 fe80::f816:3eff:fe61:ab19/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1947) 11/09/26 _x86_64_ (4 CPU) 08:48:09 LINUX RESTART (4 CPU) 08:49:01 tps rtps wtps bread/s bwrtn/s 08:50:01 213.96 40.88 173.09 2473.05 55347.31 08:51:01 63.57 5.30 58.27 187.04 6086.45 08:52:01 55.69 2.23 53.46 59.06 7285.72 08:53:01 125.25 3.17 122.08 95.32 16498.45 Average: 114.62 12.89 101.72 703.62 21304.48 08:49:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:01 12542272 14607104 3882696 23.64 77236 2171344 1645228 9.42 1674652 1957804 27120 08:51:01 9389256 11614592 7035712 42.84 80852 2318616 4610840 26.39 4685072 2075752 1260 08:52:01 8917900 11738328 7507068 45.71 90152 2846440 4370304 25.01 4785672 2380988 344596 08:53:01 9615356 12586316 6809612 41.46 93888 2984696 3517364 20.13 4021864 2440228 6976 Average: 10116196 12636585 6308772 38.41 85532 2580274 3535934 20.24 3791815 2213693 94988 08:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:01 ens3 338.91 270.25 2926.61 59.06 0.00 0.00 0.00 0.00 08:50:01 lo 0.73 0.73 0.09 0.09 0.00 0.00 0.00 0.00 08:51:01 ens3 39.13 33.73 137.12 17.07 0.00 0.00 0.00 0.00 08:51:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 08:52:01 ens3 156.47 130.66 1042.78 694.53 0.00 0.00 0.00 0.00 08:52:01 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 08:53:01 ens3 203.55 170.95 800.18 118.75 0.00 0.00 0.00 0.00 08:53:01 lo 2.82 2.82 13.94 13.94 0.00 0.00 0.00 0.00 Average: ens3 184.52 151.40 1226.67 222.35 0.00 0.00 0.00 0.00 Average: lo 0.95 0.95 3.51 3.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1947) 11/09/26 _x86_64_ (4 CPU) 08:48:09 LINUX RESTART (4 CPU) 08:49:01 CPU %user %nice %system %iowait %steal %idle 08:50:01 all 41.00 0.00 2.03 2.71 0.02 54.24 08:50:01 0 44.72 0.00 1.87 1.05 0.02 52.34 08:50:01 1 24.97 0.00 1.94 3.30 0.00 69.79 08:50:01 2 35.71 0.00 1.20 2.27 0.02 60.81 08:50:01 3 58.58 0.00 3.10 4.24 0.05 34.03 08:51:01 all 55.32 0.00 1.20 0.27 0.03 43.18 08:51:01 0 73.56 0.00 1.87 0.00 0.07 24.50 08:51:01 1 36.96 0.00 0.48 0.12 0.02 62.42 08:51:01 2 52.05 0.00 0.95 0.78 0.03 46.19 08:51:01 3 58.76 0.00 1.50 0.20 0.03 39.50 08:52:01 all 55.36 0.00 2.00 0.24 0.03 42.37 08:52:01 0 68.98 0.00 1.69 0.02 0.05 29.26 08:52:01 1 56.77 0.00 3.27 0.13 0.02 39.80 08:52:01 2 46.00 0.00 1.49 0.67 0.03 51.81 08:52:01 3 49.66 0.00 1.55 0.13 0.02 48.64 08:53:01 all 61.04 0.00 1.77 0.98 0.03 36.18 08:53:01 0 60.08 0.00 1.58 1.25 0.02 37.08 08:53:01 1 47.01 0.00 1.43 1.07 0.02 50.48 08:53:01 2 58.05 0.00 1.52 1.23 0.03 39.17 08:53:01 3 79.07 0.00 2.57 0.38 0.02 17.96 Average: all 53.18 0.00 1.75 1.05 0.03 43.99 Average: 0 61.83 0.00 1.75 0.58 0.04 35.80 Average: 1 41.44 0.00 1.78 1.15 0.01 55.62 Average: 2 47.94 0.00 1.29 1.24 0.03 49.50 Average: 3 61.51 0.00 2.18 1.24 0.03 35.03