---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5027 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 9.6G 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 549 11894 0 3596 15159 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:10:70:2f brd ff:ff:ff:ff:ff:ff inet 10.30.107.126/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86056sec preferred_lft 86056sec inet6 fe80::f816:3eff:fe10:702f/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-5027) 11/02/26 _x86_64_ (4 CPU) 11:36:22 LINUX RESTART (4 CPU) 11:37:02 tps rtps wtps bread/s bwrtn/s 11:38:01 108.84 4.81 104.03 100.29 44844.86 11:39:01 172.61 41.82 130.79 2472.11 34127.42 11:40:01 82.50 3.20 79.30 128.51 9328.18 11:41:01 138.26 5.97 132.29 172.77 17673.72 11:42:01 26.05 1.05 25.00 79.99 14496.92 Average: 105.64 11.39 94.25 592.40 24026.56 11:37:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:38:01 13719112 15521656 2705856 16.47 69428 1924784 830104 4.75 704456 1767676 305100 11:39:01 11320052 13444836 5104916 31.08 78976 2226100 2852376 16.32 2858776 1984020 47828 11:40:01 9190324 11954716 7234644 44.05 89652 2793556 4295464 24.58 4516000 2380020 365004 11:41:01 8998280 11920680 7426688 45.22 93000 2939664 4297460 24.59 4638760 2441508 4040 11:42:01 12143104 15486528 4281864 26.07 95468 3346284 857372 4.91 1303144 2628464 10732 Average: 11074174 13665683 5350794 32.58 85305 2646078 2626555 15.03 2804227 2240338 146541 11:37:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:38:01 lo 0.95 0.95 0.12 0.12 0.00 0.00 0.00 0.00 11:38:01 ens3 88.33 58.06 1405.45 11.09 0.00 0.00 0.00 0.00 11:39:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 11:39:01 ens3 313.60 243.00 2752.44 46.22 0.00 0.00 0.00 0.00 11:40:01 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 11:40:01 ens3 93.47 63.14 508.03 24.68 0.00 0.00 0.00 0.00 11:41:01 lo 1.53 1.53 13.54 13.54 0.00 0.00 0.00 0.00 11:41:01 ens3 195.23 123.71 544.99 46.91 0.00 0.00 0.00 0.00 11:42:01 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 11:42:01 ens3 88.24 59.91 314.37 20.78 0.00 0.00 0.00 0.00 Average: lo 0.67 0.67 2.76 2.76 0.00 0.00 0.00 0.00 Average: ens3 156.00 109.74 1104.13 30.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-5027) 11/02/26 _x86_64_ (4 CPU) 11:36:22 LINUX RESTART (4 CPU) 11:37:02 CPU %user %nice %system %iowait %steal %idle 11:38:01 all 17.62 0.00 1.19 6.83 0.02 74.35 11:38:01 0 23.06 0.00 1.22 1.49 0.02 74.21 11:38:01 1 27.03 0.00 1.99 8.00 0.03 62.95 11:38:01 2 8.37 0.00 0.71 17.26 0.00 73.66 11:38:01 3 12.04 0.00 0.86 0.58 0.00 86.52 11:39:01 all 56.06 0.00 2.15 2.17 0.05 39.58 11:39:01 0 53.54 0.00 2.92 2.05 0.03 41.46 11:39:01 1 57.51 0.00 1.84 3.24 0.07 37.34 11:39:01 2 59.34 0.00 1.86 0.85 0.07 37.88 11:39:01 3 53.81 0.00 2.01 2.51 0.05 41.63 11:40:01 all 42.23 0.00 1.79 13.91 0.04 42.03 11:40:01 0 53.02 0.00 2.39 20.94 0.05 23.60 11:40:01 1 28.50 0.00 0.98 0.00 0.02 70.50 11:40:01 2 35.81 0.00 0.95 2.39 0.02 60.83 11:40:01 3 51.60 0.00 2.80 32.34 0.05 13.20 11:41:01 all 65.01 0.00 1.81 1.24 0.04 31.89 11:41:01 0 61.18 0.00 1.76 3.93 0.02 33.12 11:41:01 1 55.19 0.00 1.35 0.25 0.03 43.17 11:41:01 2 75.84 0.00 2.19 0.40 0.07 21.50 11:41:01 3 67.87 0.00 1.96 0.37 0.03 29.78 11:42:01 all 18.22 0.00 1.97 9.66 0.01 70.14 11:42:01 0 30.55 0.00 2.38 16.78 0.02 50.28 11:42:01 1 24.80 0.00 1.49 2.17 0.02 71.53 11:42:01 2 7.10 0.00 1.58 13.97 0.02 77.33 11:42:01 3 10.55 0.00 2.47 5.73 0.02 81.24 Average: all 39.88 0.00 1.79 6.77 0.03 51.54 Average: 0 44.33 0.00 2.13 9.07 0.03 44.44 Average: 1 38.64 0.00 1.53 2.71 0.03 57.09 Average: 2 37.32 0.00 1.46 6.95 0.03 54.23 Average: 3 39.23 0.00 2.02 8.34 0.03 50.38