---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4790 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: 2799.934 BogoMIPS: 5599.86 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 9.0G 69G 12% / 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 619 12620 0 2799 15094 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:93:21:d9 brd ff:ff:ff:ff:ff:ff inet 10.30.107.176/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:fe93:21d9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-4790) 04/09/26 _x86_64_ (4 CPU) 03:04:48 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:02 449.76 53.69 396.07 3594.33 12663.22 03:07:01 120.22 15.73 104.49 418.37 13708.46 03:08:01 21.05 3.18 17.86 344.88 4645.76 03:09:01 39.63 8.08 31.54 204.77 4704.15 Average: 157.82 20.19 137.63 1143.61 8910.41 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:02 13803048 15457600 2621920 15.96 67792 1782940 861084 4.93 765048 1631852 231424 03:07:01 13278596 15096020 3146372 19.16 83204 1921064 1269160 7.26 1153068 1748656 12088 03:08:01 12338124 14289148 4086844 24.88 85264 2049288 2094352 11.99 1979208 1854012 7832 03:09:01 12955596 15485248 3469372 21.12 90276 2613832 837684 4.79 1003488 2198348 479456 Average: 13093841 15082004 3331127 20.28 81634 2091781 1265570 7.24 1225203 1858217 182700 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:02 lo 1.67 1.67 0.19 0.19 0.00 0.00 0.00 0.00 03:06:02 ens3 431.43 265.39 1967.66 76.73 0.00 0.00 0.00 0.00 03:07:01 lo 0.75 0.75 0.07 0.07 0.00 0.00 0.00 0.00 03:07:01 ens3 275.70 247.11 1475.04 66.91 0.00 0.00 0.00 0.00 03:08:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 03:08:01 ens3 2474.80 1454.34 2301.38 546.18 0.00 0.00 0.00 0.00 03:09:01 lo 3.08 3.08 0.28 0.28 0.00 0.00 0.00 0.00 03:09:01 ens3 537.08 377.27 802.19 1836.72 0.00 0.00 0.00 0.00 Average: lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 932.49 587.45 1637.24 634.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-4790) 04/09/26 _x86_64_ (4 CPU) 03:04:48 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:02 all 22.88 0.00 2.09 2.38 0.06 72.60 03:06:02 0 5.52 0.00 2.39 7.55 0.05 84.48 03:06:02 1 18.70 0.00 1.02 0.49 0.05 79.74 03:06:02 2 35.26 0.00 2.44 0.67 0.08 61.55 03:06:02 3 32.00 0.00 2.49 0.82 0.07 64.62 03:07:01 all 20.02 0.00 1.62 0.45 0.08 77.83 03:07:01 0 19.69 0.00 1.33 0.36 0.07 78.55 03:07:01 1 17.90 0.00 2.01 0.34 0.09 79.66 03:07:01 2 22.83 0.00 1.07 0.20 0.07 75.83 03:07:01 3 19.64 0.00 2.09 0.92 0.07 77.29 03:08:01 all 38.86 0.00 5.45 0.04 0.08 55.57 03:08:01 0 27.38 0.00 2.85 0.10 0.08 69.59 03:08:01 1 25.12 0.00 1.60 0.00 0.07 73.21 03:08:01 2 55.53 0.00 9.02 0.03 0.08 35.34 03:08:01 3 47.26 0.00 8.28 0.02 0.08 44.36 03:09:01 all 41.60 0.00 2.25 0.15 0.08 55.93 03:09:01 0 35.57 0.00 2.16 0.52 0.08 61.67 03:09:01 1 49.94 0.00 2.27 0.05 0.08 47.66 03:09:01 2 42.56 0.00 2.76 0.02 0.07 54.59 03:09:01 3 38.29 0.00 1.82 0.02 0.08 59.79 Average: all 30.89 0.00 2.86 0.76 0.07 65.43 Average: 0 22.06 0.00 2.18 2.14 0.07 73.55 Average: 1 27.99 0.00 1.72 0.22 0.07 70.00 Average: 2 39.12 0.00 3.84 0.23 0.08 56.74 Average: 3 34.36 0.00 3.68 0.44 0.08 61.45