---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4453 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 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 590 12581 0 2867 15121 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:68:b4:df brd ff:ff:ff:ff:ff:ff inet 10.30.106.58/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86101sec preferred_lft 86101sec inet6 fe80::f816:3eff:fe68:b4df/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-4453) 08/06/26 _x86_64_ (4 CPU) 03:04:35 LINUX RESTART (4 CPU) 03:05:02 tps rtps wtps bread/s bwrtn/s 03:06:01 124.91 19.52 105.39 739.81 44591.09 03:07:01 132.27 15.16 117.11 380.27 15310.90 03:08:01 21.53 3.18 18.35 344.88 4724.95 03:09:01 31.03 4.48 26.55 172.10 4444.06 Average: 77.24 10.55 66.69 407.88 17153.37 03:05:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13830904 15585620 2594064 15.79 69452 1877456 773316 4.43 630920 1731640 324096 03:07:01 13238204 15123776 3186764 19.40 84252 1985192 1244744 7.12 1124396 1812776 14792 03:08:01 12368276 14388204 4056692 24.70 86480 2113944 2032088 11.63 1879876 1918640 5656 03:09:01 12943232 15541732 3481736 21.20 90440 2679700 798280 4.57 945248 2264412 477496 Average: 13095154 15159833 3329814 20.27 82656 2164073 1212107 6.94 1145110 1931867 205510 03:05:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 ens3 89.44 67.46 1682.39 10.80 0.00 0.00 0.00 0.00 03:06:01 lo 1.36 1.36 0.16 0.16 0.00 0.00 0.00 0.00 03:07:01 ens3 266.16 241.97 1049.14 65.72 0.00 0.00 0.00 0.00 03:07:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:08:01 ens3 688.40 527.86 1866.32 228.28 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 03:09:01 ens3 542.41 418.53 835.52 1864.11 0.00 0.00 0.00 0.00 03:09:01 lo 2.88 2.88 0.26 0.26 0.00 0.00 0.00 0.00 Average: ens3 397.88 314.98 1356.97 544.43 0.00 0.00 0.00 0.00 Average: lo 1.23 1.23 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-4453) 08/06/26 _x86_64_ (4 CPU) 03:04:35 LINUX RESTART (4 CPU) 03:05:02 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 19.01 0.00 1.46 3.40 0.06 76.08 03:06:01 0 13.57 0.00 0.66 0.34 0.07 85.37 03:06:01 1 17.69 0.00 1.07 4.31 0.03 76.90 03:06:01 2 42.54 0.00 3.34 0.81 0.07 53.23 03:06:01 3 2.18 0.00 0.75 8.15 0.03 88.89 03:07:01 all 19.69 0.00 1.60 0.51 0.07 78.13 03:07:01 0 17.09 0.00 0.84 0.05 0.07 81.95 03:07:01 1 22.66 0.00 1.89 0.84 0.08 74.53 03:07:01 2 19.66 0.00 1.35 0.15 0.08 78.75 03:07:01 3 19.32 0.00 2.34 0.99 0.05 77.30 03:08:01 all 33.92 0.00 4.59 0.06 0.07 61.36 03:08:01 0 28.21 0.00 2.13 0.02 0.07 69.58 03:08:01 1 32.44 0.00 3.97 0.07 0.07 63.45 03:08:01 2 40.91 0.00 8.12 0.12 0.07 50.79 03:08:01 3 34.09 0.00 4.11 0.07 0.08 61.65 03:09:01 all 40.32 0.00 2.25 0.10 0.08 57.26 03:09:01 0 35.25 0.00 1.30 0.00 0.07 63.38 03:09:01 1 39.57 0.00 3.11 0.18 0.07 57.07 03:09:01 2 44.19 0.00 2.23 0.02 0.08 53.48 03:09:01 3 42.28 0.00 2.37 0.20 0.07 55.09 Average: all 28.27 0.00 2.48 1.01 0.07 68.17 Average: 0 23.57 0.00 1.23 0.10 0.07 75.03 Average: 1 28.14 0.00 2.52 1.33 0.06 67.94 Average: 2 36.80 0.00 3.76 0.27 0.08 59.09 Average: 3 24.59 0.00 2.40 2.32 0.06 70.63