---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2085 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 7.8G 12G 41% / 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 468 5132 0 2374 7223 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:20:c1:23 brd ff:ff:ff:ff:ff:ff inet 10.32.6.253/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86075sec preferred_lft 86075sec inet6 fe80::f816:3eff:fe20:c123/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2085) 05/02/26 _x86_64_ (4 CPU) 05:15:00 LINUX RESTART (4 CPU) 05:16:02 tps rtps wtps bread/s bwrtn/s 05:17:01 81.95 26.35 55.60 1531.54 9005.80 05:18:01 40.88 11.36 29.51 812.53 8117.45 05:19:01 12.78 3.62 9.17 133.71 3521.95 05:20:01 28.79 1.27 27.52 98.88 7815.16 Average: 40.93 10.58 30.34 640.41 7107.24 05:16:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:17:01 5667288 7360776 2500132 30.61 56576 1801284 831508 9.02 673600 1630092 120916 05:18:01 4835584 6761420 3331836 40.79 62356 2020924 1315492 14.27 1298184 1820464 94532 05:19:01 4553384 6678648 3614036 44.25 65908 2211164 1143904 12.41 1443256 1946316 186224 05:20:01 5290332 7429356 2877088 35.23 68792 2222220 650676 7.06 714996 1940464 11820 Average: 5086647 7057550 3080773 37.72 63408 2063898 985395 10.69 1032509 1834334 103373 05:16:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:17:01 lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 05:17:01 ens3 73.55 56.48 739.66 12.68 0.00 0.00 0.00 0.00 05:18:01 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 05:18:01 ens3 214.66 198.73 3113.08 26.42 0.00 0.00 0.00 0.00 05:19:01 lo 121.01 121.01 36.45 36.45 0.00 0.00 0.00 0.00 05:19:01 ens3 110.16 104.03 1240.62 14.40 0.00 0.00 0.00 0.00 05:20:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 05:20:01 ens3 26.44 19.54 20.06 9.73 0.00 0.00 0.00 0.00 Average: lo 31.06 31.06 9.21 9.21 0.00 0.00 0.00 0.00 Average: ens3 106.33 94.85 1280.50 15.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2085) 05/02/26 _x86_64_ (4 CPU) 05:15:00 LINUX RESTART (4 CPU) 05:16:02 CPU %user %nice %system %iowait %steal %idle 05:17:01 all 21.79 0.00 1.46 2.68 1.93 72.14 05:17:01 0 16.83 0.00 1.16 2.90 1.49 77.61 05:17:01 1 31.04 0.00 1.62 1.70 2.21 63.44 05:17:01 2 24.82 0.00 2.11 2.42 2.57 68.08 05:17:01 3 14.43 0.00 0.96 3.68 1.48 79.45 05:18:01 all 26.63 0.00 1.30 0.90 3.53 67.64 05:18:01 0 27.35 0.00 1.13 0.25 3.02 68.26 05:18:01 1 20.07 0.00 1.06 2.38 3.13 73.36 05:18:01 2 28.24 0.00 1.68 0.91 4.14 65.03 05:18:01 3 30.83 0.00 1.35 0.05 3.85 63.91 05:19:01 all 40.02 0.00 1.44 0.29 5.36 52.90 05:19:01 0 48.20 0.00 1.12 0.58 5.50 44.60 05:19:01 1 34.03 0.00 1.61 0.36 5.19 58.81 05:19:01 2 35.33 0.00 1.38 0.07 5.34 57.88 05:19:01 3 42.54 0.00 1.64 0.17 5.37 50.29 05:20:01 all 20.68 0.00 1.11 0.91 1.48 75.81 05:20:01 0 2.11 0.00 0.66 2.94 0.65 93.63 05:20:01 1 19.47 0.00 1.62 0.03 1.90 76.98 05:20:01 2 10.45 0.00 0.70 0.13 0.95 87.76 05:20:01 3 50.71 0.00 1.43 0.53 2.43 44.90 Average: all 27.32 0.00 1.33 1.19 3.08 67.08 Average: 0 23.69 0.00 1.02 1.66 2.67 70.96 Average: 1 26.14 0.00 1.48 1.12 3.11 68.16 Average: 2 24.75 0.00 1.47 0.88 3.26 69.65 Average: 3 34.71 0.00 1.35 1.09 3.29 59.56