---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7856 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: 2800.000 BogoMIPS: 5600.00 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 7.9G 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 5004 0 2503 7220 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:87:ba:e0 brd ff:ff:ff:ff:ff:ff inet 10.32.7.108/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86045sec preferred_lft 86045sec inet6 fe80::f816:3eff:fe87:bae0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7856) 08/08/26 _x86_64_ (4 CPU) 16:36:58 LINUX RESTART (4 CPU) 16:37:01 tps rtps wtps bread/s bwrtn/s 16:38:02 167.79 85.15 82.64 4945.84 40043.48 16:39:01 54.44 0.19 54.25 22.37 9525.42 16:40:01 73.68 30.51 43.17 1673.58 12534.76 16:41:01 19.63 10.06 9.57 775.47 3629.53 16:42:01 26.17 1.45 24.73 92.50 7223.33 Average: 68.39 25.56 42.83 1506.91 14608.10 16:37:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:38:02 6047144 7434596 2120276 25.96 36168 1532036 678936 7.37 562872 1396120 70512 16:39:01 5689532 7384640 2477888 30.34 55100 1804572 730412 7.93 627144 1655960 171012 16:40:01 5250772 7273196 2916648 35.71 63408 2113544 807040 8.76 767460 1933228 89368 16:41:01 4274452 6334092 3892968 47.66 64572 2147948 1651228 17.92 1740148 1927692 316 16:42:01 5125640 7390784 3041780 37.24 69472 2344416 698244 7.58 750784 2062684 25160 Average: 5277508 7163462 2889912 35.38 57744 1988503 913172 9.91 889682 1795137 71274 16:37:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:38:02 lo 1.57 1.57 0.14 0.14 0.00 0.00 0.00 0.00 16:38:02 ens3 467.34 238.64 1233.86 65.88 0.00 0.00 0.00 0.00 16:39:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 16:39:01 ens3 32.36 26.81 676.74 3.89 0.00 0.00 0.00 0.00 16:40:01 lo 1.53 1.53 0.15 0.15 0.00 0.00 0.00 0.00 16:40:01 ens3 220.33 207.25 3490.63 33.28 0.00 0.00 0.00 0.00 16:41:01 lo 87.22 87.22 32.19 32.19 0.00 0.00 0.00 0.00 16:41:01 ens3 14.50 14.23 150.47 3.03 0.00 0.00 0.00 0.00 16:42:01 lo 35.89 35.89 4.39 4.39 0.00 0.00 0.00 0.00 16:42:01 ens3 85.67 81.29 1252.88 18.03 0.00 0.00 0.00 0.00 Average: lo 25.38 25.38 7.40 7.40 0.00 0.00 0.00 0.00 Average: ens3 164.48 113.94 1363.29 24.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7856) 08/08/26 _x86_64_ (4 CPU) 16:36:58 LINUX RESTART (4 CPU) 16:37:01 CPU %user %nice %system %iowait %steal %idle 16:38:02 all 21.33 0.00 2.73 5.78 1.74 68.42 16:38:02 0 9.54 0.00 1.56 5.67 1.51 81.73 16:38:02 1 24.54 0.00 4.57 3.54 1.96 65.38 16:38:02 2 39.71 0.00 2.57 5.34 2.02 50.37 16:38:02 3 11.61 0.00 2.23 8.59 1.47 76.10 16:39:01 all 20.23 0.00 1.23 1.65 1.36 75.53 16:39:01 0 0.49 0.00 0.12 0.86 0.32 98.21 16:39:01 1 41.24 0.00 2.66 0.34 1.51 54.26 16:39:01 2 28.35 0.00 1.08 3.57 1.96 65.04 16:39:01 3 10.92 0.00 1.06 1.78 1.64 84.60 16:40:01 all 19.04 0.00 1.41 1.94 1.72 75.88 16:40:01 0 13.89 0.00 0.82 1.30 1.45 82.54 16:40:01 1 24.05 0.00 1.58 0.95 1.73 71.69 16:40:01 2 24.82 0.00 1.20 1.65 1.73 70.60 16:40:01 3 13.37 0.00 2.04 3.90 1.99 78.70 16:41:01 all 51.76 0.00 1.46 0.50 4.19 42.10 16:41:01 0 51.91 0.00 1.41 0.71 4.05 41.91 16:41:01 1 50.91 0.00 1.56 0.27 3.95 43.31 16:41:01 2 55.01 0.00 1.21 0.32 4.22 39.24 16:41:01 3 49.21 0.00 1.66 0.70 4.54 43.91 16:42:01 all 26.47 0.00 1.50 0.82 1.69 69.51 16:42:01 0 25.71 0.00 1.26 0.12 1.79 71.12 16:42:01 1 24.12 0.00 0.93 0.10 1.22 73.63 16:42:01 2 38.30 0.00 2.27 2.49 2.15 54.79 16:42:01 3 17.76 0.00 1.55 0.60 1.58 78.50 Average: all 27.80 0.00 1.67 2.14 2.14 66.25 Average: 0 20.38 0.00 1.04 1.74 1.83 75.01 Average: 1 32.95 0.00 2.26 1.04 2.08 61.67 Average: 2 37.26 0.00 1.67 2.67 2.42 55.99 Average: 3 20.62 0.00 1.71 3.11 2.25 72.31