---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-3559 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: 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 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 610 12634 0 2794 15103 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:bd:43:02 brd ff:ff:ff:ff:ff:ff inet 10.30.106.56/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86104sec preferred_lft 86104sec inet6 fe80::f816:3eff:febd:4302/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-3559) 04/04/26 _x86_64_ (4 CPU) 03:04:47 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:01 302.18 26.10 276.09 944.91 64260.62 03:07:01 142.59 15.46 127.13 410.60 14962.04 03:08:01 26.55 3.15 23.40 343.81 4809.07 03:09:01 38.86 8.00 30.86 201.70 4498.98 Average: 127.55 13.18 114.37 475.25 22132.68 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 14039696 15565032 2385272 14.52 60048 1668608 806356 4.61 647752 1527744 144052 03:07:01 13344304 15148448 3080664 18.76 81004 1911192 1229392 7.04 1099156 1740080 12992 03:08:01 12213720 14159460 4211248 25.64 85112 2043964 2225580 12.74 2109252 1849364 7808 03:09:01 12936136 15460660 3488832 21.24 89968 2608396 861192 4.93 1021636 2196768 477964 Average: 13133464 15083400 3291504 20.04 79033 2058040 1280630 7.33 1219449 1828489 160704 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 ens3 261.87 173.60 1443.15 58.98 0.00 0.00 0.00 0.00 03:06:01 lo 1.20 1.20 0.14 0.14 0.00 0.00 0.00 0.00 03:07:01 ens3 312.55 258.42 1666.41 69.58 0.00 0.00 0.00 0.00 03:07:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 03:08:01 ens3 748.63 521.91 1916.38 237.43 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 560.57 403.45 814.43 1792.07 0.00 0.00 0.00 0.00 03:09:01 lo 2.95 2.95 0.26 0.26 0.00 0.00 0.00 0.00 Average: ens3 470.90 339.35 1460.09 539.52 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.13 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-3559) 04/04/26 _x86_64_ (4 CPU) 03:04:47 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 16.62 0.00 1.52 11.07 0.08 70.71 03:06:01 0 22.97 0.00 1.85 6.31 0.08 68.79 03:06:01 1 6.99 0.00 0.89 8.88 0.03 83.21 03:06:01 2 22.60 0.00 1.50 0.68 0.08 75.13 03:06:01 3 13.87 0.00 1.84 28.46 0.10 55.73 03:07:01 all 23.48 0.00 1.76 1.24 0.07 73.44 03:07:01 0 22.71 0.00 1.84 0.53 0.07 74.85 03:07:01 1 34.51 0.00 2.43 2.06 0.08 60.91 03:07:01 2 19.93 0.00 1.70 0.30 0.05 78.02 03:07:01 3 16.83 0.00 1.10 2.09 0.07 79.91 03:08:01 all 36.91 0.00 5.11 0.08 0.07 57.83 03:08:01 0 42.26 0.00 3.62 0.00 0.07 54.05 03:08:01 1 43.30 0.00 9.13 0.23 0.07 47.26 03:08:01 2 34.41 0.00 5.71 0.02 0.07 59.80 03:08:01 3 27.61 0.00 1.93 0.07 0.08 70.31 03:09:01 all 39.74 0.00 2.00 0.33 0.07 57.86 03:09:01 0 32.71 0.00 2.14 0.02 0.08 65.05 03:09:01 1 41.97 0.00 2.23 0.93 0.08 54.78 03:09:01 2 46.14 0.00 2.01 0.15 0.08 51.62 03:09:01 3 38.22 0.00 1.57 0.22 0.05 59.95 Average: all 29.19 0.00 2.60 3.18 0.07 64.96 Average: 0 30.17 0.00 2.36 1.72 0.07 65.68 Average: 1 31.71 0.00 3.67 3.02 0.07 61.53 Average: 2 30.76 0.00 2.73 0.29 0.07 66.15 Average: 3 24.14 0.00 1.61 7.70 0.08 66.47