---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-11900 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 672K 1.6G 1% /run /dev/vda1 78G 8.7G 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 560 12937 0 2542 15161 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:dd:b8:9d brd ff:ff:ff:ff:ff:ff inet 10.30.107.124/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fedd:b89d/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-11900) 03/09/24 _x86_64_ (4 CPU) 03:06:59 LINUX RESTART (4 CPU) 03:07:01 tps rtps wtps bread/s bwrtn/s 03:08:02 157.39 77.74 79.65 5466.69 45633.99 03:09:01 132.37 14.69 117.67 377.97 16734.25 03:10:01 16.70 5.15 11.55 403.00 3941.08 03:11:01 49.35 1.07 48.28 62.91 17248.65 Average: 88.77 24.70 64.07 1582.60 20906.72 03:07:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:08:02 14034208 15589720 2390760 14.56 59196 1699900 755864 4.33 645776 1535512 137924 03:09:01 13167328 14992060 3257640 19.83 79288 1934184 1322272 7.57 1275988 1741372 25576 03:10:01 12339240 14192316 4085728 24.88 80532 1960196 2129880 12.19 2098320 1743108 2312 03:11:01 13208244 15484596 3216724 19.58 85220 2372232 815164 4.67 963360 1999076 21988 Average: 13187255 15064673 3237713 19.71 76059 1991628 1255795 7.19 1245861 1754767 46950 03:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:08:02 ens3 425.95 292.58 1674.25 63.44 0.00 0.00 0.00 0.00 03:08:02 lo 2.13 2.13 0.21 0.21 0.00 0.00 0.00 0.00 03:09:01 ens3 340.13 288.22 2420.36 81.13 0.00 0.00 0.00 0.00 03:09:01 lo 0.75 0.75 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 1070.09 729.85 276.47 319.11 0.00 0.00 0.00 0.00 03:10:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 03:11:01 ens3 368.64 305.06 897.25 1379.87 0.00 0.00 0.00 0.00 03:11:01 lo 2.80 2.80 0.26 0.26 0.00 0.00 0.00 0.00 Average: ens3 552.08 404.41 1312.45 462.51 0.00 0.00 0.00 0.00 Average: lo 1.52 1.52 0.14 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-11900) 03/09/24 _x86_64_ (4 CPU) 03:06:59 LINUX RESTART (4 CPU) 03:07:01 CPU %user %nice %system %iowait %steal %idle 03:08:02 all 19.95 0.00 2.23 6.07 0.06 71.68 03:08:02 0 20.28 0.00 1.89 3.07 0.07 74.70 03:08:02 1 31.56 0.00 2.36 2.21 0.07 63.81 03:08:02 2 14.24 0.00 1.64 8.53 0.05 75.54 03:08:02 3 13.73 0.00 3.00 10.50 0.07 72.70 03:09:01 all 31.46 0.00 1.53 1.92 0.08 65.02 03:09:01 0 25.20 0.00 1.11 1.28 0.12 72.30 03:09:01 1 35.30 0.00 1.36 0.88 0.07 62.39 03:09:01 2 17.69 0.00 1.76 4.85 0.07 75.64 03:09:01 3 47.58 0.00 1.94 0.68 0.07 49.73 03:10:01 all 31.59 0.00 5.47 0.48 0.07 62.38 03:10:01 0 25.20 0.00 6.51 1.15 0.07 67.06 03:10:01 1 17.66 0.00 1.26 0.00 0.07 81.02 03:10:01 2 19.43 0.00 4.89 0.77 0.07 74.85 03:10:01 3 64.03 0.00 9.22 0.00 0.07 26.68 03:11:01 all 22.34 0.00 1.66 1.67 0.06 74.27 03:11:01 0 21.55 0.00 1.32 1.15 0.05 75.93 03:11:01 1 9.90 0.00 1.27 0.05 0.07 88.71 03:11:01 2 21.54 0.00 2.54 4.37 0.05 71.50 03:11:01 3 36.40 0.00 1.51 1.09 0.08 60.92 Average: all 26.32 0.00 2.73 2.54 0.07 68.35 Average: 0 23.05 0.00 2.71 1.66 0.08 72.50 Average: 1 23.56 0.00 1.56 0.79 0.07 74.03 Average: 2 18.23 0.00 2.71 4.62 0.06 74.37 Average: 3 40.44 0.00 3.93 3.07 0.07 52.49