---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4769 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 8.9G 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 571 12664 0 2804 15138 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 fq_codel state UP group default qlen 1000 link/ether fa:16:3e:33:b8:5c brd ff:ff:ff:ff:ff:ff inet 10.30.106.56/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86091sec preferred_lft 86091sec inet6 fe80::f816:3eff:fe33:b85c/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-4769) 11/26/23 _x86_64_ (4 CPU) 13:08:08 LINUX RESTART (4 CPU) 13:09:02 tps rtps wtps bread/s bwrtn/s 13:10:01 214.57 11.32 203.25 277.38 15128.01 13:11:01 140.05 15.10 124.95 867.87 11801.07 13:12:01 75.40 1.07 74.34 56.26 12476.85 13:13:01 44.69 0.97 43.72 60.78 5560.41 Average: 118.27 7.10 111.18 315.70 11225.07 13:09:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:01 13199168 15032828 3225792 19.64 78256 1944168 1288668 7.37 1233604 1751592 101648 13:11:01 11981580 14181236 4443380 27.05 94172 2279108 1971196 11.28 2184520 1987132 126428 13:12:01 10810832 13271592 5614128 34.18 99296 2524644 2705012 15.48 3164172 2161804 31768 13:13:01 12942992 15487948 3481968 21.20 105248 2599632 790216 4.52 988592 2206840 32176 Average: 12233643 14493401 4191317 25.52 94243 2336888 1688773 9.66 1892722 2026842 73005 13:09:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:01 ens3 259.79 230.72 2395.40 65.01 0.00 0.00 0.00 0.00 13:10:01 lo 0.88 0.88 0.09 0.09 0.00 0.00 0.00 0.00 13:11:01 ens3 333.88 281.28 2635.52 50.75 0.00 0.00 0.00 0.00 13:11:01 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 13:12:01 ens3 696.30 567.91 3263.61 232.31 0.00 0.00 0.00 0.00 13:12:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 13:13:01 ens3 274.48 250.77 342.80 649.59 0.00 0.00 0.00 0.00 13:13:01 lo 35.19 35.19 3.17 3.17 0.00 0.00 0.00 0.00 Average: ens3 391.66 333.09 2158.25 250.21 0.00 0.00 0.00 0.00 Average: lo 9.24 9.24 0.83 0.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-4769) 11/26/23 _x86_64_ (4 CPU) 13:08:08 LINUX RESTART (4 CPU) 13:09:02 CPU %user %nice %system %iowait %steal %idle 13:10:01 all 27.21 0.00 1.90 1.48 0.07 69.34 13:10:01 0 17.68 0.00 1.90 2.21 0.07 78.14 13:10:01 1 23.56 0.00 1.63 0.17 0.09 74.55 13:10:01 2 42.06 0.00 2.62 0.42 0.08 54.81 13:10:01 3 25.54 0.00 1.45 3.15 0.07 69.80 13:11:01 all 69.18 0.00 1.98 0.53 0.10 28.20 13:11:01 0 69.40 0.00 2.56 0.79 0.10 27.16 13:11:01 1 71.71 0.00 1.69 0.10 0.10 26.40 13:11:01 2 60.31 0.00 1.87 0.17 0.10 37.55 13:11:01 3 75.30 0.00 1.82 1.07 0.10 21.72 13:12:01 all 60.02 0.00 2.22 0.14 0.09 37.53 13:12:01 0 62.63 0.00 2.09 0.38 0.08 34.82 13:12:01 1 65.33 0.00 2.40 0.03 0.08 32.15 13:12:01 2 61.45 0.00 1.40 0.15 0.12 36.88 13:12:01 3 50.64 0.00 2.98 0.02 0.08 46.29 13:13:01 all 23.49 0.00 1.59 0.29 0.05 74.57 13:13:01 0 6.22 0.00 1.40 0.90 0.03 91.44 13:13:01 1 18.24 0.00 0.65 0.05 0.05 81.00 13:13:01 2 40.06 0.00 2.87 0.12 0.07 56.88 13:13:01 3 29.47 0.00 1.42 0.10 0.07 68.94 Average: all 45.05 0.00 1.92 0.61 0.08 52.34 Average: 0 39.06 0.00 1.99 1.06 0.07 57.81 Average: 1 44.80 0.00 1.59 0.09 0.08 53.43 Average: 2 51.01 0.00 2.19 0.21 0.09 46.50 Average: 3 45.34 0.00 1.92 1.07 0.08 51.59