---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-110 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.6G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 433 1361 0 2149 3247 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:2f:fb:ca brd ff:ff:ff:ff:ff:ff inet 10.32.6.25/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86096sec preferred_lft 86096sec inet6 fe80::f816:3eff:fe2f:fbca/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-110) 07/11/25 _x86_64_ (4 CPU) 07:04:54 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 138.05 59.80 78.24 3693.89 39859.82 07:07:01 57.37 1.97 55.41 65.72 9372.04 07:08:01 89.00 37.01 51.99 2117.91 7878.02 07:09:01 26.28 1.02 25.26 59.19 5010.63 Average: 77.68 24.95 52.73 1484.36 15532.15 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 1948672 3357768 2089972 51.75 36296 1537208 622880 12.24 539040 1397624 71576 07:07:01 1671444 3328484 2367200 58.61 55920 1749136 632584 12.43 572072 1608124 124544 07:08:01 1471524 3390944 2567120 63.56 61796 1999888 548940 10.79 631764 1734736 105340 07:09:01 1397580 3325520 2641064 65.39 64232 2006236 616540 12.12 708140 1735044 9220 Average: 1622305 3350679 2416339 59.83 54561 1823117 605236 11.90 612754 1618882 77670 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 332.38 188.34 1172.74 63.43 0.00 0.00 0.00 0.00 07:06:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 07:07:01 ens3 47.03 36.76 535.33 9.47 0.00 0.00 0.00 0.00 07:07:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 07:08:01 ens3 280.72 272.19 1412.48 61.21 0.00 0.00 0.00 0.00 07:08:01 lo 1.50 1.50 0.15 0.15 0.00 0.00 0.00 0.00 07:09:01 ens3 52.81 65.02 27.87 603.08 0.00 0.00 0.00 0.00 07:09:01 lo 1.20 1.20 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 178.25 140.58 787.14 184.29 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-110) 07/11/25 _x86_64_ (4 CPU) 07:04:54 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 20.63 0.00 2.84 5.58 3.04 67.91 07:06:01 0 31.67 0.00 2.32 3.62 2.66 59.73 07:06:01 1 17.49 0.00 3.29 7.42 2.84 68.95 07:06:01 2 13.92 0.00 3.40 6.26 3.79 72.63 07:06:01 3 19.51 0.00 2.36 5.00 2.91 70.22 07:07:01 all 21.02 0.00 1.27 2.16 1.37 74.19 07:07:01 0 11.53 0.00 0.93 0.55 0.78 86.21 07:07:01 1 7.83 0.00 0.95 7.08 0.78 83.37 07:07:01 2 24.76 0.00 1.37 0.66 2.30 70.91 07:07:01 3 39.96 0.00 1.80 0.37 1.61 56.26 07:08:01 all 31.48 0.00 1.67 1.89 4.20 60.76 07:08:01 0 25.68 0.00 1.34 2.81 3.34 66.83 07:08:01 1 30.82 0.00 1.50 0.52 3.80 63.37 07:08:01 2 35.43 0.00 2.17 1.09 5.51 55.80 07:08:01 3 33.97 0.00 1.69 3.15 4.11 57.07 07:09:01 all 20.58 0.00 1.17 1.01 1.13 76.10 07:09:01 0 6.35 0.00 0.85 0.92 0.43 91.45 07:09:01 1 3.09 0.00 0.81 1.71 0.45 93.94 07:09:01 2 7.33 0.00 0.85 0.99 1.31 89.52 07:09:01 3 65.73 0.00 2.20 0.42 2.35 29.30 Average: all 23.43 0.00 1.74 2.66 2.44 69.73 Average: 0 18.83 0.00 1.36 1.98 1.81 76.02 Average: 1 14.81 0.00 1.64 4.19 1.97 77.40 Average: 2 20.36 0.00 1.95 2.26 3.23 72.20 Average: 3 39.77 0.00 2.01 2.24 2.75 53.24