---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2010 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 9.2G 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 625 12323 0 3090 15084 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:15:a8:05 brd ff:ff:ff:ff:ff:ff inet 10.30.106.71/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85995sec preferred_lft 85995sec inet6 fe80::f816:3eff:fe15:a805/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2010) 10/11/25 _x86_64_ (4 CPU) 07:49:45 LINUX RESTART (4 CPU) 07:50:01 tps rtps wtps bread/s bwrtn/s 07:51:02 264.87 33.71 231.16 1251.92 63513.28 07:52:01 174.65 42.18 132.47 2383.05 18512.66 07:53:01 30.81 6.27 24.55 225.70 4083.72 07:54:01 21.16 0.37 20.80 8.27 12386.34 07:55:01 11.61 0.38 11.23 18.00 3830.03 07:56:01 30.61 3.67 26.94 373.48 14500.23 Average: 88.71 14.35 74.36 705.40 19473.57 07:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:51:02 14048080 15579904 2376888 14.47 60584 1673960 742444 4.25 636172 1528644 154056 07:52:01 12995760 14865560 3429208 20.88 75468 1983168 1401444 8.02 1417044 1768652 5852 07:53:01 11486440 13482800 4938528 30.07 79352 2101356 2725804 15.60 2850332 1833724 9516 07:54:01 11307364 13659968 5117604 31.16 80568 2450572 2547080 14.58 2677744 2174820 780 07:55:01 12808348 15450240 3616620 22.02 83340 2730528 1122972 6.43 1005792 2338516 257096 07:56:01 12635676 15456644 3789292 23.07 86476 2903016 836100 4.78 1058676 2451660 32960 Average: 12546945 14749186 3878023 23.61 77631 2307100 1562641 8.94 1607627 2016003 76710 07:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:51:02 ens3 417.96 252.99 1672.01 73.65 0.00 0.00 0.00 0.00 07:51:02 lo 1.13 1.13 0.13 0.13 0.00 0.00 0.00 0.00 07:52:01 ens3 238.47 200.15 2473.70 37.95 0.00 0.00 0.00 0.00 07:52:01 lo 0.68 0.68 0.07 0.07 0.00 0.00 0.00 0.00 07:53:01 ens3 848.01 606.33 1819.93 228.06 0.00 0.00 0.00 0.00 07:53:01 lo 3.72 3.72 0.65 0.65 0.00 0.00 0.00 0.00 07:54:01 ens3 260.66 220.56 396.12 72.61 0.00 0.00 0.00 0.00 07:54:01 lo 21.45 21.45 4.83 4.83 0.00 0.00 0.00 0.00 07:55:01 ens3 1040.26 625.86 443.02 316.84 0.00 0.00 0.00 0.00 07:55:01 lo 12.36 12.36 1.98 1.98 0.00 0.00 0.00 0.00 07:56:01 ens3 708.65 491.69 2569.71 207.64 0.00 0.00 0.00 0.00 07:56:01 lo 0.87 0.87 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 586.64 400.16 1559.91 156.45 0.00 0.00 0.00 0.00 Average: lo 6.72 6.72 1.30 1.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2010) 10/11/25 _x86_64_ (4 CPU) 07:49:45 LINUX RESTART (4 CPU) 07:50:01 CPU %user %nice %system %iowait %steal %idle 07:51:02 all 18.30 0.00 1.72 11.87 0.07 68.04 07:51:02 0 12.96 0.00 1.56 2.74 0.05 82.69 07:51:02 1 15.09 0.00 1.43 1.69 0.05 81.73 07:51:02 2 26.55 0.00 2.56 11.65 0.10 59.14 07:51:02 3 18.65 0.00 1.31 31.49 0.07 48.48 07:52:01 all 31.93 0.00 1.61 2.89 0.08 63.49 07:52:01 0 35.65 0.00 1.97 1.70 0.07 60.62 07:52:01 1 32.47 0.00 1.26 1.33 0.10 64.83 07:52:01 2 29.08 0.00 1.70 1.90 0.07 67.26 07:52:01 3 30.52 0.00 1.52 6.66 0.07 61.24 07:53:01 all 68.11 0.00 2.52 0.28 0.50 28.59 07:53:01 0 68.66 0.00 2.84 0.10 1.00 27.39 07:53:01 1 67.56 0.00 2.39 0.82 0.16 29.07 07:53:01 2 63.63 0.00 2.77 0.09 0.64 32.86 07:53:01 3 72.44 0.00 2.09 0.09 0.20 25.17 07:54:01 all 22.06 0.00 1.23 0.59 0.05 76.07 07:54:01 0 20.61 0.00 1.49 0.03 0.05 77.82 07:54:01 1 22.08 0.00 1.42 2.26 0.05 74.19 07:54:01 2 23.03 0.00 0.70 0.05 0.05 76.17 07:54:01 3 22.55 0.00 1.27 0.02 0.05 76.12 07:55:01 all 68.22 0.00 2.81 0.13 0.11 28.74 07:55:01 0 69.41 0.00 1.95 0.37 0.10 28.17 07:55:01 1 71.80 0.00 3.18 0.08 0.10 24.84 07:55:01 2 66.44 0.00 3.54 0.07 0.12 29.83 07:55:01 3 65.18 0.00 2.56 0.00 0.12 32.14 07:56:01 all 49.43 0.00 1.83 0.30 0.10 48.35 07:56:01 0 47.47 0.00 1.72 0.45 0.08 50.27 07:56:01 1 45.79 0.00 1.89 0.59 0.10 51.63 07:56:01 2 65.51 0.00 2.27 0.10 0.08 32.03 07:56:01 3 38.93 0.00 1.45 0.07 0.08 59.47 Average: all 42.78 0.00 1.95 2.70 0.15 52.43 Average: 0 42.30 0.00 1.92 0.90 0.22 54.66 Average: 1 42.29 0.00 1.93 1.13 0.09 54.56 Average: 2 45.48 0.00 2.25 2.34 0.17 49.76 Average: 3 41.06 0.00 1.70 6.45 0.10 50.70