---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8273 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: 2799.998 BogoMIPS: 5599.99 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 11G 68G 14% / 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 561 11200 0 4278 15149 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:fc:ea:21 brd ff:ff:ff:ff:ff:ff inet 10.30.107.250/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85987sec preferred_lft 85987sec inet6 fe80::f816:3eff:fefc:ea21/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-8273) 11/02/25 _x86_64_ (4 CPU) 13:02:23 LINUX RESTART (4 CPU) 13:03:01 tps rtps wtps bread/s bwrtn/s 13:04:01 197.67 33.94 163.72 1809.70 52071.05 13:05:01 80.70 14.88 65.82 846.13 13304.32 13:06:01 21.61 0.12 21.50 1.20 2836.46 13:07:01 28.26 0.07 28.19 1.60 4042.79 13:08:01 41.51 0.50 41.01 8.53 21262.99 13:09:01 45.38 3.02 42.36 302.08 46474.79 Average: 69.19 8.75 60.43 494.86 23331.53 13:03:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:04:01 13457832 15293956 2967136 18.06 76024 1949488 984804 5.64 951392 1778084 104148 13:05:01 11608232 13764812 4816736 29.33 81656 2256332 2360096 13.51 2583140 1974252 12212 13:06:01 11346304 13636744 5078664 30.92 85076 2382464 2518888 14.42 2728336 2084012 64104 13:07:01 11272448 13617628 5152520 31.37 90956 2427656 2518888 14.42 2752596 2125992 5092 13:08:01 11218764 15148008 5206204 31.70 94164 3964828 1132356 6.48 1518892 3369440 1273484 13:09:01 11502232 15544428 4922736 29.97 97472 4070880 766860 4.39 1172432 3429984 29328 Average: 11734302 14500929 4690666 28.56 87558 2841941 1713649 9.81 1951131 2460294 248061 13:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:04:01 ens3 264.46 216.55 2829.13 41.90 0.00 0.00 0.00 0.00 13:04:01 lo 0.60 0.60 0.07 0.07 0.00 0.00 0.00 0.00 13:05:01 ens3 584.07 438.44 4486.81 137.94 0.00 0.00 0.00 0.00 13:05:01 lo 2.27 2.27 8.70 8.70 0.00 0.00 0.00 0.00 13:06:01 ens3 1119.98 820.33 1077.61 312.97 0.00 0.00 0.00 0.00 13:06:01 lo 4.75 4.75 17.25 17.25 0.00 0.00 0.00 0.00 13:07:01 ens3 101.67 76.31 561.40 16.41 0.00 0.00 0.00 0.00 13:07:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 13:08:01 ens3 458.77 288.47 5041.07 46.70 0.00 0.00 0.00 0.00 13:08:01 lo 1.35 1.35 0.14 0.14 0.00 0.00 0.00 0.00 13:09:01 ens3 542.91 359.81 1563.78 136.87 0.00 0.00 0.00 0.00 13:09:01 lo 0.87 0.87 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 511.96 366.64 2593.24 115.46 0.00 0.00 0.00 0.00 Average: lo 1.68 1.68 4.38 4.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-8273) 11/02/25 _x86_64_ (4 CPU) 13:02:23 LINUX RESTART (4 CPU) 13:03:01 CPU %user %nice %system %iowait %steal %idle 13:04:01 all 27.54 0.00 1.74 3.16 0.09 67.47 13:04:01 0 24.29 0.00 1.44 1.17 0.07 73.04 13:04:01 1 32.68 0.00 1.94 5.82 0.10 59.47 13:04:01 2 16.42 0.00 1.01 4.59 0.12 77.87 13:04:01 3 36.76 0.00 2.58 1.07 0.08 59.51 13:05:01 all 67.37 0.00 2.75 0.49 0.11 29.29 13:05:01 0 63.05 0.00 2.79 0.85 0.10 33.21 13:05:01 1 66.98 0.00 2.19 0.15 0.10 30.57 13:05:01 2 66.58 0.00 3.00 0.44 0.10 29.88 13:05:01 3 72.89 0.00 3.01 0.50 0.12 23.49 13:06:01 all 38.99 0.00 3.04 0.05 0.08 57.85 13:06:01 0 44.58 0.00 2.56 0.00 0.08 52.77 13:06:01 1 36.79 0.00 2.96 0.02 0.08 60.15 13:06:01 2 41.74 0.00 2.79 0.10 0.08 55.28 13:06:01 3 32.83 0.00 3.86 0.08 0.07 63.15 13:07:01 all 7.78 0.00 0.43 0.06 0.08 91.65 13:07:01 0 7.17 0.00 0.50 0.00 0.08 92.25 13:07:01 1 9.73 0.00 0.52 0.02 0.08 89.65 13:07:01 2 8.97 0.00 0.37 0.02 0.08 90.56 13:07:01 3 5.29 0.00 0.30 0.20 0.05 94.17 13:08:01 all 28.06 0.00 1.76 0.62 0.09 69.47 13:08:01 0 24.86 0.00 2.14 0.45 0.08 72.47 13:08:01 1 31.72 0.00 1.27 0.02 0.08 66.91 13:08:01 2 25.56 0.00 1.74 0.79 0.10 71.81 13:08:01 3 30.12 0.00 1.91 1.22 0.10 66.64 13:09:01 all 33.37 0.00 1.72 1.50 0.08 63.34 13:09:01 0 31.14 0.00 1.35 0.83 0.07 66.61 13:09:01 1 32.67 0.00 1.83 0.07 0.10 65.33 13:09:01 2 35.03 0.00 1.75 0.12 0.08 63.02 13:09:01 3 34.65 0.00 1.91 4.99 0.08 58.36 Average: all 33.83 0.00 1.90 0.98 0.09 63.20 Average: 0 32.49 0.00 1.80 0.55 0.08 65.08 Average: 1 35.09 0.00 1.79 1.01 0.09 62.02 Average: 2 32.37 0.00 1.78 1.01 0.09 64.75 Average: 3 35.37 0.00 2.26 1.34 0.08 60.94