---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10755 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.6G 12G 40% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 483 5340 0 2152 7213 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:85:b5:5f brd ff:ff:ff:ff:ff:ff inet 10.32.6.153/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:fe85:b55f/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-10755) 12/02/25 _x86_64_ (4 CPU) 07:04:57 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 167.34 83.37 83.97 4916.36 40652.60 07:07:01 75.61 20.54 55.08 1400.31 9253.21 07:08:01 75.39 17.75 57.64 792.53 7880.02 07:09:01 24.59 2.57 22.03 94.50 4813.73 Average: 85.78 31.10 54.68 1802.66 15677.24 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5979452 7400256 2187968 26.79 36692 1563964 708244 7.68 601692 1424140 85420 07:07:01 5723200 7416076 2444220 29.93 57068 1799840 825556 8.96 600524 1648148 134684 07:08:01 5440492 7349428 2726928 33.39 62784 2005320 734888 7.97 782432 1739280 116628 07:09:01 5498900 7414328 2668520 32.67 64856 2009200 656648 7.13 726120 1736588 9380 Average: 5660511 7395022 2506909 30.69 55350 1844581 731334 7.94 677692 1637039 86528 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 495.12 281.57 1497.50 69.54 0.00 0.00 0.00 0.00 07:06:02 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 85.12 50.21 475.49 14.86 0.00 0.00 0.00 0.00 07:07:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 07:08:01 ens3 237.81 261.01 1247.57 43.80 0.00 0.00 0.00 0.00 07:08:01 lo 0.70 0.70 0.06 0.06 0.00 0.00 0.00 0.00 07:09:01 ens3 65.54 70.61 35.60 614.80 0.00 0.00 0.00 0.00 07:09:01 lo 1.60 1.60 0.15 0.15 0.00 0.00 0.00 0.00 Average: ens3 221.47 166.33 815.45 186.48 0.00 0.00 0.00 0.00 Average: lo 1.26 1.26 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10755) 12/02/25 _x86_64_ (4 CPU) 07:04:57 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 21.53 0.00 3.14 5.58 1.26 68.49 07:06:02 0 19.74 0.00 2.42 6.07 1.15 70.62 07:06:02 1 27.14 0.00 2.50 5.14 1.35 63.88 07:06:02 2 20.98 0.00 2.62 4.59 1.48 70.33 07:06:02 3 18.23 0.00 5.06 6.51 1.07 69.14 07:07:01 all 21.24 0.00 1.41 2.07 1.14 74.15 07:07:01 0 20.55 0.00 1.40 1.34 1.12 75.59 07:07:01 1 38.88 0.00 1.95 0.80 1.27 57.11 07:07:01 2 20.78 0.00 1.17 0.24 1.61 76.21 07:07:01 3 4.71 0.00 1.10 5.90 0.56 87.72 07:08:01 all 35.43 0.00 1.69 1.15 2.73 58.99 07:08:01 0 28.01 0.00 1.51 0.22 2.36 67.90 07:08:01 1 45.01 0.00 1.47 0.95 2.72 49.86 07:08:01 2 33.01 0.00 1.77 0.56 3.12 61.54 07:08:01 3 35.72 0.00 2.02 2.89 2.72 56.64 07:09:01 all 21.54 0.00 1.11 0.82 0.97 75.56 07:09:01 0 48.19 0.00 1.23 0.53 1.45 48.60 07:09:01 1 10.85 0.00 0.82 0.05 0.43 87.85 07:09:01 2 18.28 0.00 1.30 0.05 1.03 79.34 07:09:01 3 8.84 0.00 1.09 2.64 0.96 86.46 Average: all 24.95 0.00 1.84 2.40 1.53 69.28 Average: 0 29.17 0.00 1.64 2.04 1.52 65.63 Average: 1 30.43 0.00 1.68 1.74 1.44 64.71 Average: 2 23.28 0.00 1.72 1.37 1.81 71.83 Average: 3 16.91 0.00 2.32 4.48 1.33 74.96