---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8217 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: 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 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 469 5352 0 2154 7227 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:fc:1e:ce brd ff:ff:ff:ff:ff:ff inet 10.32.7.141/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fefc:1ece/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-8217) 11/05/25 _x86_64_ (4 CPU) 07:04:59 LINUX RESTART (4 CPU) 07:05:02 tps rtps wtps bread/s bwrtn/s 07:06:01 177.78 98.68 79.11 5280.19 40956.06 07:07:01 70.49 17.21 53.27 1227.93 9127.01 07:08:01 79.00 20.78 58.22 946.38 8026.40 07:09:01 23.81 1.32 22.49 65.71 4796.40 Average: 87.39 34.23 53.16 1865.75 15620.47 07:05:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 6034968 7426956 2132444 26.11 36156 1536180 689020 7.48 573108 1397048 70292 07:07:01 5788264 7479308 2379148 29.13 57064 1797820 609892 6.62 533700 1649444 134536 07:08:01 5435824 7349472 2731588 33.44 62904 2009444 743468 8.07 780124 1743844 127240 07:09:01 5488980 7406644 2678432 32.79 65164 2011064 665940 7.23 732660 1739376 8972 Average: 5687009 7415595 2480403 30.37 55322 1838627 677080 7.35 654898 1632428 85260 07:05:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 334.82 201.85 1250.74 63.26 0.00 0.00 0.00 0.00 07:06:01 lo 2.10 2.10 0.19 0.19 0.00 0.00 0.00 0.00 07:07:01 ens3 84.59 48.69 713.43 13.84 0.00 0.00 0.00 0.00 07:07:01 lo 1.18 1.18 0.12 0.12 0.00 0.00 0.00 0.00 07:08:01 ens3 237.43 254.51 1254.09 44.64 0.00 0.00 0.00 0.00 07:08:01 lo 0.72 0.72 0.06 0.06 0.00 0.00 0.00 0.00 07:09:01 ens3 56.00 64.83 28.89 616.65 0.00 0.00 0.00 0.00 07:09:01 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 177.55 142.22 809.92 185.12 0.00 0.00 0.00 0.00 Average: lo 1.36 1.36 0.13 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8217) 11/05/25 _x86_64_ (4 CPU) 07:04:59 LINUX RESTART (4 CPU) 07:05:02 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 19.94 0.00 2.86 5.91 2.19 69.10 07:06:01 0 21.41 0.00 2.19 3.76 2.09 70.55 07:06:01 1 26.80 0.00 5.08 6.26 2.28 59.58 07:06:01 2 19.62 0.00 2.01 2.43 2.33 73.61 07:06:01 3 11.92 0.00 2.17 11.15 2.08 72.68 07:07:01 all 20.50 0.00 1.32 2.20 0.97 75.02 07:07:01 0 30.61 0.00 1.75 6.54 1.33 59.76 07:07:01 1 15.84 0.00 1.27 0.22 0.68 82.00 07:07:01 2 31.62 0.00 1.75 1.63 1.30 63.70 07:07:01 3 3.95 0.00 0.50 0.43 0.55 94.57 07:08:01 all 36.32 0.00 1.78 1.64 4.15 56.11 07:08:01 0 30.35 0.00 1.74 1.54 3.90 62.48 07:08:01 1 19.30 0.00 1.08 1.59 3.38 74.65 07:08:01 2 56.48 0.00 2.55 1.46 5.21 34.30 07:08:01 3 39.14 0.00 1.76 1.96 4.10 53.04 07:09:01 all 20.93 0.00 1.03 0.88 0.95 76.21 07:09:01 0 6.07 0.00 0.77 0.05 0.47 92.64 07:09:01 1 36.55 0.00 1.71 2.56 1.26 57.91 07:09:01 2 18.90 0.00 0.60 0.30 1.02 79.18 07:09:01 3 22.21 0.00 1.03 0.60 1.07 75.09 Average: all 24.46 0.00 1.74 2.64 2.07 69.09 Average: 0 22.12 0.00 1.61 2.96 1.95 71.35 Average: 1 24.61 0.00 2.27 2.64 1.90 68.58 Average: 2 31.74 0.00 1.73 1.45 2.47 62.61 Average: 3 19.35 0.00 1.36 3.50 1.95 73.83