---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4791 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 473 5322 0 2179 7221 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:3d:2d:a7 brd ff:ff:ff:ff:ff:ff inet 10.32.7.108/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86100sec preferred_lft 86100sec inet6 fe80::f816:3eff:fe3d:2da7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4791) 02/03/26 _x86_64_ (4 CPU) 07:04:42 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 96.38 28.57 67.81 940.35 5382.89 07:07:01 78.53 30.45 48.08 1714.69 8060.60 07:08:01 69.60 9.80 59.80 531.07 7374.58 07:09:01 27.13 1.63 25.50 76.79 4975.57 Average: 67.87 17.56 50.31 811.95 6441.70 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5909816 7372632 2257604 27.64 39536 1601344 732032 7.94 640184 1449552 93288 07:07:01 5599124 7304192 2568296 31.45 58168 1810104 780672 8.47 716472 1653512 103692 07:08:01 5495424 7425764 2671996 32.72 65460 2021540 645000 7.00 710840 1749876 114648 07:09:01 5392056 7341712 2775364 33.98 67740 2037900 745912 8.09 803492 1758760 15320 Average: 5599105 7361075 2568315 31.45 57726 1867722 725904 7.88 717747 1652925 81737 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:06:02 ens3 252.10 135.19 1171.74 49.66 0.00 0.00 0.00 0.00 07:07:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 101.15 75.48 484.49 20.08 0.00 0.00 0.00 0.00 07:08:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 07:08:01 ens3 300.25 336.68 1528.62 54.96 0.00 0.00 0.00 0.00 07:09:01 lo 1.27 1.27 0.11 0.11 0.00 0.00 0.00 0.00 07:09:01 ens3 57.54 64.66 27.62 608.17 0.00 0.00 0.00 0.00 Average: lo 0.98 0.98 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 178.09 153.34 804.53 183.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4791) 02/03/26 _x86_64_ (4 CPU) 07:04:42 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 21.07 0.00 1.53 3.29 2.25 71.86 07:06:02 0 16.81 0.00 0.91 1.16 1.48 79.64 07:06:02 1 5.55 0.00 0.91 1.69 1.67 90.18 07:06:02 2 43.03 0.00 2.03 0.86 3.02 51.06 07:06:02 3 18.97 0.00 2.28 9.45 2.81 66.48 07:07:01 all 24.79 0.00 1.71 2.36 2.52 68.63 07:07:01 0 15.75 0.00 1.13 0.05 2.27 80.80 07:07:01 1 20.78 0.00 1.52 0.83 1.59 75.30 07:07:01 2 36.42 0.00 2.51 2.53 3.07 55.48 07:07:01 3 26.20 0.00 1.69 5.99 3.12 62.99 07:08:01 all 40.34 0.00 2.45 0.79 5.41 51.01 07:08:01 0 50.41 0.00 2.40 0.48 5.42 41.30 07:08:01 1 38.76 0.00 2.02 1.22 4.97 53.03 07:08:01 2 40.20 0.00 1.43 0.20 5.01 53.16 07:08:01 3 32.06 0.00 3.89 1.28 6.25 56.53 07:09:01 all 20.49 0.00 0.86 1.18 1.26 76.21 07:09:01 0 21.33 0.00 0.65 0.12 1.20 76.71 07:09:01 1 30.90 0.00 1.27 1.40 1.20 65.24 07:09:01 2 28.11 0.00 0.86 0.42 1.66 68.95 07:09:01 3 1.59 0.00 0.70 2.82 0.95 93.94 Average: all 26.72 0.00 1.64 1.90 2.87 66.88 Average: 0 26.18 0.00 1.28 0.45 2.60 69.49 Average: 1 24.02 0.00 1.43 1.28 2.36 70.90 Average: 2 36.95 0.00 1.70 0.99 3.19 57.16 Average: 3 19.74 0.00 2.15 4.87 3.29 69.95