---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1324 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 492 5266 0 2217 7203 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:8a:df:c6 brd ff:ff:ff:ff:ff:ff inet 10.32.7.42/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fe8a:dfc6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1324) 05/20/26 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 99.80 29.76 70.04 1007.83 6101.40 07:07:01 80.62 30.98 49.64 1695.58 9578.54 07:08:01 45.39 10.71 34.68 633.55 10350.96 07:09:01 22.15 0.35 21.80 33.73 1503.08 Average: 61.99 17.95 44.04 842.66 6883.78 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5849604 7414096 2317816 28.38 47316 1688804 684092 7.42 624092 1513912 180048 07:07:01 5584128 7326708 2583292 31.63 60676 1843624 773924 8.40 723952 1659396 79260 07:08:01 5403924 7383460 2763496 33.84 65684 2070644 679536 7.37 769916 1784452 27668 07:09:01 5391864 7375040 2775556 33.98 67780 2071768 686452 7.45 781856 1783184 9852 Average: 5557380 7374826 2610040 31.96 60364 1918710 706001 7.66 724954 1685236 74207 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:06:01 ens3 438.16 261.37 1482.02 65.49 0.00 0.00 0.00 0.00 07:07:01 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 111.65 95.45 864.51 21.91 0.00 0.00 0.00 0.00 07:08:01 lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 07:08:01 ens3 183.49 169.80 1438.45 694.05 0.00 0.00 0.00 0.00 07:09:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 07:09:01 ens3 12.88 13.26 10.29 6.26 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 186.55 134.97 948.86 196.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1324) 05/20/26 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.97 0.00 1.62 3.24 1.86 70.31 07:06:01 0 20.86 0.00 1.82 0.63 2.05 74.65 07:06:01 1 15.01 0.00 1.17 0.89 1.47 81.45 07:06:01 2 40.45 0.00 2.15 2.91 2.50 51.98 07:06:01 3 15.53 0.00 1.33 8.56 1.45 73.14 07:07:01 all 29.82 0.00 1.67 1.98 2.83 63.70 07:07:01 0 35.14 0.00 1.46 1.03 2.34 60.02 07:07:01 1 48.43 0.00 2.59 1.33 3.37 44.29 07:07:01 2 17.67 0.00 1.14 1.86 2.47 76.86 07:07:01 3 18.12 0.00 1.45 3.73 3.13 73.57 07:08:01 all 32.30 0.00 1.57 1.03 2.64 62.46 07:08:01 0 21.59 0.00 1.34 2.15 2.61 72.30 07:08:01 1 22.43 0.00 1.38 0.76 2.54 72.89 07:08:01 2 49.95 0.00 1.76 0.56 2.89 44.84 07:08:01 3 35.33 0.00 1.83 0.62 2.51 59.71 07:09:01 all 20.04 0.00 0.85 0.88 1.13 77.10 07:09:01 0 4.14 0.00 0.40 0.83 0.40 94.23 07:09:01 1 29.14 0.00 0.79 2.23 2.21 65.63 07:09:01 2 17.43 0.00 1.10 0.32 0.88 80.28 07:09:01 3 29.39 0.00 1.07 0.17 1.00 68.38 Average: all 26.29 0.00 1.43 1.78 2.12 68.39 Average: 0 20.44 0.00 1.26 1.16 1.85 75.29 Average: 1 28.73 0.00 1.48 1.30 2.40 66.09 Average: 2 31.38 0.00 1.54 1.41 2.19 63.48 Average: 3 24.58 0.00 1.42 3.27 2.03 68.71