---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6697 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 7.8G 12G 41% / 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 466 5061 0 2447 7222 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:bc:0f:01 brd ff:ff:ff:ff:ff:ff inet 10.32.6.14/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86048sec preferred_lft 86048sec inet6 fe80::f816:3eff:febc:f01/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6697) 07/25/26 _x86_64_ (4 CPU) 16:36:56 LINUX RESTART (4 CPU) 16:37:01 tps rtps wtps bread/s bwrtn/s 16:38:01 158.26 74.60 83.65 4425.26 40646.84 16:39:01 56.66 0.17 56.49 21.86 9958.61 16:40:01 68.02 30.33 37.69 1648.13 9423.90 16:41:01 18.88 10.05 8.83 775.21 3548.15 16:42:01 25.90 1.52 24.38 102.38 7240.39 Average: 65.54 23.33 42.21 1394.55 14163.22 16:37:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:38:01 6004944 7427356 2162476 26.48 36544 1565936 689544 7.48 570900 1428244 86548 16:39:01 5686528 7391464 2480892 30.38 55600 1812912 703292 7.63 621552 1662420 142768 16:40:01 5324268 7290336 2843152 34.81 63448 2057836 792432 8.60 749916 1878456 89028 16:41:01 4217164 6219956 3950256 48.37 64452 2091996 1747172 18.96 1853592 1872740 612 16:42:01 5168496 7377488 2998924 36.72 69432 2289184 705764 7.66 763972 2008484 25164 Average: 5280280 7141320 2887140 35.35 57895 1963573 927641 10.07 911986 1770069 68824 16:37:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:38:01 ens3 474.60 259.02 1517.58 68.31 0.00 0.00 0.00 0.00 16:38:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 16:39:01 ens3 52.09 44.63 403.92 4.93 0.00 0.00 0.00 0.00 16:39:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 16:40:01 ens3 227.03 214.88 3113.94 31.71 0.00 0.00 0.00 0.00 16:40:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 16:41:01 ens3 19.33 18.23 150.97 3.03 0.00 0.00 0.00 0.00 16:41:01 lo 87.17 87.17 32.18 32.18 0.00 0.00 0.00 0.00 16:42:01 ens3 127.48 120.73 1255.47 20.51 0.00 0.00 0.00 0.00 16:42:01 lo 35.56 35.56 4.38 4.38 0.00 0.00 0.00 0.00 Average: ens3 180.10 131.49 1288.34 25.70 0.00 0.00 0.00 0.00 Average: lo 25.15 25.15 7.37 7.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6697) 07/25/26 _x86_64_ (4 CPU) 16:36:56 LINUX RESTART (4 CPU) 16:37:01 CPU %user %nice %system %iowait %steal %idle 16:38:01 all 23.23 0.00 3.18 4.72 1.39 67.47 16:38:01 0 27.13 0.00 2.36 9.75 1.78 58.98 16:38:01 1 23.38 0.00 3.04 4.52 1.45 67.61 16:38:01 2 21.86 0.00 1.27 1.50 1.12 74.25 16:38:01 3 20.57 0.00 6.06 3.11 1.20 69.06 16:39:01 all 20.65 0.00 1.25 1.46 0.87 75.77 16:39:01 0 12.17 0.00 1.02 1.75 0.55 84.52 16:39:01 1 30.98 0.00 1.88 0.22 1.10 65.82 16:39:01 2 30.23 0.00 1.53 3.08 0.95 64.20 16:39:01 3 9.26 0.00 0.55 0.78 0.88 88.53 16:40:01 all 18.08 0.00 1.22 1.44 1.08 78.18 16:40:01 0 17.08 0.00 0.90 0.45 0.94 80.63 16:40:01 1 17.26 0.00 0.85 3.50 0.98 77.41 16:40:01 2 17.19 0.00 1.28 0.60 1.03 79.90 16:40:01 3 20.76 0.00 1.85 1.20 1.38 74.81 16:41:01 all 51.77 0.00 1.49 0.51 3.46 42.78 16:41:01 0 54.20 0.00 1.31 0.55 3.62 40.32 16:41:01 1 54.05 0.00 1.42 0.58 3.20 40.76 16:41:01 2 46.56 0.00 1.55 0.37 3.27 48.26 16:41:01 3 52.27 0.00 1.66 0.52 3.75 41.80 16:42:01 all 28.08 0.00 1.34 0.60 1.44 68.53 16:42:01 0 18.59 0.00 0.85 0.08 0.90 79.57 16:42:01 1 70.04 0.00 1.70 0.17 2.27 25.82 16:42:01 2 12.19 0.00 1.27 1.42 1.39 83.73 16:42:01 3 11.73 0.00 1.56 0.73 1.20 84.78 Average: all 28.37 0.00 1.70 1.75 1.65 66.54 Average: 0 25.85 0.00 1.29 2.52 1.56 68.78 Average: 1 39.14 0.00 1.78 1.80 1.80 55.49 Average: 2 25.58 0.00 1.38 1.39 1.55 70.09 Average: 3 22.91 0.00 2.34 1.27 1.68 71.80