---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6671 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 7.7G 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 465 5254 0 2255 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:c1:91:8e brd ff:ff:ff:ff:ff:ff inet 10.32.6.69/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86073sec preferred_lft 86073sec inet6 fe80::f816:3eff:fec1:918e/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-6671) 07/25/26 _x86_64_ (4 CPU) 12:46:56 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:02 153.12 67.42 85.70 4289.02 40794.28 12:49:01 59.76 5.63 54.13 178.24 9584.55 12:50:01 84.14 26.02 58.12 1577.08 7379.64 12:51:01 38.33 8.62 29.71 529.65 6609.17 12:52:01 23.65 0.40 23.25 37.73 1548.81 Average: 71.84 21.67 50.17 1326.15 13194.81 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:02 6026764 7452828 2140656 26.21 37064 1568924 669192 7.26 548820 1430304 87108 12:49:01 5763268 7489180 2404152 29.44 57396 1830228 607200 6.59 516644 1689532 164668 12:50:01 5443212 7256024 2724208 33.35 63660 1907176 847328 9.19 796224 1720308 3712 12:51:01 5446924 7462500 2720496 33.31 67808 2101856 619896 6.73 678148 1828088 24220 12:52:01 5416728 7436036 2750692 33.68 69920 2103456 649148 7.04 712536 1823252 8500 Average: 5619379 7419314 2548041 31.20 59170 1902328 678553 7.36 650474 1698297 57642 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:02 ens3 440.41 255.97 1520.08 67.25 0.00 0.00 0.00 0.00 12:48:02 lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 12:49:01 ens3 65.32 54.61 556.46 10.63 0.00 0.00 0.00 0.00 12:49:01 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 12:50:01 ens3 172.75 204.88 438.96 38.50 0.00 0.00 0.00 0.00 12:50:01 lo 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 12:51:01 ens3 284.39 274.19 1218.07 634.64 0.00 0.00 0.00 0.00 12:51:01 lo 1.23 1.23 0.11 0.11 0.00 0.00 0.00 0.00 12:52:01 ens3 15.25 14.73 12.99 6.91 0.00 0.00 0.00 0.00 12:52:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 196.05 161.23 749.93 152.04 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.09 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6671) 07/25/26 _x86_64_ (4 CPU) 12:46:56 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:02 all 21.52 0.00 2.88 5.14 1.44 69.02 12:48:02 0 44.09 0.00 2.87 4.62 1.69 46.73 12:48:02 1 20.49 0.00 4.45 3.87 1.32 69.87 12:48:02 2 8.98 0.00 1.86 5.70 1.58 81.88 12:48:02 3 12.58 0.00 2.31 6.34 1.18 77.59 12:49:01 all 21.02 0.00 1.20 1.99 0.73 75.06 12:49:01 0 4.98 0.00 0.56 5.74 0.32 88.39 12:49:01 1 14.39 0.00 0.85 1.32 0.52 82.92 12:49:01 2 52.98 0.00 2.76 0.56 1.44 42.25 12:49:01 3 11.79 0.00 0.66 0.34 0.62 86.59 12:50:01 all 29.61 0.00 1.99 1.78 1.69 64.93 12:50:01 0 26.17 0.00 1.62 1.17 1.30 69.74 12:50:01 1 31.10 0.00 2.31 3.59 2.08 60.92 12:50:01 2 34.70 0.00 2.15 0.90 2.00 60.25 12:50:01 3 26.45 0.00 1.88 1.45 1.38 68.83 12:51:01 all 30.62 0.00 1.65 0.70 1.54 65.50 12:51:01 0 28.37 0.00 2.26 1.03 1.81 66.53 12:51:01 1 26.56 0.00 1.50 1.30 1.28 69.36 12:51:01 2 44.70 0.00 1.87 0.25 1.89 51.29 12:51:01 3 22.89 0.00 1.01 0.20 1.19 74.71 12:52:01 all 20.76 0.00 1.08 0.72 0.69 76.74 12:52:01 0 10.49 0.00 0.92 1.80 0.58 86.21 12:52:01 1 37.34 0.00 1.70 0.65 0.88 59.43 12:52:01 2 28.33 0.00 1.30 0.08 0.75 69.53 12:52:01 3 6.88 0.00 0.40 0.35 0.53 91.83 Average: all 24.72 0.00 1.76 2.07 1.22 70.23 Average: 0 22.87 0.00 1.65 2.86 1.14 71.47 Average: 1 26.01 0.00 2.17 2.15 1.22 68.45 Average: 2 33.86 0.00 1.99 1.50 1.53 61.12 Average: 3 16.14 0.00 1.25 1.74 0.98 79.88