---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2293 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 468 5341 0 2166 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:85:85:c1 brd ff:ff:ff:ff:ff:ff inet 10.32.7.53/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86126sec preferred_lft 86126sec inet6 fe80::f816:3eff:fe85:85c1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2293) 05/31/26 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 175.82 92.44 83.39 5109.23 40451.60 19:15:01 60.70 5.58 55.11 175.94 10245.12 19:16:01 77.72 13.15 64.57 515.91 8810.13 19:17:01 26.36 3.05 23.31 123.45 4499.65 Average: 85.15 28.56 56.60 1481.23 16002.40 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 6031496 7430880 2135924 26.15 36488 1543500 678920 7.37 569900 1405848 73196 19:15:01 5756088 7487732 2411332 29.52 57268 1836376 606648 6.58 517460 1696040 159004 19:16:01 5448848 7378292 2718572 33.29 64028 2021948 730408 7.93 721664 1787920 111932 19:17:01 5474144 7405032 2693276 32.98 66092 2021476 675604 7.33 702404 1781392 10016 Average: 5677644 7425484 2489776 30.48 55969 1855825 672895 7.30 627857 1667800 88537 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 ens3 383.32 217.08 1300.84 63.40 0.00 0.00 0.00 0.00 19:14:01 lo 2.00 2.00 0.18 0.18 0.00 0.00 0.00 0.00 19:15:01 ens3 73.49 60.48 803.99 11.87 0.00 0.00 0.00 0.00 19:15:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 19:16:01 ens3 293.03 285.42 1255.28 54.21 0.00 0.00 0.00 0.00 19:16:01 lo 1.70 1.70 0.16 0.16 0.00 0.00 0.00 0.00 19:17:01 ens3 55.32 61.91 30.27 535.73 0.00 0.00 0.00 0.00 19:17:01 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 201.30 156.22 847.61 166.29 0.00 0.00 0.00 0.00 Average: lo 1.37 1.37 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-2293) 05/31/26 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 21.18 0.00 2.59 4.97 1.25 70.02 19:14:01 0 14.40 0.00 1.31 2.06 1.08 81.14 19:14:01 1 15.66 0.00 4.67 6.97 1.27 71.44 19:14:01 2 24.96 0.00 2.68 8.63 1.37 62.36 19:14:01 3 29.75 0.00 1.69 2.25 1.25 65.07 19:15:01 all 21.56 0.00 1.29 1.53 0.81 74.81 19:15:01 0 17.47 0.00 1.08 0.82 0.80 79.83 19:15:01 1 3.54 0.00 0.43 4.55 0.31 91.17 19:15:01 2 52.61 0.00 2.78 0.72 1.70 42.20 19:15:01 3 12.76 0.00 0.88 0.02 0.43 85.91 19:16:01 all 38.87 0.00 1.91 1.55 2.48 55.18 19:16:01 0 52.66 0.00 1.75 2.70 2.47 40.41 19:16:01 1 31.30 0.00 1.69 1.38 2.34 63.29 19:16:01 2 38.08 0.00 1.90 0.22 2.55 57.25 19:16:01 3 33.51 0.00 2.31 1.91 2.59 59.68 19:17:01 all 21.30 0.00 1.00 0.71 0.73 76.26 19:17:01 0 12.63 0.00 1.05 0.42 0.55 85.35 19:17:01 1 24.31 0.00 0.98 1.04 0.98 72.69 19:17:01 2 17.58 0.00 0.63 0.12 0.67 81.00 19:17:01 3 30.64 0.00 1.32 1.23 0.73 66.08 Average: all 25.73 0.00 1.70 2.19 1.32 69.07 Average: 0 24.28 0.00 1.30 1.50 1.22 71.70 Average: 1 18.70 0.00 1.94 3.48 1.22 74.66 Average: 2 33.33 0.00 2.00 2.41 1.57 60.69 Average: 3 26.67 0.00 1.55 1.35 1.25 69.18