---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2256 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 464 5228 0 2283 7229 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:bd:a7:89 brd ff:ff:ff:ff:ff:ff inet 10.32.6.63/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86124sec preferred_lft 86124sec inet6 fe80::f816:3eff:febd:a789/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2256) 05/31/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 98.57 28.74 69.83 954.88 5971.63 07:07:01 76.11 32.20 43.91 1744.25 8006.37 07:08:01 56.79 10.73 46.06 635.76 10268.82 07:09:01 22.81 0.35 22.46 33.72 5278.37 Average: 63.52 17.95 45.57 838.35 7378.54 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5828832 7404116 2338588 28.63 48272 1697608 712380 7.73 636284 1521860 180804 07:07:01 5514136 7298800 2653284 32.49 60552 1884080 798056 8.66 724496 1726000 169040 07:08:01 5395728 7441712 2771692 33.94 66856 2132704 636236 6.90 710676 1847000 141944 07:09:01 5383832 7431448 2783588 34.08 68804 2132468 659468 7.16 725720 1843328 10560 Average: 5530632 7394019 2636788 32.28 61121 1961715 701535 7.61 699294 1734547 125587 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 307.63 179.07 1290.18 53.37 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 96.12 83.66 678.66 19.89 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 201.03 191.42 1736.61 685.58 0.00 0.00 0.00 0.00 07:09:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 07:09:01 ens3 15.11 17.88 11.17 17.34 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 155.22 118.15 930.18 194.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2256) 05/31/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 22.90 0.00 1.59 3.12 1.35 71.03 07:06:02 0 9.95 0.00 0.97 2.33 0.75 86.00 07:06:02 1 43.11 0.00 2.70 5.13 1.57 47.50 07:06:02 2 15.20 0.00 1.29 4.68 1.53 77.30 07:06:02 3 23.44 0.00 1.38 0.37 1.55 73.27 07:07:01 all 25.66 0.00 1.50 1.90 1.65 69.29 07:07:01 0 19.54 0.00 1.81 2.53 1.52 74.60 07:07:01 1 17.63 0.00 0.76 0.64 1.72 79.26 07:07:01 2 46.52 0.00 2.15 3.05 2.05 46.23 07:07:01 3 19.04 0.00 1.29 1.36 1.32 76.99 07:08:01 all 36.46 0.00 2.02 1.07 2.71 57.74 07:08:01 0 25.57 0.00 1.80 0.32 2.34 69.98 07:08:01 1 54.38 0.00 2.35 0.62 2.86 39.80 07:08:01 2 33.58 0.00 1.36 0.86 2.41 61.79 07:08:01 3 32.35 0.00 2.58 2.52 3.20 59.35 07:09:01 all 21.18 0.00 1.14 0.73 0.69 76.26 07:09:01 0 2.78 0.00 0.43 0.02 0.20 96.57 07:09:01 1 36.27 0.00 1.61 0.55 0.88 60.68 07:09:01 2 11.66 0.00 1.25 2.20 0.45 84.45 07:09:01 3 34.13 0.00 1.23 0.17 1.26 63.21 Average: all 26.55 0.00 1.56 1.71 1.60 68.58 Average: 0 14.43 0.00 1.25 1.29 1.20 81.83 Average: 1 37.90 0.00 1.86 1.73 1.76 56.75 Average: 2 26.64 0.00 1.51 2.70 1.61 67.54 Average: 3 27.28 0.00 1.62 1.10 1.84 68.17