---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1828 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 8.9G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 629 12667 0 2743 15084 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:f7:86:6d brd ff:ff:ff:ff:ff:ff inet 10.30.107.121/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86094sec preferred_lft 86094sec inet6 fe80::f816:3eff:fef7:866d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1828) 12/28/25 _x86_64_ (4 CPU) 03:04:28 LINUX RESTART (4 CPU) 03:05:02 tps rtps wtps bread/s bwrtn/s 03:06:01 129.40 14.81 114.59 320.22 33937.98 03:07:01 115.66 4.48 111.18 127.58 35326.65 03:08:01 18.26 5.23 13.03 407.73 7386.87 03:09:01 36.86 2.38 34.48 102.35 4850.91 Average: 74.81 6.69 68.12 239.13 20317.03 03:05:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13859896 15536828 2565064 15.62 71480 1799472 756292 4.33 687764 1648360 162980 03:07:01 12909400 14780992 3515560 21.40 84616 1971684 1491736 8.54 1468324 1796396 13404 03:08:01 12219676 14120660 4205284 25.60 85868 1998712 2127532 12.18 2157784 1794088 9240 03:09:01 13000936 15472884 3424024 20.85 91024 2555904 821268 4.70 1018860 2137724 478160 Average: 12997477 14977841 3427483 20.87 83247 2081443 1299207 7.44 1333183 1844142 165946 03:05:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 ens3 111.35 87.46 1197.80 24.60 0.00 0.00 0.00 0.00 03:06:01 lo 1.22 1.22 0.15 0.15 0.00 0.00 0.00 0.00 03:07:01 ens3 317.98 268.92 2564.28 55.70 0.00 0.00 0.00 0.00 03:07:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:08:01 ens3 528.89 399.93 168.58 237.84 0.00 0.00 0.00 0.00 03:08:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:09:01 ens3 438.83 319.31 795.27 111.70 0.00 0.00 0.00 0.00 03:09:01 lo 0.88 0.88 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 350.27 269.67 1181.34 107.81 0.00 0.00 0.00 0.00 Average: lo 0.69 0.69 0.07 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1828) 12/28/25 _x86_64_ (4 CPU) 03:04:28 LINUX RESTART (4 CPU) 03:05:02 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 17.06 0.00 1.29 3.13 0.08 78.45 03:06:01 0 42.59 0.00 2.77 1.45 0.10 53.09 03:06:01 1 8.56 0.00 0.80 4.28 0.05 86.31 03:06:01 2 5.64 0.00 0.75 3.72 0.09 89.81 03:06:01 3 11.46 0.00 0.83 3.04 0.07 84.60 03:07:01 all 28.48 0.00 1.69 1.31 0.11 68.41 03:07:01 0 26.72 0.00 2.37 0.96 0.12 69.83 03:07:01 1 24.25 0.00 1.35 2.86 0.13 71.41 03:07:01 2 31.92 0.00 1.65 1.25 0.10 65.08 03:07:01 3 30.99 0.00 1.41 0.17 0.10 67.33 03:08:01 all 34.97 0.00 6.89 0.33 0.09 57.72 03:08:01 0 38.19 0.00 2.66 0.05 0.08 59.02 03:08:01 1 31.61 0.00 9.70 1.09 0.10 57.51 03:08:01 2 26.89 0.00 12.13 0.13 0.10 60.75 03:08:01 3 43.23 0.00 3.03 0.07 0.08 53.59 03:09:01 all 36.47 0.00 2.34 0.74 0.08 60.36 03:09:01 0 32.04 0.00 1.52 2.07 0.08 64.28 03:09:01 1 31.12 0.00 1.87 0.27 0.05 66.69 03:09:01 2 44.28 0.00 3.04 0.45 0.10 52.13 03:09:01 3 38.45 0.00 2.95 0.17 0.08 58.35 Average: all 29.30 0.00 3.06 1.37 0.09 66.18 Average: 0 34.86 0.00 2.33 1.13 0.10 61.58 Average: 1 23.95 0.00 3.44 2.11 0.08 70.42 Average: 2 27.29 0.00 4.42 1.38 0.10 66.82 Average: 3 31.11 0.00 2.06 0.85 0.08 65.89