---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-248 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 8.5G 69G 11% / 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 555 13182 0 2301 15170 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:b1:e9:fe brd ff:ff:ff:ff:ff:ff inet 10.30.107.49/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86091sec preferred_lft 86091sec inet6 fe80::f816:3eff:feb1:e9fe/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-248) 12/20/25 _x86_64_ (4 CPU) 04:48:27 LINUX RESTART (4 CPU) 04:49:02 tps rtps wtps bread/s bwrtn/s 04:50:01 137.98 11.39 126.59 261.38 41639.99 04:51:01 68.57 6.62 61.96 445.53 7441.83 04:52:01 5.92 0.00 5.92 0.00 582.04 04:53:01 243.92 28.02 215.89 1906.30 8299.37 Average: 114.00 11.51 102.49 654.99 14376.98 04:49:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:01 13848916 15510328 2576052 15.68 69012 1787276 1083076 6.20 722216 1629696 126628 04:51:01 12506420 14278348 3918548 23.86 74216 1888120 2066324 11.83 1976564 1704112 11480 04:52:01 12394372 14164780 4030596 24.54 74348 1886112 2098500 12.01 2089832 1702280 700 04:53:01 13475464 15497920 2949504 17.96 76148 2133560 812360 4.65 845200 1864704 16236 Average: 13056293 14862844 3368675 20.51 73431 1923767 1515065 8.67 1408453 1725198 38761 04:49:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:01 ens3 84.05 56.99 1140.23 15.39 0.00 0.00 0.00 0.00 04:50:01 lo 1.02 1.02 0.12 0.12 0.00 0.00 0.00 0.00 04:51:01 ens3 186.19 142.13 1207.92 33.26 0.00 0.00 0.00 0.00 04:51:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 04:52:01 ens3 3.90 2.63 4.36 0.70 0.00 0.00 0.00 0.00 04:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:53:01 ens3 507.35 373.31 3118.93 136.18 0.00 0.00 0.00 0.00 04:53:01 lo 0.87 0.87 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 195.85 144.14 1368.89 46.52 0.00 0.00 0.00 0.00 Average: lo 0.54 0.54 0.06 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-248) 12/20/25 _x86_64_ (4 CPU) 04:48:27 LINUX RESTART (4 CPU) 04:49:02 CPU %user %nice %system %iowait %steal %idle 04:50:01 all 17.11 0.00 1.10 5.59 0.07 76.13 04:50:01 0 30.10 0.00 1.89 1.79 0.07 66.16 04:50:01 1 3.18 0.00 0.46 11.92 0.05 84.39 04:50:01 2 13.56 0.00 0.82 3.75 0.10 81.77 04:50:01 3 21.60 0.00 1.29 4.89 0.05 72.16 04:51:01 all 43.09 0.00 1.20 0.29 0.09 55.33 04:51:01 0 57.68 0.00 0.92 0.08 0.08 41.23 04:51:01 1 35.64 0.00 1.00 0.17 0.10 63.09 04:51:01 2 30.12 0.00 1.44 0.17 0.08 68.19 04:51:01 3 48.89 0.00 1.42 0.74 0.12 48.84 04:52:01 all 31.30 0.00 0.33 0.04 0.08 68.25 04:52:01 0 12.09 0.00 0.23 0.00 0.05 87.63 04:52:01 1 16.46 0.00 0.33 0.07 0.05 83.10 04:52:01 2 14.40 0.00 0.32 0.10 0.12 85.07 04:52:01 3 82.29 0.00 0.42 0.00 0.10 17.19 04:53:01 all 51.73 0.00 1.72 1.11 0.11 45.32 04:53:01 0 57.33 0.00 1.60 0.69 0.12 40.26 04:53:01 1 35.58 0.00 1.58 0.57 0.12 62.15 04:53:01 2 59.12 0.00 2.21 2.76 0.12 35.79 04:53:01 3 54.96 0.00 1.54 0.45 0.08 42.97 Average: all 35.89 0.00 1.09 1.74 0.09 61.19 Average: 0 39.33 0.00 1.16 0.63 0.08 58.80 Average: 1 22.79 0.00 0.84 3.14 0.08 73.15 Average: 2 29.36 0.00 1.20 1.68 0.10 67.65 Average: 3 52.08 0.00 1.17 1.50 0.09 45.16