---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1529 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: 2799.996 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 563 12737 0 2738 15150 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:cb:c8:a8 brd ff:ff:ff:ff:ff:ff inet 10.30.107.78/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86100sec preferred_lft 86100sec inet6 fe80::f816:3eff:fecb:c8a8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1529) 12/27/25 _x86_64_ (4 CPU) 03:04:55 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:01 302.38 57.73 244.65 3749.95 44515.56 03:07:01 131.06 15.31 115.75 389.40 13324.98 03:08:01 31.06 2.30 28.76 314.21 5712.78 03:09:01 28.28 4.07 24.21 124.38 2668.76 Average: 123.20 19.85 103.35 1144.59 16556.68 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 14060548 15584692 2364412 14.40 60376 1667840 760668 4.35 627812 1527316 154796 03:07:01 13459460 15205548 2965500 18.05 80896 1854532 1160568 6.64 1041860 1684388 24080 03:08:01 12864724 14753016 3560236 21.68 85520 1987668 1473296 8.43 1510484 1800420 6132 03:09:01 13041472 15499352 3383488 20.60 89328 2544112 797024 4.56 984868 2134336 520976 Average: 13356551 15260652 3068409 18.68 79030 2013538 1047889 6.00 1041256 1786615 176496 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 lo 1.87 1.87 0.20 0.20 0.00 0.00 0.00 0.00 03:06:01 ens3 411.33 248.97 1713.09 74.23 0.00 0.00 0.00 0.00 03:07:01 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 03:07:01 ens3 247.84 225.50 1233.07 59.56 0.00 0.00 0.00 0.00 03:08:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:08:01 ens3 4460.62 2506.60 2784.67 862.66 0.00 0.00 0.00 0.00 03:09:01 lo 0.68 0.68 0.06 0.06 0.00 0.00 0.00 0.00 03:09:01 ens3 707.18 437.08 863.80 159.00 0.00 0.00 0.00 0.00 Average: lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 1456.70 854.51 1648.66 288.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1529) 12/27/25 _x86_64_ (4 CPU) 03:04:55 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 19.25 0.00 2.43 7.42 0.06 70.85 03:06:01 0 20.66 0.00 1.89 0.52 0.07 76.87 03:06:01 1 19.83 0.00 1.79 13.40 0.07 64.92 03:06:01 2 15.49 0.00 3.14 3.49 0.05 77.83 03:06:01 3 21.02 0.00 2.92 12.25 0.05 63.75 03:07:01 all 21.76 0.00 1.58 0.89 0.08 75.69 03:07:01 0 23.12 0.00 1.59 0.18 0.07 75.04 03:07:01 1 34.34 0.00 1.54 0.35 0.07 63.70 03:07:01 2 14.35 0.00 1.49 1.74 0.07 82.35 03:07:01 3 15.21 0.00 1.67 1.31 0.10 81.71 03:08:01 all 32.03 0.00 6.91 0.06 0.07 60.93 03:08:01 0 33.24 0.00 0.85 0.00 0.07 65.84 03:08:01 1 50.55 0.00 10.89 0.00 0.08 38.48 03:08:01 2 20.69 0.00 11.25 0.07 0.07 67.92 03:08:01 3 23.48 0.00 4.59 0.17 0.07 71.69 03:09:01 all 42.94 0.00 2.28 0.09 0.08 54.61 03:09:01 0 43.49 0.00 3.31 0.12 0.08 53.01 03:09:01 1 44.89 0.00 2.05 0.03 0.07 52.96 03:09:01 2 42.09 0.00 2.02 0.02 0.07 55.80 03:09:01 3 41.27 0.00 1.73 0.20 0.08 56.72 Average: all 28.99 0.00 3.30 2.12 0.07 65.52 Average: 0 30.13 0.00 1.91 0.20 0.07 67.69 Average: 1 37.40 0.00 4.07 3.45 0.07 55.01 Average: 2 23.15 0.00 4.48 1.33 0.06 70.98 Average: 3 25.24 0.00 2.72 3.51 0.08 68.46