---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-221 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: 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 9.0G 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 618 12585 0 2836 15098 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:5f:91:71 brd ff:ff:ff:ff:ff:ff inet 10.30.107.240/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86115sec preferred_lft 86115sec inet6 fe80::f816:3eff:fe5f:9171/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-221) 12/20/25 _x86_64_ (4 CPU) 02:23:28 LINUX RESTART (4 CPU) 02:24:02 tps rtps wtps bread/s bwrtn/s 02:25:01 175.41 29.45 145.96 1685.14 47529.57 02:26:01 86.80 14.05 72.75 789.20 14861.79 02:27:01 14.05 0.25 13.80 4.00 6917.65 02:28:01 267.07 3.20 263.87 306.88 23117.08 Average: 135.67 11.66 124.00 692.17 23004.35 02:24:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:25:01 13651312 15374040 2773656 16.89 74268 1840928 1051760 6.02 857580 1683384 145556 02:26:01 12069372 14112928 4355596 26.52 77276 2152128 2138936 12.24 2163120 1945040 8220 02:27:01 12581004 15254340 3843964 23.40 78640 2771056 1055440 6.04 1225000 2355448 484480 02:28:01 12658016 15468804 3766952 22.93 82100 2903064 845880 4.84 1064736 2435340 24860 Average: 12739926 15052528 3685042 22.44 78071 2416794 1273004 7.29 1327609 2104803 165779 02:24:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:25:01 ens3 172.23 126.61 1343.55 32.88 0.00 0.00 0.00 0.00 02:25:01 lo 0.88 0.88 0.11 0.11 0.00 0.00 0.00 0.00 02:26:01 ens3 8228.80 5027.85 4410.79 2286.37 0.00 0.00 0.00 0.00 02:26:01 lo 947.98 947.98 72.67 72.67 0.00 0.00 0.00 0.00 02:27:01 ens3 10090.37 7015.90 3902.03 2627.85 0.00 0.00 0.00 0.00 02:27:01 lo 994.23 994.23 76.23 76.23 0.00 0.00 0.00 0.00 02:28:01 ens3 406.13 278.02 1969.05 105.83 0.00 0.00 0.00 0.00 02:28:01 lo 0.93 0.93 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 4743.42 3124.58 2912.89 1268.38 0.00 0.00 0.00 0.00 Average: lo 488.04 488.04 37.43 37.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-221) 12/20/25 _x86_64_ (4 CPU) 02:23:28 LINUX RESTART (4 CPU) 02:24:02 CPU %user %nice %system %iowait %steal %idle 02:25:01 all 23.07 0.00 1.61 3.04 0.07 72.21 02:25:01 0 16.93 0.00 1.14 5.49 0.05 76.39 02:25:01 1 32.66 0.00 1.93 1.95 0.08 63.37 02:25:01 2 25.73 0.00 1.94 0.72 0.09 71.53 02:25:01 3 16.96 0.00 1.44 3.99 0.05 77.56 02:26:01 all 46.07 0.00 22.70 0.30 0.11 30.82 02:26:01 0 42.77 0.00 25.13 0.35 0.12 31.64 02:26:01 1 49.70 0.00 22.32 0.30 0.12 27.57 02:26:01 2 44.29 0.00 15.87 0.42 0.10 39.33 02:26:01 3 47.54 0.00 27.47 0.13 0.12 24.74 02:27:01 all 31.18 0.00 29.43 0.07 0.13 39.19 02:27:01 0 31.24 0.00 40.02 0.10 0.12 28.52 02:27:01 1 28.31 0.00 26.26 0.05 0.13 45.24 02:27:01 2 27.08 0.00 19.37 0.03 0.15 53.36 02:27:01 3 38.12 0.00 32.09 0.08 0.12 29.59 02:28:01 all 37.17 0.00 1.87 1.24 0.06 59.66 02:28:01 0 21.21 0.00 1.67 1.92 0.07 75.13 02:28:01 1 61.28 0.00 2.40 0.78 0.08 35.45 02:28:01 2 30.74 0.00 1.49 0.03 0.05 67.69 02:28:01 3 35.36 0.00 1.96 2.22 0.07 60.39 Average: all 34.41 0.00 13.94 1.15 0.09 50.40 Average: 0 28.05 0.00 17.03 1.96 0.09 52.88 Average: 1 43.04 0.00 13.25 0.77 0.11 42.84 Average: 2 31.97 0.00 9.71 0.30 0.10 57.92 Average: 3 34.56 0.00 15.79 1.60 0.09 47.96