---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35718 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 649 10509 4 4830 14996 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:4d:e4:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84608sec preferred_lft 84608sec inet6 fe80::f816:3eff:fe4d:e40a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:da:b9:19:c6:fc brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-35718) 07/14/26 _x86_64_ (4 CPU) 09:24:00 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:35 14.34 2.15 11.18 1.02 130.33 3128.32 2534.25 09:50:14 29.83 0.66 24.66 4.51 26.00 4336.26 2873.98 Average: 21.73 1.44 17.61 2.68 80.55 3704.65 2696.34 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:35 10292684 13825696 2132456 13.02 142592 3492660 2392840 13.73 619852 5060684 44176 09:50:14 10791136 15377088 574000 3.51 171780 4444480 1099428 6.31 895644 4175340 840 Average: 10541910 14601392 1353228 8.26 157186 3968570 1746134 10.02 757748 4618012 22508 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:35 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 09:40:35 ens3 105.26 82.59 573.46 25.60 0.00 0.00 0.00 0.00 09:40:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:14 lo 1757.98 1757.98 1672.71 1672.71 0.00 0.00 0.00 0.00 09:50:14 ens3 82.47 69.96 419.54 63.42 0.00 0.00 0.00 0.00 09:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 839.48 839.48 798.15 798.15 0.00 0.00 0.00 0.00 Average: ens3 94.39 76.56 500.03 43.65 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-35718) 07/14/26 _x86_64_ (4 CPU) 09:24:00 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:35 all 72.41 0.00 2.34 0.05 0.14 25.07 09:40:35 0 73.28 0.00 2.56 0.04 0.15 23.97 09:40:35 1 71.40 0.00 2.34 0.05 0.14 26.08 09:40:35 2 72.04 0.00 2.29 0.04 0.14 25.50 09:40:35 3 72.91 0.00 2.16 0.05 0.14 24.73 09:50:14 all 61.94 0.00 2.70 0.07 0.13 35.17 09:50:14 0 61.59 0.00 2.38 0.06 0.13 35.83 09:50:14 1 63.77 0.00 2.83 0.04 0.14 33.22 09:50:14 2 58.99 0.00 2.54 0.11 0.13 38.24 09:50:14 3 63.39 0.00 3.04 0.05 0.13 33.38 Average: all 67.41 0.00 2.51 0.05 0.14 29.89 Average: 0 67.70 0.00 2.47 0.05 0.14 29.63 Average: 1 67.76 0.00 2.57 0.04 0.14 29.48 Average: 2 65.82 0.00 2.41 0.07 0.13 31.57 Average: 3 68.37 0.00 2.58 0.05 0.14 28.86