---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27380 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 67G 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 636 10185 4 5167 15010 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:d6:c1:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84907sec preferred_lft 84907sec inet6 fe80::f816:3eff:fed6:c118/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:54:37:91:48:0c 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-27380) 06/14/26 _x86_64_ (4 CPU) 17:09:21 LINUX RESTART (4 CPU) 17:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 23.02 3.46 18.54 1.02 576.43 4648.17 7801.75 17:30:10 9.05 0.54 8.02 0.49 21.28 1751.65 1598.20 Average: 15.95 1.98 13.22 0.75 295.52 3182.50 4662.69 17:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 9967236 13233384 2729320 16.67 116828 3305028 2996056 17.20 624520 5433728 22264 17:30:10 9595392 13417556 2541372 15.52 135376 3809396 2740340 15.73 770940 5606624 99056 Average: 9781314 13325470 2635346 16.10 126102 3557212 2868198 16.46 697730 5520176 60660 17:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.56 0.56 0.06 0.06 0.00 0.00 0.00 0.00 17:20:01 ens3 86.85 69.97 987.82 10.13 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:10 lo 155.17 155.17 147.70 147.70 0.00 0.00 0.00 0.00 17:30:10 ens3 36.47 27.42 444.58 3.58 0.00 0.00 0.00 0.00 17:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 78.79 78.79 74.77 74.77 0.00 0.00 0.00 0.00 Average: ens3 61.36 48.44 712.93 6.82 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-27380) 06/14/26 _x86_64_ (4 CPU) 17:09:21 LINUX RESTART (4 CPU) 17:10:06 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 49.11 0.00 1.19 0.20 0.08 49.42 17:20:01 0 46.95 0.00 1.18 0.37 0.08 51.42 17:20:01 1 60.62 0.00 1.15 0.09 0.07 38.06 17:20:01 2 41.64 0.00 1.20 0.11 0.08 56.97 17:20:01 3 47.22 0.00 1.23 0.24 0.07 51.23 17:30:10 all 48.02 0.00 0.79 0.03 0.07 51.09 17:30:10 0 43.68 0.00 0.83 0.01 0.07 55.41 17:30:10 1 66.09 0.00 0.69 0.01 0.08 33.13 17:30:10 2 47.49 0.00 0.92 0.07 0.08 51.44 17:30:10 3 34.81 0.00 0.71 0.04 0.07 64.38 Average: all 48.56 0.00 0.99 0.12 0.08 50.26 Average: 0 45.30 0.00 1.00 0.19 0.07 53.44 Average: 1 63.39 0.00 0.92 0.05 0.08 35.57 Average: 2 44.60 0.00 1.06 0.09 0.08 54.17 Average: 3 40.94 0.00 0.97 0.14 0.07 57.88