---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53 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 12G 67G 15% / 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 773 9247 4 5967 14873 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:7c:5a:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.4/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83972sec preferred_lft 83972sec inet6 fe80::f816:3eff:fe7c:5aae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:2b:a1:a8:35:ca 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-53) 07/28/26 _x86_64_ (4 CPU) 20:24:14 LINUX RESTART (4 CPU) 20:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:03 18.49 0.79 16.25 1.46 25.38 4611.74 3840.72 20:50:03 55.99 0.00 44.93 11.06 0.00 3104.51 36518.89 21:00:03 28.85 0.14 24.00 4.71 9.80 4640.84 11779.25 Average: 34.44 0.31 28.38 5.74 11.73 4119.36 17370.60 20:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:03 8869972 13266556 2685320 16.40 185760 4256420 2959120 16.99 816808 6219292 270544 20:50:03 8429140 13139360 2808884 17.16 209620 4514564 3105764 17.83 904256 6531512 114096 21:00:03 9616604 15355948 588492 3.59 242256 5455936 1125564 6.46 1270660 4900376 164 Average: 8971905 13920621 2027565 12.38 212545 4742307 2396816 13.76 997241 5883727 128268 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:03 lo 285.82 285.82 271.56 271.56 0.00 0.00 0.00 0.00 20:40:03 ens3 94.62 68.82 334.30 19.74 0.00 0.00 0.00 0.00 20:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:03 lo 5557.75 5557.75 5299.92 5299.92 0.00 0.00 0.00 0.00 20:50:03 ens3 80.97 60.22 26.33 19.75 0.00 0.00 0.00 0.00 20:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:03 lo 2319.84 2319.84 2199.81 2199.81 0.00 0.00 0.00 0.00 21:00:03 ens3 95.47 87.97 115.10 137.66 0.00 0.00 0.00 0.00 21:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2719.51 2719.51 2588.89 2588.89 0.00 0.00 0.00 0.00 Average: ens3 90.36 72.33 158.69 59.03 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-53) 07/28/26 _x86_64_ (4 CPU) 20:24:14 LINUX RESTART (4 CPU) 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:40:03 all 69.59 0.00 2.45 0.05 0.09 27.83 20:40:03 0 70.01 0.00 2.28 0.04 0.09 27.58 20:40:03 1 72.04 0.00 2.72 0.04 0.08 25.11 20:40:03 2 66.69 0.00 2.24 0.05 0.09 30.94 20:40:03 3 69.62 0.00 2.55 0.05 0.09 27.70 20:50:03 all 61.78 0.00 4.34 0.11 0.08 33.69 20:50:03 0 62.52 0.00 4.11 0.11 0.08 33.18 20:50:03 1 61.09 0.00 4.20 0.09 0.08 34.53 20:50:03 2 61.58 0.00 4.39 0.08 0.09 33.86 20:50:03 3 61.93 0.00 4.66 0.16 0.08 33.17 21:00:03 all 44.90 0.00 2.55 0.11 0.08 52.36 21:00:03 0 46.26 0.00 2.50 0.09 0.08 51.08 21:00:03 1 44.60 0.00 2.36 0.06 0.08 52.91 21:00:03 2 46.41 0.00 2.68 0.15 0.08 50.67 21:00:03 3 42.33 0.00 2.68 0.13 0.07 54.79 Average: all 58.76 0.00 3.11 0.09 0.08 37.95 Average: 0 59.60 0.00 2.96 0.08 0.08 37.28 Average: 1 59.25 0.00 3.09 0.06 0.08 37.51 Average: 2 58.23 0.00 3.10 0.09 0.08 38.49 Average: 3 57.97 0.00 3.29 0.12 0.08 38.54