---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1803 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 682 10473 4 4833 14964 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:83:6b:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84109sec preferred_lft 84109sec inet6 fe80::f816:3eff:fe83:6bf4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:45:68:ac:26:56 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-1803) 08/03/26 _x86_64_ (4 CPU) 15:26:26 LINUX RESTART (4 CPU) 15:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:00 1.98 0.04 1.93 0.02 2.21 50.27 78.03 15:50:00 14.20 2.03 11.16 1.01 130.56 3037.96 2041.25 16:00:00 44.68 0.91 24.95 18.82 33.31 4377.63 241058.40 Average: 20.29 1.00 12.68 6.61 55.36 2488.62 81059.23 15:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:00 13030624 15506364 468144 2.86 99372 2565272 997252 5.72 338944 2672764 180 15:50:00 10592840 14037816 1921436 11.74 139504 3418080 2244636 12.88 584932 4802096 34212 16:00:00 10791944 15381864 569884 3.48 173128 4446652 1107004 6.35 903208 4174432 30400 Average: 11471803 14975348 986488 6.03 137335 3476668 1449631 8.32 609028 3883097 21597 15:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:00 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 15:40:00 ens3 19.11 15.67 256.08 1.76 0.00 0.00 0.00 0.00 15:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:00 lo 1.34 1.34 0.13 0.13 0.00 0.00 0.00 0.00 15:50:00 ens3 97.71 76.93 592.38 20.01 0.00 0.00 0.00 0.00 15:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:00 lo 1773.75 1773.75 1690.06 1690.06 0.00 0.00 0.00 0.00 16:00:00 ens3 89.70 66.63 422.78 35.55 0.00 0.00 0.00 0.00 16:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 591.73 591.73 563.40 563.40 0.00 0.00 0.00 0.00 Average: ens3 68.84 53.08 423.75 19.11 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-1803) 08/03/26 _x86_64_ (4 CPU) 15:26:26 LINUX RESTART (4 CPU) 15:30:00 CPU %user %nice %system %iowait %steal %idle 15:40:00 all 0.27 0.00 0.07 0.01 0.02 99.63 15:40:00 0 0.08 0.00 0.04 0.03 0.01 99.83 15:40:00 1 0.32 0.00 0.10 0.01 0.03 99.55 15:40:00 2 0.07 0.00 0.05 0.02 0.01 99.85 15:40:00 3 0.62 0.00 0.08 0.00 0.03 99.27 15:50:00 all 69.86 0.00 2.34 0.04 0.08 27.67 15:50:00 0 72.24 0.00 2.25 0.04 0.08 25.39 15:50:00 1 70.64 0.00 2.41 0.03 0.09 26.83 15:50:00 2 71.29 0.00 2.52 0.06 0.08 26.05 15:50:00 3 65.27 0.00 2.19 0.05 0.09 32.41 16:00:00 all 66.34 0.00 2.87 0.09 0.09 30.61 16:00:00 0 67.28 0.00 2.76 0.14 0.09 29.74 16:00:00 1 67.74 0.00 3.23 0.07 0.10 28.87 16:00:00 2 65.72 0.00 2.74 0.11 0.09 31.34 16:00:00 3 64.61 0.00 2.75 0.06 0.09 32.49 Average: all 45.45 0.00 1.76 0.05 0.07 52.68 Average: 0 46.49 0.00 1.68 0.07 0.06 51.70 Average: 1 46.18 0.00 1.91 0.04 0.07 51.80 Average: 2 45.65 0.00 1.77 0.06 0.06 52.46 Average: 3 43.47 0.00 1.67 0.04 0.07 54.76