---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26019 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 650 10459 4 4878 14995 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:00:ed:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83494sec preferred_lft 83494sec inet6 fe80::f816:3eff:fe00:ed62/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:7b:85:68:57:b1 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-26019) 06/09/26 _x86_64_ (4 CPU) 02:16:42 LINUX RESTART (4 CPU) 02:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:02 2.15 0.04 2.09 0.01 2.10 37.71 0.63 02:40:02 1.82 0.01 1.81 0.00 0.04 28.12 0.00 02:50:01 12.75 1.94 9.96 0.85 125.64 2750.15 1882.50 03:00:02 26.36 0.89 22.23 3.23 29.26 3381.41 4430.18 Average: 10.78 0.72 9.03 1.03 39.17 1549.15 1579.50 02:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:02 13079656 15550024 425392 2.60 97756 2562372 999092 5.73 335824 2645292 184 02:40:02 13052028 15523692 451548 2.76 98808 2562508 999252 5.74 336876 2658200 164 02:50:01 10208508 13547824 2412040 14.73 132044 3330056 2759200 15.84 557304 5228212 28024 03:00:02 8864464 13158492 2793172 17.06 170524 4160932 3198732 18.36 813380 6219440 64792 Average: 11301164 14445008 1520538 9.29 124783 3153967 1989069 11.42 510846 4187786 23291 02:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:02 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 02:30:02 ens3 6.59 5.72 104.69 0.74 0.00 0.00 0.00 0.00 02:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:40:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:40:02 ens3 5.21 3.67 64.82 0.54 0.00 0.00 0.00 0.00 02:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:01 lo 1.16 1.16 0.11 0.11 0.00 0.00 0.00 0.00 02:50:01 ens3 99.28 76.37 591.43 18.79 0.00 0.00 0.00 0.00 02:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:02 lo 1379.05 1379.05 1314.26 1314.26 0.00 0.00 0.00 0.00 03:00:02 ens3 81.45 60.40 399.57 16.78 0.00 0.00 0.00 0.00 03:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 345.96 345.96 329.42 329.42 0.00 0.00 0.00 0.00 Average: ens3 48.10 36.51 289.91 9.20 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-26019) 06/09/26 _x86_64_ (4 CPU) 02:16:42 LINUX RESTART (4 CPU) 02:20:01 CPU %user %nice %system %iowait %steal %idle 02:30:02 all 0.23 0.00 0.05 0.02 0.01 99.69 02:30:02 0 0.26 0.00 0.08 0.02 0.02 99.62 02:30:02 1 0.07 0.00 0.04 0.01 0.01 99.88 02:30:02 2 0.54 0.00 0.05 0.03 0.02 99.35 02:30:02 3 0.04 0.00 0.04 0.00 0.01 99.90 02:40:02 all 0.17 0.00 0.04 0.25 0.01 99.52 02:40:02 0 0.05 0.00 0.05 0.97 0.02 98.91 02:40:02 1 0.10 0.00 0.05 0.00 0.01 99.84 02:40:02 2 0.47 0.00 0.05 0.00 0.02 99.46 02:40:02 3 0.08 0.00 0.02 0.02 0.01 99.88 02:50:01 all 57.43 0.00 1.88 0.05 0.11 40.53 02:50:01 0 57.80 0.00 1.87 0.08 0.10 40.15 02:50:01 1 57.97 0.00 1.94 0.04 0.11 39.94 02:50:01 2 56.27 0.00 1.94 0.03 0.11 41.66 02:50:01 3 57.68 0.00 1.78 0.07 0.11 40.36 03:00:02 all 70.59 0.00 2.77 0.07 0.14 26.43 03:00:02 0 69.90 0.00 2.57 0.06 0.14 27.34 03:00:02 1 69.18 0.00 2.46 0.09 0.13 28.13 03:00:02 2 73.49 0.00 2.90 0.07 0.14 23.41 03:00:02 3 69.81 0.00 3.16 0.05 0.14 26.84 Average: all 32.06 0.00 1.19 0.10 0.07 66.59 Average: 0 31.96 0.00 1.14 0.28 0.07 66.55 Average: 1 31.79 0.00 1.12 0.03 0.06 66.99 Average: 2 32.63 0.00 1.23 0.03 0.07 66.04 Average: 3 31.85 0.00 1.25 0.04 0.07 66.80