---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37167 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.94 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 13G 66G 16% / 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 8681 4 6658 14997 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:fb:a1:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84311sec preferred_lft 84311sec inet6 fe80::f816:3eff:fefb:a1cb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:10:e8:3d:33:ad 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-37167) 03/25/26 _x86_64_ (4 CPU) 09:28:32 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:17 41.99 3.81 34.61 3.57 193.48 6054.92 5765.92 09:50:16 34.47 11.90 20.23 2.34 131.48 2058.13 15762.55 10:00:01 15.06 0.03 13.72 1.31 0.70 3511.65 13193.46 Average: 30.74 5.27 23.04 2.43 110.23 3898.32 11506.28 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:17 10010452 13532304 2425544 14.81 136332 3515968 2561960 14.71 688548 5293516 23932 09:50:16 8640520 12709444 3244680 19.82 158252 3990684 3392156 19.47 837668 6463476 135036 10:00:01 5414544 10181232 5770012 35.24 164288 4657384 5519344 31.68 1059344 9407612 14528 Average: 8021839 12140993 3813412 23.29 152957 4054679 3824487 21.95 861853 7054868 57832 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:17 lo 1547.68 1547.68 1469.44 1469.44 0.00 0.00 0.00 0.00 09:40:17 ens3 115.84 89.19 1085.53 15.73 0.00 0.00 0.00 0.00 09:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:16 lo 1167.12 1167.12 1111.81 1111.81 0.00 0.00 0.00 0.00 09:50:16 ens3 29.91 22.78 42.38 6.96 0.00 0.00 0.00 0.00 09:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 708.14 708.14 7506.60 7506.60 0.00 0.00 0.00 0.00 10:00:01 ens3 15.18 11.76 8.70 3.90 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1148.32 1148.32 3311.13 3311.13 0.00 0.00 0.00 0.00 Average: ens3 54.54 41.93 388.51 8.97 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-37167) 03/25/26 _x86_64_ (4 CPU) 09:28:32 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:17 all 66.12 0.00 2.70 0.35 0.17 30.65 09:40:17 0 66.25 0.00 2.83 0.28 0.15 30.49 09:40:17 1 65.36 0.00 2.65 0.56 0.22 31.20 09:40:17 2 66.66 0.00 2.89 0.32 0.17 29.96 09:40:17 3 66.23 0.00 2.42 0.23 0.15 30.96 09:50:16 all 64.61 0.08 2.33 0.88 0.15 31.96 09:50:16 0 65.63 0.04 2.21 0.45 0.17 31.50 09:50:16 1 64.07 0.03 2.47 1.17 0.14 32.12 09:50:16 2 64.59 0.21 2.43 0.57 0.14 32.06 09:50:16 3 64.14 0.06 2.19 1.33 0.14 32.15 10:00:01 all 43.75 0.00 1.49 1.40 0.11 53.25 10:00:01 0 45.86 0.00 1.48 1.19 0.13 51.34 10:00:01 1 48.31 0.00 1.69 1.78 0.11 48.11 10:00:01 2 39.11 0.00 1.54 1.60 0.10 57.64 10:00:01 3 41.71 0.00 1.23 1.04 0.10 55.92 Average: all 58.35 0.03 2.18 0.87 0.14 38.43 Average: 0 59.41 0.01 2.18 0.63 0.15 37.61 Average: 1 59.39 0.01 2.28 1.16 0.16 37.00 Average: 2 57.02 0.07 2.30 0.82 0.14 39.66 Average: 3 57.57 0.02 1.96 0.86 0.13 39.47