---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53513 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: 5599.99 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 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 675 8800 4 6513 14971 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:c9:c0:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84443sec preferred_lft 84443sec inet6 fe80::f816:3eff:fec9:c068/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:e1:45:ce:7c:47 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-53513) 03/27/26 _x86_64_ (4 CPU) 11:46:05 LINUX RESTART (4 CPU) 11:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:01 22.59 0.10 19.80 2.68 8.00 2251.43 4734.40 12:10:01 30.82 0.02 27.64 3.16 0.24 2847.50 12039.89 Average: 26.72 0.06 23.74 2.92 4.11 2550.46 8399.38 11:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:01 9503640 13056328 2901864 17.72 138376 3534164 3054380 17.53 689000 5795212 21244 12:10:01 8060180 12620848 3332580 20.35 161248 4473144 3365504 19.32 974504 6899984 487520 Average: 8781910 12838588 3117222 19.04 149812 4003654 3209942 18.43 831752 6347598 254382 11:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:01 lo 1376.18 1376.18 1305.49 1305.49 0.00 0.00 0.00 0.00 12:00:01 ens3 32.42 27.47 49.32 8.72 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 1421.97 1421.97 1353.84 1353.84 0.00 0.00 0.00 0.00 12:10:01 ens3 27.41 21.25 44.23 7.27 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1399.15 1399.15 1329.75 1329.75 0.00 0.00 0.00 0.00 Average: ens3 29.91 24.35 46.77 8.00 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-53513) 03/27/26 _x86_64_ (4 CPU) 11:46:05 LINUX RESTART (4 CPU) 11:50:06 CPU %user %nice %system %iowait %steal %idle 12:00:01 all 68.05 0.00 2.29 0.20 0.11 29.35 12:00:01 0 68.13 0.00 2.29 0.14 0.11 29.34 12:00:01 1 68.65 0.00 1.87 0.21 0.11 29.16 12:00:01 2 66.83 0.00 2.46 0.20 0.12 30.38 12:00:01 3 68.58 0.00 2.55 0.24 0.11 28.51 12:10:01 all 62.08 0.00 2.46 0.92 0.11 34.42 12:10:01 0 62.66 0.00 2.44 0.84 0.11 33.95 12:10:01 1 63.52 0.00 2.59 0.62 0.12 33.15 12:10:01 2 62.60 0.00 2.43 0.52 0.11 34.35 12:10:01 3 59.57 0.00 2.40 1.70 0.11 36.22 Average: all 65.06 0.00 2.38 0.56 0.11 31.89 Average: 0 65.39 0.00 2.36 0.49 0.11 31.65 Average: 1 66.08 0.00 2.23 0.42 0.11 31.16 Average: 2 64.71 0.00 2.45 0.36 0.12 32.37 Average: 3 64.06 0.00 2.47 0.98 0.11 32.38