---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53220 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: 5600.00 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 639 8838 4 6511 15007 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:36:f9:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84550sec preferred_lft 84550sec inet6 fe80::f816:3eff:fe36:f95b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:5d:00:cd:a3:d9 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-53220) 03/26/26 _x86_64_ (4 CPU) 14:54:33 LINUX RESTART (4 CPU) 15:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:21 22.04 0.06 19.67 2.31 6.16 2084.11 5382.66 15:20:01 27.88 0.03 25.05 2.80 0.81 4333.91 10813.82 Average: 24.87 0.04 22.28 2.55 3.57 3174.71 8015.44 15:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:21 9041012 12649464 3307924 20.20 143200 3580316 3398828 19.51 706244 6204536 15808 15:20:01 5872212 10471636 5481960 33.48 159696 4511696 5449632 31.28 990180 9050564 11196 Average: 7456612 11560550 4394942 26.84 151448 4046006 4424230 25.40 848212 7627550 13502 15:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:21 lo 1087.87 1087.87 1030.05 1030.05 0.00 0.00 0.00 0.00 15:10:21 ens3 25.23 21.81 19.20 6.83 0.00 0.00 0.00 0.00 15:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 1070.54 1070.54 1062.04 1062.04 0.00 0.00 0.00 0.00 15:20:01 ens3 26.71 22.65 44.79 6.73 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1079.47 1079.47 1045.56 1045.56 0.00 0.00 0.00 0.00 Average: ens3 25.95 22.22 31.61 6.78 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-53220) 03/26/26 _x86_64_ (4 CPU) 14:54:33 LINUX RESTART (4 CPU) 15:00:05 CPU %user %nice %system %iowait %steal %idle 15:10:21 all 67.32 0.00 2.23 0.18 0.10 30.16 15:10:21 0 66.93 0.00 2.43 0.08 0.10 30.47 15:10:21 1 68.14 0.00 2.20 0.42 0.10 29.13 15:10:21 2 66.48 0.00 2.32 0.14 0.10 30.96 15:10:21 3 67.74 0.00 1.99 0.10 0.10 30.07 15:20:01 all 56.01 0.00 2.19 0.14 0.09 41.57 15:20:01 0 53.12 0.00 2.00 0.10 0.09 44.69 15:20:01 1 55.16 0.00 2.39 0.06 0.09 42.30 15:20:01 2 58.93 0.00 2.26 0.16 0.09 38.56 15:20:01 3 56.85 0.00 2.12 0.24 0.09 40.71 Average: all 61.84 0.00 2.21 0.16 0.09 35.69 Average: 0 60.24 0.00 2.22 0.09 0.09 37.36 Average: 1 61.84 0.00 2.29 0.24 0.10 35.52 Average: 2 62.82 0.00 2.29 0.15 0.09 34.64 Average: 3 62.46 0.00 2.05 0.16 0.09 35.23