---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-488700 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 635 8747 4 6606 15011 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:35:a4:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84514sec preferred_lft 84514sec inet6 fe80::f816:3eff:fe35:a4b3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:d9:49:da:0e:d8 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-488700) 03/16/26 _x86_64_ (4 CPU) 09:30:40 LINUX RESTART (4 CPU) 09:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:19 25.13 0.01 22.29 2.82 0.19 2241.94 14251.75 10:00:08 34.59 0.03 18.74 15.82 0.52 4021.19 281211.24 Average: 29.75 0.02 20.56 9.17 0.35 3110.60 144586.60 09:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:19 9087012 12822004 3135488 19.15 145480 3696352 3517256 20.19 734372 6150720 30588 10:00:08 8123688 12762316 3191012 19.49 160672 4550260 3229840 18.54 1018684 6754008 1724 Average: 8605350 12792160 3163250 19.32 153076 4123306 3373548 19.36 876528 6452364 16156 09:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:19 lo 1430.61 1430.61 1358.81 1358.81 0.00 0.00 0.00 0.00 09:50:19 ens3 28.86 24.41 37.65 7.46 0.00 0.00 0.00 0.00 09:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:08 lo 996.98 996.98 7691.13 7691.13 0.00 0.00 0.00 0.00 10:00:08 ens3 19.83 15.45 15.53 4.81 0.00 0.00 0.00 0.00 10:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1218.91 1218.91 4450.37 4450.37 0.00 0.00 0.00 0.00 Average: ens3 24.45 20.03 26.85 6.17 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-488700) 03/16/26 _x86_64_ (4 CPU) 09:30:40 LINUX RESTART (4 CPU) 09:40:02 CPU %user %nice %system %iowait %steal %idle 09:50:19 all 67.14 0.00 2.35 0.04 0.11 30.36 09:50:19 0 65.14 0.00 2.48 0.04 0.11 32.23 09:50:19 1 67.92 0.00 2.05 0.05 0.11 29.87 09:50:19 2 67.78 0.00 2.53 0.03 0.10 29.56 09:50:19 3 67.74 0.00 2.33 0.07 0.11 29.76 10:00:08 all 48.74 0.00 1.75 0.13 0.09 49.30 10:00:08 0 44.25 0.00 1.71 0.17 0.09 53.77 10:00:08 1 51.55 0.00 1.92 0.14 0.09 46.29 10:00:08 2 45.40 0.00 1.78 0.06 0.09 52.66 10:00:08 3 53.73 0.00 1.57 0.12 0.09 44.49 Average: all 58.15 0.00 2.05 0.08 0.10 39.61 Average: 0 54.95 0.00 2.11 0.10 0.10 42.75 Average: 1 59.93 0.00 1.99 0.09 0.10 37.89 Average: 2 56.85 0.00 2.16 0.05 0.10 40.84 Average: 3 60.89 0.00 1.96 0.09 0.10 36.96