---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19671 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 15% / 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 623 9194 4 6171 15022 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:f9:9c:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84729sec preferred_lft 84729sec inet6 fe80::f816:3eff:fef9:9c25/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:bc:5a:1c:23:34 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-19671) 02/21/26 _x86_64_ (4 CPU) 17:29:19 LINUX RESTART (4 CPU) 17:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:01 33.82 4.86 27.23 1.73 863.60 5002.07 18564.74 17:50:08 6.12 0.21 5.53 0.38 6.81 2759.62 1157.45 Average: 19.81 2.51 16.25 1.05 430.19 3867.73 9759.26 17:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:01 10627712 14015924 1944196 11.87 123544 3417660 2267352 13.01 750876 4637760 23764 17:50:08 8362440 12556376 3398736 20.76 137972 4167944 3571584 20.50 1056252 6536848 1624 Average: 9495076 13286150 2671466 16.32 130758 3792802 2919468 16.76 903564 5587304 12694 17:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:01 lo 8.85 8.85 1.34 1.34 0.00 0.00 0.00 0.00 17:40:01 ens3 108.58 84.75 946.10 56.18 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:08 lo 9.81 9.81 3.76 3.76 0.00 0.00 0.00 0.00 17:50:08 ens3 52.45 44.92 30.69 435.33 0.00 0.00 0.00 0.00 17:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.33 9.33 2.56 2.56 0.00 0.00 0.00 0.00 Average: ens3 80.19 64.60 483.04 247.97 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-19671) 02/21/26 _x86_64_ (4 CPU) 17:29:19 LINUX RESTART (4 CPU) 17:30:07 CPU %user %nice %system %iowait %steal %idle 17:40:01 all 44.59 0.00 1.63 3.12 0.09 50.58 17:40:01 0 43.67 0.00 1.68 1.99 0.09 52.58 17:40:01 1 43.04 0.00 1.49 8.71 0.08 46.67 17:40:01 2 48.61 0.00 1.81 1.14 0.09 48.36 17:40:01 3 43.03 0.00 1.53 0.65 0.09 54.71 17:50:08 all 46.23 0.00 1.45 0.08 0.09 52.15 17:50:08 0 45.15 0.00 1.33 0.04 0.09 53.39 17:50:08 1 44.58 0.00 1.39 0.04 0.09 53.90 17:50:08 2 48.27 0.00 1.47 0.18 0.09 49.99 17:50:08 3 46.91 0.00 1.62 0.05 0.09 51.33 Average: all 45.42 0.00 1.54 1.58 0.09 51.37 Average: 0 44.42 0.00 1.51 1.00 0.09 52.99 Average: 1 43.82 0.00 1.44 4.33 0.09 50.32 Average: 2 48.44 0.00 1.64 0.65 0.09 49.18 Average: 3 44.99 0.00 1.57 0.35 0.09 53.00