---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12940 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 11G 67G 14% / 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 651 10349 4 4988 14995 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:94:58:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84791sec preferred_lft 84791sec inet6 fe80::f816:3eff:fe94:5876/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:3c:1d:1c:ac:bb 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-12940) 02/17/26 _x86_64_ (4 CPU) 14:16:14 LINUX RESTART (4 CPU) 14:20:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:01 8.17 0.53 7.07 0.57 424.87 1280.15 28194.23 14:40:10 13.15 0.53 11.79 0.83 19.11 1902.62 5045.13 Average: 10.72 0.53 9.48 0.71 217.67 1598.01 16372.97 14:20:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:01 8379852 11555208 4406480 26.91 116900 3220488 4516120 25.92 619824 7025608 564 14:40:10 8932544 12833940 3123696 19.08 139812 3884340 3271976 18.78 834412 6217500 278644 Average: 8656198 12194574 3765088 23.00 128356 3552414 3894048 22.35 727118 6621554 139604 14:20:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:01 lo 0.68 0.68 0.39 0.39 0.00 0.00 0.00 0.00 14:30:01 ens3 24.22 17.12 295.40 2.82 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:10 lo 316.27 316.27 301.05 301.05 0.00 0.00 0.00 0.00 14:40:10 ens3 34.21 23.76 403.23 3.59 0.00 0.00 0.00 0.00 14:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 161.84 161.84 153.93 153.93 0.00 0.00 0.00 0.00 Average: ens3 29.33 20.51 350.47 3.21 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-12940) 02/17/26 _x86_64_ (4 CPU) 14:16:14 LINUX RESTART (4 CPU) 14:20:18 CPU %user %nice %system %iowait %steal %idle 14:30:01 all 47.58 0.00 0.82 0.15 0.10 51.35 14:30:01 0 41.42 0.00 0.87 0.19 0.10 57.42 14:30:01 1 44.81 0.00 0.90 0.23 0.10 53.97 14:30:01 2 45.97 0.00 0.70 0.16 0.09 53.08 14:30:01 3 58.15 0.00 0.81 0.02 0.11 40.92 14:40:10 all 50.65 0.00 1.08 0.13 0.10 48.04 14:40:10 0 63.18 0.00 1.36 0.10 0.11 35.24 14:40:10 1 49.60 0.00 1.08 0.15 0.10 49.07 14:40:10 2 43.70 0.00 0.92 0.18 0.09 55.10 14:40:10 3 46.14 0.00 0.96 0.08 0.09 52.73 Average: all 49.15 0.00 0.95 0.14 0.10 49.66 Average: 0 52.51 0.00 1.12 0.15 0.10 46.11 Average: 1 47.25 0.00 0.99 0.19 0.10 51.47 Average: 2 44.81 0.00 0.81 0.17 0.09 54.11 Average: 3 52.02 0.00 0.89 0.05 0.10 46.95