---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24158 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: 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 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 728 10241 4 5019 14918 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:10:86:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84607sec preferred_lft 84607sec inet6 fe80::f816:3eff:fe10:86e0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:dd:8a:40:c8:cd 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-24158) 02/28/26 _x86_64_ (4 CPU) 12:55:19 LINUX RESTART (4 CPU) 13:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:08 40.76 0.49 23.54 16.73 17.49 4003.39 243401.33 13:20:07 53.28 0.01 41.41 11.86 0.05 2658.89 23322.57 Average: 47.01 0.25 32.47 14.29 8.78 3331.53 133426.20 13:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:08 9107452 13081428 2873068 17.55 174344 3871992 3101852 17.80 693056 6127280 107168 13:20:07 8755040 13022588 2927852 17.88 205096 4098120 3347864 19.22 772628 6359112 59340 Average: 8931246 13052008 2900460 17.71 189720 3985056 3224858 18.51 732842 6243196 83254 13:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:08 lo 1471.71 1471.71 1401.57 1401.57 0.00 0.00 0.00 0.00 13:10:08 ens3 86.13 63.95 300.78 18.56 0.00 0.00 0.00 0.00 13:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:07 lo 5143.48 5143.48 4901.98 4901.98 0.00 0.00 0.00 0.00 13:20:07 ens3 61.78 47.52 21.57 15.93 0.00 0.00 0.00 0.00 13:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3306.52 3306.52 3150.76 3150.76 0.00 0.00 0.00 0.00 Average: ens3 73.96 55.74 161.25 17.24 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-24158) 02/28/26 _x86_64_ (4 CPU) 12:55:19 LINUX RESTART (4 CPU) 13:00:08 CPU %user %nice %system %iowait %steal %idle 13:10:08 all 62.81 0.00 2.70 0.18 0.10 34.20 13:10:08 0 63.57 0.00 2.61 0.19 0.09 33.54 13:10:08 1 62.51 0.00 2.47 0.16 0.15 34.71 13:10:08 2 64.36 0.00 3.05 0.22 0.09 32.28 13:10:08 3 60.78 0.00 2.68 0.15 0.09 36.29 13:20:07 all 59.98 0.00 3.86 0.15 0.08 35.92 13:20:07 0 58.70 0.00 4.08 0.12 0.09 37.02 13:20:07 1 60.57 0.00 3.87 0.09 0.08 35.38 13:20:07 2 61.42 0.00 3.97 0.11 0.08 34.42 13:20:07 3 59.26 0.00 3.53 0.28 0.08 36.85 Average: all 61.40 0.00 3.28 0.17 0.09 35.06 Average: 0 61.13 0.00 3.35 0.15 0.09 35.28 Average: 1 61.54 0.00 3.17 0.13 0.12 35.05 Average: 2 62.89 0.00 3.51 0.17 0.09 33.35 Average: 3 60.02 0.00 3.11 0.22 0.09 36.57