---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19237 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 67G 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 709 9572 4 5707 14937 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:bb:f5:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84523sec preferred_lft 84523sec inet6 fe80::f816:3eff:febb:f583/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:34:d1:9e:f3:fb 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-19237) 02/20/26 _x86_64_ (4 CPU) 06:26:29 LINUX RESTART (4 CPU) 06:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 45.59 3.13 26.29 16.17 568.21 5500.37 258723.60 06:50:18 35.46 0.07 31.94 3.45 1.49 5814.59 12969.67 Average: 40.38 1.55 29.20 9.63 276.74 5661.98 132327.79 06:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9226632 13057184 2897676 17.70 161208 3759192 3075004 17.65 843076 5862140 12384 06:50:18 7922816 13153300 2794896 17.07 188396 5058904 3004772 17.25 1141408 6815920 36172 Average: 8574724 13105242 2846286 17.38 174802 4409048 3039888 17.45 992242 6339030 24278 06:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 807.10 807.10 768.33 768.33 0.00 0.00 0.00 0.00 06:40:01 ens3 110.62 85.34 997.93 18.43 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:18 lo 1318.78 1318.78 1256.26 1256.26 0.00 0.00 0.00 0.00 06:50:18 ens3 62.00 47.80 212.93 13.93 0.00 0.00 0.00 0.00 06:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1070.27 1070.27 1019.28 1019.28 0.00 0.00 0.00 0.00 Average: ens3 85.61 66.03 594.19 16.12 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-19237) 02/20/26 _x86_64_ (4 CPU) 06:26:29 LINUX RESTART (4 CPU) 06:30:18 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 62.94 0.00 2.19 0.13 0.09 34.66 06:40:01 0 63.55 0.00 2.36 0.11 0.08 33.90 06:40:01 1 63.36 0.00 2.30 0.10 0.09 34.16 06:40:01 2 62.34 0.00 1.96 0.18 0.09 35.44 06:40:01 3 62.51 0.00 2.13 0.12 0.09 35.15 06:50:18 all 55.79 0.00 2.30 0.10 0.08 41.74 06:50:18 0 56.64 0.00 2.26 0.13 0.08 40.88 06:50:18 1 56.52 0.00 2.08 0.04 0.08 41.28 06:50:18 2 53.03 0.00 2.27 0.12 0.08 44.49 06:50:18 3 56.97 0.00 2.57 0.09 0.08 40.29 Average: all 59.26 0.00 2.24 0.11 0.08 38.30 Average: 0 60.00 0.00 2.31 0.12 0.08 37.49 Average: 1 59.84 0.00 2.19 0.07 0.08 37.82 Average: 2 57.55 0.00 2.12 0.15 0.09 40.09 Average: 3 59.66 0.00 2.36 0.10 0.09 37.79