---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9519 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 653 9944 4 5391 14993 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:18:6b:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84535sec preferred_lft 84535sec inet6 fe80::f816:3eff:fe18:6b35/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:b3:0b:37:8d:97 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-9519) 02/11/26 _x86_64_ (4 CPU) 14:01:18 LINUX RESTART (4 CPU) 14:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:09 10.41 0.01 8.88 1.51 0.09 692.36 28317.20 14:30:09 54.00 0.40 34.81 18.79 21.01 6374.42 257044.08 Average: 32.21 0.21 21.85 10.15 10.56 3535.14 142751.10 14:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:09 9430464 12993372 2965140 18.11 153124 3542072 3238652 18.59 865780 5699724 1564 14:30:09 10263892 15429800 520824 3.18 183984 5034900 1038444 5.96 1498788 4134276 11488 Average: 9847178 14211586 1742982 10.65 168554 4288486 2138548 12.28 1182284 4917000 6526 14:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:09 lo 53.91 53.91 13.66 13.66 0.00 0.00 0.00 0.00 14:20:09 ens3 4.32 3.92 3.65 1.20 0.00 0.00 0.00 0.00 14:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:09 lo 2140.89 2140.89 2063.31 2063.31 0.00 0.00 0.00 0.00 14:30:09 ens3 65.73 50.56 458.91 44.91 0.00 0.00 0.00 0.00 14:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1098.04 1098.04 1039.12 1039.12 0.00 0.00 0.00 0.00 Average: ens3 35.04 27.26 231.42 23.07 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-9519) 02/11/26 _x86_64_ (4 CPU) 14:01:18 LINUX RESTART (4 CPU) 14:10:08 CPU %user %nice %system %iowait %steal %idle 14:20:09 all 15.59 0.00 0.78 0.07 0.09 83.46 14:20:09 0 16.16 0.00 0.76 0.03 0.09 82.96 14:20:09 1 15.11 0.00 0.80 0.05 0.09 83.96 14:20:09 2 15.75 0.00 0.89 0.06 0.09 83.20 14:20:09 3 15.36 0.00 0.68 0.14 0.10 83.73 14:30:09 all 48.23 0.00 2.53 1.67 0.09 47.48 14:30:09 0 45.55 0.00 2.32 1.11 0.09 50.92 14:30:09 1 50.43 0.00 2.33 0.28 0.09 46.86 14:30:09 2 48.15 0.00 2.53 2.52 0.08 46.72 14:30:09 3 48.77 0.00 2.94 2.78 0.09 45.42 Average: all 31.91 0.00 1.66 0.87 0.09 65.47 Average: 0 30.87 0.00 1.54 0.57 0.09 66.93 Average: 1 32.77 0.00 1.57 0.17 0.09 65.41 Average: 2 31.94 0.00 1.71 1.29 0.09 64.97 Average: 3 32.05 0.00 1.81 1.46 0.09 64.59