---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8246 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 703 10266 4 5020 14943 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:3b:18:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84628sec preferred_lft 84628sec inet6 fe80::f816:3eff:fe3b:18e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:ab:77:ae:4b:d6 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-8246) 02/06/26 _x86_64_ (4 CPU) 14:41:00 LINUX RESTART (4 CPU) 14:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:19 11.35 0.51 9.76 1.08 17.41 2544.06 3203.39 15:10:19 29.45 0.60 24.26 4.59 25.61 3715.88 3438.75 Average: 20.26 0.55 16.90 2.81 21.45 3120.93 3319.25 14:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:19 9394504 13257396 2698060 16.48 149788 3807320 2959456 16.99 847236 5717492 22528 15:10:19 10540544 15324824 624268 3.81 173580 4646468 1143728 6.56 1103416 4252540 12440 Average: 9967524 14291110 1661164 10.15 161684 4226894 2051592 11.78 975326 4985016 17484 14:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:19 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 15:00:19 ens3 68.50 53.59 136.88 17.42 0.00 0.00 0.00 0.00 15:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:19 lo 1590.35 1590.35 1505.08 1505.08 0.00 0.00 0.00 0.00 15:10:19 ens3 123.10 105.38 417.17 198.05 0.00 0.00 0.00 0.00 15:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 783.61 783.61 741.00 741.00 0.00 0.00 0.00 0.00 Average: ens3 95.38 79.08 274.87 106.34 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-8246) 02/06/26 _x86_64_ (4 CPU) 14:41:00 LINUX RESTART (4 CPU) 14:50:01 CPU %user %nice %system %iowait %steal %idle 15:00:19 all 73.89 0.00 2.25 0.06 0.11 23.69 15:00:19 0 72.50 0.00 2.01 0.03 0.11 25.35 15:00:19 1 72.97 0.00 2.41 0.07 0.11 24.43 15:00:19 2 78.11 0.00 2.50 0.07 0.12 19.20 15:00:19 3 71.99 0.00 2.08 0.06 0.11 25.75 15:10:19 all 42.13 0.00 2.05 0.12 0.08 55.62 15:10:19 0 42.42 0.00 1.92 0.05 0.08 55.54 15:10:19 1 42.48 0.00 2.19 0.12 0.09 55.12 15:10:19 2 43.97 0.00 2.24 0.10 0.08 53.60 15:10:19 3 39.64 0.00 1.84 0.20 0.08 58.24 Average: all 58.25 0.00 2.15 0.09 0.10 39.42 Average: 0 57.68 0.00 1.96 0.04 0.10 40.22 Average: 1 57.95 0.00 2.30 0.10 0.10 39.55 Average: 2 61.29 0.00 2.37 0.09 0.10 36.15 Average: 3 56.07 0.00 1.96 0.13 0.09 41.74