---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13742 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 68G 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 627 10649 4 4712 15019 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:bf:61:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84315sec preferred_lft 84315sec inet6 fe80::f816:3eff:febf:6199/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:46:59:09:43:9f 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-13742) 02/18/26 _x86_64_ (4 CPU) 10:57:05 LINUX RESTART (4 CPU) 11:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:04 16.62 0.41 3.25 12.96 403.09 394.90 243786.24 11:20:01 1.36 0.01 1.36 0.00 0.05 15.45 0.00 11:30:01 67.82 4.93 60.41 2.48 280.45 7463.74 3959.38 Average: 28.64 1.79 21.69 5.17 228.58 2626.92 82980.60 11:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:04 13571800 15523824 492616 3.01 57124 2120208 1139640 6.54 335404 2218540 176 11:20:01 13569604 15522212 494244 3.02 57556 2120352 1139832 6.54 335844 2223564 268 11:30:01 10933008 15400120 558416 3.41 129436 4457400 1096056 6.29 917652 4134776 467592 Average: 12691471 15482052 515092 3.15 81372 2899320 1125176 6.46 529633 2858960 156012 11:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:04 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 11:10:04 ens3 5.50 2.65 126.86 0.31 0.00 0.00 0.00 0.00 11:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:20:01 ens3 1.06 0.41 0.34 0.81 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 353.62 353.62 331.58 331.58 0.00 0.00 0.00 0.00 11:30:01 ens3 137.29 109.99 1170.64 32.51 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 118.02 118.02 110.60 110.60 0.00 0.00 0.00 0.00 Average: ens3 47.99 37.71 433.07 11.22 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-13742) 02/18/26 _x86_64_ (4 CPU) 10:57:05 LINUX RESTART (4 CPU) 11:00:01 CPU %user %nice %system %iowait %steal %idle 11:10:04 all 0.35 0.00 0.09 0.14 0.02 99.39 11:10:04 0 0.18 0.00 0.10 0.40 0.01 99.30 11:10:04 1 0.23 0.00 0.07 0.07 0.01 99.60 11:10:04 2 0.59 0.00 0.09 0.08 0.04 99.20 11:10:04 3 0.41 0.00 0.09 0.02 0.02 99.47 11:20:01 all 0.29 0.00 0.03 0.01 0.02 99.65 11:20:01 0 0.06 0.00 0.03 0.02 0.02 99.87 11:20:01 1 0.10 0.00 0.03 0.03 0.01 99.83 11:20:01 2 0.96 0.00 0.05 0.00 0.03 98.96 11:20:01 3 0.03 0.00 0.02 0.01 0.01 99.93 11:30:01 all 47.30 0.00 1.97 0.40 0.08 50.25 11:30:01 0 51.46 0.00 1.99 0.62 0.08 45.86 11:30:01 1 46.11 0.00 2.18 0.47 0.08 51.17 11:30:01 2 44.93 0.00 1.71 0.25 0.08 53.03 11:30:01 3 46.71 0.00 1.99 0.25 0.08 50.98 Average: all 15.93 0.00 0.69 0.18 0.04 83.15 Average: 0 17.21 0.00 0.71 0.35 0.04 81.70 Average: 1 15.44 0.00 0.76 0.19 0.03 83.58 Average: 2 15.44 0.00 0.61 0.11 0.05 83.79 Average: 3 15.65 0.00 0.70 0.09 0.04 83.53