---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-469000 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.94 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 66G 16% / 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 632 9024 4 6331 15013 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:7f:ca:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84049sec preferred_lft 84049sec inet6 fe80::f816:3eff:fe7f:cacb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:21:e2:b5:0b:1f 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-469000) 03/14/26 _x86_64_ (4 CPU) 05:21:22 LINUX RESTART (4 CPU) 05:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:08 22.15 0.07 19.39 2.70 6.51 2303.57 3708.44 05:50:11 46.73 0.03 29.79 16.90 0.61 4465.64 246893.72 06:00:00 12.54 0.14 10.90 1.51 8.88 5713.60 38592.46 Average: 27.26 0.08 20.09 7.09 5.30 4154.97 97101.48 05:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:08 9803100 13378936 2579196 15.75 141120 3552064 2749288 15.78 696712 5483636 13864 05:50:11 8122596 12705312 3247824 19.84 160988 4492580 3289360 18.88 976660 6817988 6460 06:00:00 9276792 15402868 544824 3.33 179384 5967116 1081976 6.21 1566184 5017516 11372 Average: 9067496 13829039 2123948 12.97 160497 4670587 2373541 13.62 1079852 5773047 10565 05:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:08 lo 1340.28 1340.28 1270.77 1270.77 0.00 0.00 0.00 0.00 05:40:08 ens3 46.88 36.73 27.35 12.65 0.00 0.00 0.00 0.00 05:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:11 lo 1530.33 1530.33 1455.11 1455.11 0.00 0.00 0.00 0.00 05:50:11 ens3 42.81 33.32 38.73 11.40 0.00 0.00 0.00 0.00 05:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:00 lo 246.48 246.48 6960.41 6960.41 0.00 0.00 0.00 0.00 06:00:00 ens3 95.63 104.01 120.36 1023.47 0.00 0.00 0.00 0.00 06:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1044.00 1044.00 3206.97 3206.97 0.00 0.00 0.00 0.00 Average: ens3 61.57 57.74 61.82 345.19 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-469000) 03/14/26 _x86_64_ (4 CPU) 05:21:22 LINUX RESTART (4 CPU) 05:30:11 CPU %user %nice %system %iowait %steal %idle 05:40:08 all 66.62 0.00 2.42 0.06 0.08 30.82 05:40:08 0 66.05 0.00 2.64 0.06 0.09 31.16 05:40:08 1 67.95 0.00 2.36 0.04 0.08 29.58 05:40:08 2 65.37 0.00 2.22 0.09 0.08 32.24 05:40:08 3 67.11 0.00 2.46 0.03 0.08 30.32 05:50:11 all 63.14 0.00 2.68 0.11 0.09 33.99 05:50:11 0 62.67 0.00 2.99 0.15 0.09 34.11 05:50:11 1 63.13 0.00 2.60 0.16 0.08 34.03 05:50:11 2 64.36 0.00 2.73 0.09 0.09 32.73 05:50:11 3 62.41 0.00 2.38 0.06 0.08 35.07 06:00:00 all 27.31 0.00 0.94 0.16 0.07 71.52 06:00:00 0 20.27 0.00 0.99 0.05 0.07 78.62 06:00:00 1 31.47 0.00 0.96 0.04 0.06 67.46 06:00:00 2 23.15 0.00 0.72 0.12 0.07 75.94 06:00:00 3 34.39 0.00 1.11 0.42 0.07 64.02 Average: all 52.46 0.00 2.02 0.11 0.08 45.33 Average: 0 49.76 0.00 2.21 0.09 0.08 47.86 Average: 1 54.28 0.00 1.98 0.08 0.08 43.58 Average: 2 51.08 0.00 1.90 0.10 0.08 46.84 Average: 3 54.73 0.00 1.99 0.17 0.08 43.04