---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-427639 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: 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 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 673 9378 4 5937 14973 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:f4:35:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84769sec preferred_lft 84769sec inet6 fe80::f816:3eff:fef4:359f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:08:43:33:52:04 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-427639) 03/10/26 _x86_64_ (4 CPU) 13:54:09 LINUX RESTART (4 CPU) 14:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:43 10.66 0.03 8.96 1.67 0.76 768.25 35821.34 14:20:11 38.18 0.34 33.01 4.84 10.40 8495.15 39236.62 Average: 23.65 0.17 20.31 3.17 5.31 4415.63 37433.48 14:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:43 9773596 13341808 2616360 15.98 129528 3562560 2877112 16.51 810340 5397732 12188 14:20:11 9736320 15450072 497084 3.04 167532 5568332 1004248 5.76 1695928 4416232 7656 Average: 9754958 14395940 1556722 9.51 148530 4565446 1940680 11.14 1253134 4906982 9922 14:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:43 lo 50.82 50.82 12.75 12.75 0.00 0.00 0.00 0.00 14:10:43 ens3 7.76 6.45 7.63 1.88 0.00 0.00 0.00 0.00 14:10:43 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:11 lo 2563.84 2563.84 2466.51 2466.51 0.00 0.00 0.00 0.00 14:20:11 ens3 58.16 44.70 486.19 9.63 0.00 0.00 0.00 0.00 14:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1237.06 1237.06 1171.02 1171.02 0.00 0.00 0.00 0.00 Average: ens3 31.55 24.51 233.53 5.54 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-427639) 03/10/26 _x86_64_ (4 CPU) 13:54:09 LINUX RESTART (4 CPU) 14:00:08 CPU %user %nice %system %iowait %steal %idle 14:10:43 all 19.55 0.00 0.85 0.47 0.08 79.05 14:10:43 0 19.11 0.00 0.98 1.36 0.08 78.47 14:10:43 1 19.84 0.00 0.79 0.12 0.08 79.17 14:10:43 2 19.90 0.00 0.84 0.29 0.09 78.88 14:10:43 3 19.33 0.00 0.79 0.10 0.08 79.70 14:20:11 all 54.50 0.00 2.70 0.40 0.09 42.32 14:20:11 0 52.96 0.00 2.28 0.40 0.09 44.27 14:20:11 1 54.87 0.00 2.43 0.41 0.09 42.19 14:20:11 2 54.60 0.00 3.02 0.27 0.09 42.01 14:20:11 3 55.56 0.00 3.04 0.52 0.08 40.80 Average: all 36.03 0.00 1.72 0.43 0.09 61.73 Average: 0 35.08 0.00 1.60 0.90 0.08 62.34 Average: 1 36.36 0.00 1.56 0.25 0.09 61.74 Average: 2 36.25 0.00 1.87 0.28 0.09 61.51 Average: 3 36.42 0.00 1.85 0.30 0.08 61.35