---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66743 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: 5599.99 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 13G 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 639 8797 4 6552 15007 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:13:6d:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84110sec preferred_lft 84110sec inet6 fe80::f816:3eff:fe13:6d3e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:94:ef:5f:ca:5f 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-66743) 04/05/26 _x86_64_ (4 CPU) 19:01:26 LINUX RESTART (4 CPU) 19:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:08 21.94 0.06 19.34 2.54 6.27 2116.69 9943.87 19:30:01 29.61 0.04 26.67 2.90 0.81 4337.73 14995.65 Average: 25.76 0.05 22.99 2.72 3.55 3221.12 12455.90 19:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:08 9553508 13181328 2776376 16.96 144436 3596236 3030128 17.39 714180 5712092 17160 19:30:01 8071296 12691200 3261948 19.92 163288 4525992 3249548 18.65 989068 6838804 1356 Average: 8812402 12936264 3019162 18.44 153862 4061114 3139838 18.02 851624 6275448 9258 19:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:08 lo 1116.40 1116.40 1056.84 1056.84 0.00 0.00 0.00 0.00 19:20:08 ens3 36.00 31.56 24.56 11.41 0.00 0.00 0.00 0.00 19:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1192.78 1192.78 1129.98 1129.98 0.00 0.00 0.00 0.00 19:30:01 ens3 45.10 34.76 50.14 11.92 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1154.38 1154.38 1093.21 1093.21 0.00 0.00 0.00 0.00 Average: ens3 40.53 33.15 37.28 11.66 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-66743) 04/05/26 _x86_64_ (4 CPU) 19:01:26 LINUX RESTART (4 CPU) 19:10:08 CPU %user %nice %system %iowait %steal %idle 19:20:08 all 67.34 0.00 2.21 0.11 0.11 30.24 19:20:08 0 65.74 0.00 2.11 0.13 0.11 31.92 19:20:08 1 68.31 0.00 2.49 0.10 0.11 29.00 19:20:08 2 67.97 0.00 2.10 0.16 0.11 29.66 19:20:08 3 67.34 0.00 2.12 0.04 0.12 30.38 19:30:01 all 56.25 0.00 2.24 0.24 0.10 41.16 19:30:01 0 57.45 0.00 2.27 0.31 0.10 39.86 19:30:01 1 57.40 0.00 2.14 0.07 0.10 40.29 19:30:01 2 55.41 0.00 2.24 0.13 0.10 42.11 19:30:01 3 54.76 0.00 2.30 0.46 0.10 42.38 Average: all 61.83 0.00 2.22 0.17 0.11 35.67 Average: 0 61.62 0.00 2.19 0.22 0.10 35.87 Average: 1 62.88 0.00 2.32 0.08 0.10 34.62 Average: 2 61.73 0.00 2.17 0.15 0.10 35.85 Average: 3 61.08 0.00 2.21 0.25 0.11 36.35