---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4338 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 9.9G 68G 13% / 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 667 11057 4 4264 14978 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:01:8c:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84531sec preferred_lft 84531sec inet6 fe80::f816:3eff:fe01:8c9f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:30:c1:fe:3d:e1 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-4338) 04/18/26 _x86_64_ (4 CPU) 20:54:28 LINUX RESTART (4 CPU) 21:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:02 40.41 2.55 21.24 16.62 141.50 2869.16 256757.70 21:20:01 49.25 0.31 40.21 8.73 11.84 3791.94 19425.36 Average: 44.83 1.43 30.71 12.68 76.76 3329.92 138253.81 21:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:02 10915696 13950180 2012208 12.29 131496 3055416 2309328 13.26 504736 4608436 26788 21:20:01 11392908 15396768 559132 3.41 197396 3871108 1110740 6.38 786156 3741464 262788 Average: 11154302 14673474 1285670 7.85 164446 3463262 1710034 9.82 645446 4174950 144788 21:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:02 lo 1903.87 1903.87 1815.55 1815.55 0.00 0.00 0.00 0.00 21:10:02 ens3 99.46 75.72 766.05 17.21 0.00 0.00 0.00 0.00 21:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 lo 4280.39 4280.39 4080.71 4080.71 0.00 0.00 0.00 0.00 21:20:01 ens3 105.17 80.98 114.57 32.10 0.00 0.00 0.00 0.00 21:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3090.50 3090.50 2946.58 2946.58 0.00 0.00 0.00 0.00 Average: ens3 102.31 78.35 440.76 24.65 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-4338) 04/18/26 _x86_64_ (4 CPU) 20:54:28 LINUX RESTART (4 CPU) 21:00:02 CPU %user %nice %system %iowait %steal %idle 21:10:02 all 33.88 0.00 1.96 0.08 0.07 64.01 21:10:02 0 33.31 0.00 1.87 0.05 0.07 64.70 21:10:02 1 34.10 0.00 2.00 0.08 0.07 63.76 21:10:02 2 33.10 0.00 1.84 0.03 0.07 64.96 21:10:02 3 35.01 0.00 2.14 0.15 0.08 62.62 21:20:01 all 62.94 0.00 3.85 0.09 0.11 33.00 21:20:01 0 62.79 0.00 3.42 0.11 0.11 33.57 21:20:01 1 62.14 0.00 3.83 0.05 0.12 33.86 21:20:01 2 64.00 0.00 4.25 0.06 0.11 31.57 21:20:01 3 62.82 0.00 3.90 0.16 0.11 33.01 Average: all 48.37 0.00 2.90 0.09 0.09 48.55 Average: 0 48.01 0.00 2.64 0.08 0.09 49.18 Average: 1 48.08 0.00 2.91 0.06 0.09 48.85 Average: 2 48.50 0.00 3.04 0.05 0.09 48.32 Average: 3 48.88 0.00 3.02 0.16 0.09 47.85