---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66055 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 681 11033 4 4274 14965 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:0f:20:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84746sec preferred_lft 84746sec inet6 fe80::f816:3eff:fe0f:2082/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:59:e4:c3:ad:b7 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-66055) 04/02/26 _x86_64_ (4 CPU) 21:55:27 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:08 47.65 2.56 37.44 7.64 142.15 4486.23 6193.31 22:20:14 41.63 0.31 22.39 18.93 11.91 3090.53 240685.99 Average: 44.64 1.44 29.91 13.29 77.02 3788.29 123454.15 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:08 10499180 13898440 2060004 12.58 166544 3341872 2234312 12.82 604128 4872168 90516 22:20:14 11372952 15386204 568388 3.47 201584 3874460 1103236 6.33 790916 3744084 28 Average: 10936066 14642322 1314196 8.03 184064 3608166 1668774 9.58 697522 4308126 45272 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:08 lo 4019.24 4019.24 3832.91 3832.91 0.00 0.00 0.00 0.00 22:10:08 ens3 160.63 126.03 756.75 32.78 0.00 0.00 0.00 0.00 22:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:14 lo 1971.63 1971.63 1869.89 1869.89 0.00 0.00 0.00 0.00 22:20:14 ens3 96.41 87.87 113.28 131.55 0.00 0.00 0.00 0.00 22:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2995.31 2995.31 2851.28 2851.28 0.00 0.00 0.00 0.00 Average: ens3 128.52 106.95 434.98 82.17 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-66055) 04/02/26 _x86_64_ (4 CPU) 21:55:27 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:08 all 63.77 0.00 3.71 0.10 0.09 32.34 22:10:08 0 63.54 0.00 3.48 0.09 0.09 32.81 22:10:08 1 64.61 0.00 3.95 0.12 0.09 31.24 22:10:08 2 62.50 0.00 3.50 0.10 0.08 33.82 22:10:08 3 64.43 0.00 3.92 0.08 0.08 31.49 22:20:14 all 33.00 0.00 1.95 0.09 0.06 64.90 22:20:14 0 31.40 0.00 1.69 0.03 0.06 66.81 22:20:14 1 33.83 0.00 2.09 0.15 0.06 63.87 22:20:14 2 36.37 0.00 2.32 0.04 0.06 61.21 22:20:14 3 30.40 0.00 1.68 0.13 0.06 67.72 Average: all 48.37 0.00 2.83 0.09 0.07 48.63 Average: 0 47.45 0.00 2.58 0.06 0.07 49.83 Average: 1 49.20 0.00 3.02 0.13 0.07 47.57 Average: 2 49.43 0.00 2.91 0.07 0.07 47.52 Average: 3 47.42 0.00 2.80 0.10 0.07 49.60