---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16908 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 665 11048 4 4275 14981 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:02:ed:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84776sec preferred_lft 84776sec inet6 fe80::f816:3eff:fe02:edd7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:71:33:63:f7:96 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-16908) 05/19/26 _x86_64_ (4 CPU) 20:53:21 LINUX RESTART (4 CPU) 21:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 60.03 2.60 36.42 21.01 143.93 4324.08 253881.37 21:20:07 33.78 0.33 27.25 6.19 14.47 3416.45 9450.98 Average: 46.73 1.45 31.77 13.50 78.33 3864.15 130017.88 21:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10509616 13886420 2073024 12.66 155544 3340792 2572948 14.77 578100 4904176 109188 21:20:07 11404684 15423988 530100 3.24 197012 3886192 1041640 5.98 798452 3697488 11092 Average: 10957150 14655204 1301562 7.95 176278 3613492 1807294 10.37 688276 4300832 60140 21:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 4006.31 4006.31 3820.14 3820.14 0.00 0.00 0.00 0.00 21:10:01 ens3 158.68 118.07 772.93 31.38 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:07 lo 2276.73 2276.73 2152.42 2152.42 0.00 0.00 0.00 0.00 21:20:07 ens3 123.72 120.53 129.88 183.22 0.00 0.00 0.00 0.00 21:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3129.86 3129.86 2975.03 2975.03 0.00 0.00 0.00 0.00 Average: ens3 140.96 119.32 447.07 108.33 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-16908) 05/19/26 _x86_64_ (4 CPU) 20:53:21 LINUX RESTART (4 CPU) 21:00:11 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 61.92 0.00 3.56 0.19 0.09 34.23 21:10:01 0 62.81 0.00 3.69 0.13 0.10 33.28 21:10:01 1 61.18 0.00 3.59 0.27 0.09 34.86 21:10:01 2 61.36 0.00 3.40 0.16 0.09 34.98 21:10:01 3 62.30 0.00 3.58 0.22 0.10 33.80 21:20:07 all 42.07 0.00 2.42 0.10 0.08 55.33 21:20:07 0 43.14 0.00 2.75 0.08 0.08 53.95 21:20:07 1 42.23 0.00 2.10 0.16 0.08 55.43 21:20:07 2 38.41 0.00 2.38 0.06 0.07 59.08 21:20:07 3 44.52 0.00 2.43 0.10 0.09 52.86 Average: all 51.87 0.00 2.98 0.15 0.09 44.91 Average: 0 52.86 0.00 3.21 0.10 0.09 43.74 Average: 1 51.59 0.00 2.84 0.21 0.09 45.27 Average: 2 49.74 0.00 2.88 0.11 0.08 47.19 Average: 3 53.31 0.00 3.00 0.16 0.10 43.44