---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6633 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 11G 68G 14% / 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 668 10603 4 4717 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:7c:be:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84358sec preferred_lft 84358sec inet6 fe80::f816:3eff:fe7c:be40/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:52:a4:3c:b9:c4 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-6633) 04/22/26 _x86_64_ (4 CPU) 09:11:59 LINUX RESTART (4 CPU) 09:20:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 14.36 2.04 11.41 0.91 131.94 2993.86 2252.64 09:40:01 27.08 0.77 22.97 3.33 27.83 4084.14 12918.89 Average: 20.91 1.38 17.37 2.16 78.27 3555.91 7751.27 09:20:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10624632 13882676 2077588 12.69 131128 3255208 2482596 14.25 553320 4820180 26160 09:40:01 8738080 13096640 2855336 17.44 165828 4241540 3566832 20.47 854212 6299680 11948 Average: 9681356 13489658 2466462 15.06 148478 3748374 3024714 17.36 703766 5559930 19054 09:20:36 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.21 1.21 0.12 0.12 0.00 0.00 0.00 0.00 09:30:01 ens3 97.99 76.78 631.85 19.75 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 1582.33 1582.33 1508.42 1508.42 0.00 0.00 0.00 0.00 09:40:01 ens3 85.72 63.79 427.96 23.35 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 816.30 816.30 777.67 777.67 0.00 0.00 0.00 0.00 Average: ens3 91.66 70.08 526.74 21.61 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-6633) 04/22/26 _x86_64_ (4 CPU) 09:11:59 LINUX RESTART (4 CPU) 09:20:36 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 62.58 0.00 2.06 0.48 0.13 34.75 09:30:01 0 65.37 0.00 1.74 0.38 0.13 32.38 09:30:01 1 62.99 0.00 2.13 0.45 0.13 34.30 09:30:01 2 60.71 0.00 2.12 0.77 0.13 36.27 09:30:01 3 61.25 0.00 2.22 0.33 0.13 36.06 09:40:01 all 68.38 0.00 2.78 0.14 0.15 28.55 09:40:01 0 69.76 0.00 2.85 0.07 0.14 27.18 09:40:01 1 68.85 0.00 2.79 0.06 0.15 28.16 09:40:01 2 68.09 0.00 2.70 0.17 0.15 28.89 09:40:01 3 66.82 0.00 2.80 0.24 0.15 29.99 Average: all 65.57 0.00 2.43 0.30 0.14 31.56 Average: 0 67.64 0.00 2.31 0.22 0.14 29.70 Average: 1 66.01 0.00 2.47 0.25 0.14 31.14 Average: 2 64.51 0.00 2.42 0.46 0.14 32.47 Average: 3 64.12 0.00 2.52 0.29 0.14 32.94