---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19488 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: 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 12G 66G 15% / 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 689 9353 4 5946 14957 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:3d:82:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.138/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84553sec preferred_lft 84553sec inet6 fe80::f816:3eff:fe3d:82cf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:85:0a:20:4f:d5 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-19488) 05/24/26 _x86_64_ (4 CPU) 01:06:21 LINUX RESTART (4 CPU) 01:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 23.66 0.68 20.03 2.95 24.74 3045.87 56439.15 01:30:10 22.79 0.16 19.48 3.15 4.81 1815.41 23717.49 Average: 23.22 0.41 19.75 3.05 14.66 2423.64 39892.10 01:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9768784 13283356 2675624 16.34 130104 3500712 2954220 16.96 676688 5529308 52 01:30:10 9446072 13361212 2594292 15.84 151708 3850680 2744860 15.76 811956 5688596 17108 Average: 9607428 13322284 2634958 16.09 140906 3675696 2849540 16.36 744322 5608952 8580 01:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 28.96 28.96 6.80 6.80 0.00 0.00 0.00 0.00 01:20:01 ens3 36.53 26.38 145.08 6.96 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:10 lo 1353.38 1353.38 1265.81 1265.81 0.00 0.00 0.00 0.00 01:30:10 ens3 43.34 31.28 262.48 8.24 0.00 0.00 0.00 0.00 01:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 698.71 698.71 643.47 643.47 0.00 0.00 0.00 0.00 Average: ens3 39.98 28.85 204.45 7.60 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-19488) 05/24/26 _x86_64_ (4 CPU) 01:06:21 LINUX RESTART (4 CPU) 01:10:06 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 34.06 0.00 1.22 0.10 0.09 64.52 01:20:01 0 34.63 0.00 1.54 0.10 0.09 63.63 01:20:01 1 34.19 0.00 1.31 0.21 0.09 64.19 01:20:01 2 33.68 0.00 1.03 0.04 0.09 65.16 01:20:01 3 33.75 0.00 1.01 0.05 0.09 65.10 01:30:10 all 31.07 0.00 1.64 0.31 0.09 66.89 01:30:10 0 31.55 0.00 1.76 0.06 0.09 66.55 01:30:10 1 31.68 0.00 1.52 0.07 0.09 66.63 01:30:10 2 31.22 0.00 1.74 0.95 0.09 66.00 01:30:10 3 29.85 0.00 1.55 0.14 0.09 68.37 Average: all 32.55 0.00 1.44 0.20 0.09 65.72 Average: 0 33.07 0.00 1.65 0.08 0.09 65.11 Average: 1 32.92 0.00 1.42 0.14 0.09 65.42 Average: 2 32.44 0.00 1.39 0.50 0.09 65.58 Average: 3 31.78 0.00 1.28 0.10 0.09 66.75