---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28746 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 710 9104 4 6174 14936 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:28:9e:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84477sec preferred_lft 84477sec inet6 fe80::f816:3eff:fe28:9eff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:e2:27:8b:58:a9 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-28746) 06/20/26 _x86_64_ (4 CPU) 01:06:19 LINUX RESTART (4 CPU) 01:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 38.58 1.07 20.71 16.81 431.63 3520.67 275070.76 01:30:08 22.90 0.16 19.75 2.99 4.84 1707.05 31911.72 Average: 30.65 0.61 20.22 9.82 215.71 2603.15 152055.82 01:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9336452 13084360 2873468 17.55 133992 3725736 3117808 17.90 820360 5811164 240 01:30:08 8744496 12980832 2973352 18.16 155088 4160368 3149812 18.08 959820 6234584 124672 Average: 9040474 13032596 2923410 17.85 144540 3943052 3133810 17.99 890090 6022874 62456 01:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 28.25 28.25 6.52 6.52 0.00 0.00 0.00 0.00 01:20:01 ens3 32.93 24.40 274.93 6.34 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 01:30:08 lo 1348.45 1348.45 1259.88 1259.88 0.00 0.00 0.00 0.00 01:30:08 ens3 39.45 27.25 261.59 6.84 0.00 0.00 0.00 0.00 01:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 696.15 696.15 640.60 640.60 0.00 0.00 0.00 0.00 Average: ens3 36.23 25.84 268.18 6.59 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-28746) 06/20/26 _x86_64_ (4 CPU) 01:06:19 LINUX RESTART (4 CPU) 01:10:08 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 35.31 0.00 1.35 0.14 0.09 63.11 01:20:01 0 33.72 0.00 1.25 0.08 0.09 64.86 01:20:01 1 36.46 0.00 1.36 0.19 0.09 61.90 01:20:01 2 35.29 0.00 1.44 0.23 0.09 62.96 01:20:01 3 35.77 0.00 1.36 0.07 0.10 62.71 01:30:08 all 30.90 0.00 1.71 0.06 0.10 67.23 01:30:08 0 30.66 0.00 1.58 0.07 0.09 67.60 01:30:08 1 30.61 0.00 1.78 0.03 0.09 67.49 01:30:08 2 31.16 0.00 1.63 0.05 0.12 67.04 01:30:08 3 31.17 0.00 1.85 0.10 0.09 66.79 Average: all 33.08 0.00 1.53 0.10 0.10 65.19 Average: 0 32.17 0.00 1.42 0.08 0.09 66.24 Average: 1 33.50 0.00 1.57 0.11 0.09 64.73 Average: 2 33.19 0.00 1.54 0.14 0.11 65.03 Average: 3 33.44 0.00 1.61 0.09 0.09 64.77