---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5087 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 67G 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 637 10404 4 4947 15009 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:ff:c6:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84750sec preferred_lft 84750sec inet6 fe80::f816:3eff:feff:c61a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:cc:d4:16:eb:5c 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5087) 01/27/26 _x86_64_ (4 CPU) 21:37:02 LINUX RESTART (4 CPU) 21:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:49 11.36 1.66 9.10 0.60 445.63 2310.28 11525.29 22:00:42 9.20 0.54 8.16 0.50 19.75 1902.65 801.49 Average: 10.33 1.12 8.65 0.55 242.23 2115.60 6403.68 21:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:49 8696800 11834308 4128056 25.21 112560 3194548 4332900 24.87 643944 6697404 564 22:00:42 9673452 13336276 2622728 16.02 131660 3669320 2800756 16.08 782336 5542612 17884 Average: 9185126 12585292 3375392 20.62 122110 3431934 3566828 20.47 713140 6120008 9224 21:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:49 lo 0.65 0.65 0.36 0.36 0.00 0.00 0.00 0.00 21:50:49 ens3 27.71 21.17 348.44 3.54 0.00 0.00 0.00 0.00 21:50:49 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:42 lo 634.23 634.23 605.04 605.04 0.00 0.00 0.00 0.00 22:00:42 ens3 37.03 25.59 414.24 3.37 0.00 0.00 0.00 0.00 22:00:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 303.24 303.24 289.15 289.15 0.00 0.00 0.00 0.00 Average: ens3 32.16 23.28 379.87 3.46 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5087) 01/27/26 _x86_64_ (4 CPU) 21:37:02 LINUX RESTART (4 CPU) 21:40:01 CPU %user %nice %system %iowait %steal %idle 21:50:49 all 50.62 0.00 1.01 0.19 0.09 48.09 21:50:49 0 61.45 0.00 1.36 0.17 0.10 36.92 21:50:49 1 46.49 0.00 1.02 0.43 0.09 51.97 21:50:49 2 47.60 0.00 0.85 0.04 0.08 51.42 21:50:49 3 46.96 0.00 0.80 0.11 0.09 52.04 22:00:42 all 47.02 0.00 1.06 3.64 0.08 48.20 22:00:42 0 40.42 0.00 0.99 2.23 0.09 56.27 22:00:42 1 38.12 0.00 1.14 1.57 0.08 59.09 22:00:42 2 35.17 0.00 0.93 5.25 0.07 58.58 22:00:42 3 74.38 0.00 1.19 5.52 0.10 18.82 Average: all 48.90 0.00 1.03 1.84 0.09 48.14 Average: 0 51.38 0.00 1.19 1.15 0.09 46.18 Average: 1 42.50 0.00 1.08 0.97 0.09 55.37 Average: 2 41.66 0.00 0.89 2.53 0.08 54.84 Average: 3 60.05 0.00 0.98 2.69 0.09 36.18