---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53506 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.94 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 16% / 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 657 8821 4 6510 14989 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:53:24:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84452sec preferred_lft 84452sec inet6 fe80::f816:3eff:fe53:24bb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:21:43:1a:9e:11 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53506) 03/27/26 _x86_64_ (4 CPU) 11:44:46 LINUX RESTART (4 CPU) 11:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:01 21.86 0.06 19.34 2.46 6.25 2091.53 6133.60 12:10:01 28.49 0.04 25.67 2.79 0.83 4221.39 10601.93 Average: 25.18 0.05 22.50 2.62 3.54 3156.46 8367.77 11:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:01 9442720 13040116 2917856 17.82 142196 3570796 3202340 18.38 703164 5833804 18012 12:10:01 7688552 12266872 3686608 22.52 160352 4490208 3489968 20.03 974256 7263188 1024 Average: 8565636 12653494 3302232 20.17 151274 4030502 3346154 19.21 838710 6548496 9518 11:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:01 lo 1185.70 1185.70 1123.06 1123.06 0.00 0.00 0.00 0.00 12:00:01 ens3 25.41 21.69 20.10 7.12 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 1211.93 1211.93 1149.07 1149.07 0.00 0.00 0.00 0.00 12:10:01 ens3 26.98 20.70 43.94 6.96 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1198.82 1198.82 1136.07 1136.07 0.00 0.00 0.00 0.00 Average: ens3 26.20 21.20 32.02 7.04 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53506) 03/27/26 _x86_64_ (4 CPU) 11:44:46 LINUX RESTART (4 CPU) 11:50:01 CPU %user %nice %system %iowait %steal %idle 12:00:01 all 67.63 0.00 2.30 0.06 0.10 29.92 12:00:01 0 66.43 0.00 2.40 0.05 0.10 31.02 12:00:01 1 66.94 0.00 2.13 0.06 0.10 30.77 12:00:01 2 67.71 0.00 2.36 0.08 0.10 29.76 12:00:01 3 69.44 0.00 2.32 0.03 0.10 28.11 12:10:01 all 57.83 0.00 2.40 0.33 0.10 39.34 12:10:01 0 57.61 0.00 2.44 0.36 0.10 39.50 12:10:01 1 59.09 0.00 2.37 0.22 0.10 38.21 12:10:01 2 56.79 0.00 2.45 0.63 0.10 40.04 12:10:01 3 57.83 0.00 2.33 0.12 0.10 39.61 Average: all 62.73 0.00 2.35 0.19 0.10 34.63 Average: 0 62.02 0.00 2.42 0.20 0.10 35.25 Average: 1 63.02 0.00 2.25 0.14 0.10 34.49 Average: 2 62.25 0.00 2.40 0.35 0.10 34.89 Average: 3 63.63 0.00 2.32 0.08 0.10 33.87