---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22422 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: 5599.99 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 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 621 10228 4 5139 15025 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:a0:49:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84634sec preferred_lft 84634sec inet6 fe80::f816:3eff:fea0:4938/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:ef:fc:e3:2b:09 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-22422) 03/24/26 _x86_64_ (4 CPU) 21:55:58 LINUX RESTART (4 CPU) 22:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:09 12.79 2.58 9.65 0.55 733.47 2670.07 16695.12 22:20:03 2.80 0.04 2.68 0.07 3.09 367.45 371.44 Average: 7.82 1.32 6.19 0.31 370.26 1525.02 8577.66 22:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:09 9914020 13228300 2734444 16.70 116800 3358652 2970588 17.05 693712 5426076 21736 22:20:03 10325736 13737452 2224752 13.59 120180 3444588 2416548 13.87 717088 4971504 17224 Average: 10119878 13482876 2479598 15.14 118490 3401620 2693568 15.46 705400 5198790 19480 22:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:09 lo 0.38 0.38 0.04 0.04 0.00 0.00 0.00 0.00 22:10:09 ens3 75.75 55.84 728.92 6.53 0.00 0.00 0.00 0.00 22:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:03 lo 0.50 0.50 0.37 0.37 0.00 0.00 0.00 0.00 22:20:03 ens3 3.66 2.91 2.05 0.83 0.00 0.00 0.00 0.00 22:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.44 0.44 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 39.90 29.52 367.46 3.70 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-22422) 03/24/26 _x86_64_ (4 CPU) 21:55:58 LINUX RESTART (4 CPU) 22:00:09 CPU %user %nice %system %iowait %steal %idle 22:10:09 all 48.35 0.00 0.99 0.10 0.08 50.48 22:10:09 0 48.04 0.00 0.89 0.09 0.08 50.90 22:10:09 1 40.63 0.00 1.08 0.14 0.09 58.06 22:10:09 2 56.08 0.00 0.91 0.11 0.08 42.81 22:10:09 3 48.64 0.00 1.07 0.07 0.08 50.14 22:20:03 all 42.65 0.00 0.45 0.01 0.08 56.81 22:20:03 0 34.28 0.00 0.48 0.00 0.08 65.16 22:20:03 1 46.29 0.00 0.42 0.02 0.08 53.19 22:20:03 2 28.67 0.00 0.39 0.02 0.08 70.85 22:20:03 3 61.43 0.00 0.52 0.00 0.07 37.97 Average: all 45.51 0.00 0.72 0.06 0.08 53.63 Average: 0 41.18 0.00 0.69 0.05 0.08 58.01 Average: 1 43.44 0.00 0.75 0.08 0.08 55.64 Average: 2 42.44 0.00 0.65 0.06 0.08 56.76 Average: 3 55.01 0.00 0.80 0.04 0.08 44.08