---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1556 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 9.9G 68G 13% / 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 715 10916 4 4357 14930 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:56:d5:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84639sec preferred_lft 84639sec inet6 fe80::f816:3eff:fe56:d50b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:7c:92:c1:ee:12 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-1556) 04/09/26 _x86_64_ (4 CPU) 20:53:23 LINUX RESTART (4 CPU) 21:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 39.40 2.56 31.09 5.75 141.99 3930.93 9237.53 21:20:00 36.68 0.31 30.24 6.13 11.88 3659.25 4829.92 Average: 38.04 1.43 30.67 5.94 76.89 3795.00 7032.21 21:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10469752 13863644 2094952 12.80 154048 3364760 2546348 14.62 585776 4941780 93556 21:20:00 11274820 15373664 579404 3.54 201020 3960400 1097460 6.30 813540 3820128 32 Average: 10872286 14618654 1337178 8.17 177534 3662580 1821904 10.46 699658 4380954 46794 21:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 3469.59 3469.59 3309.09 3309.09 0.00 0.00 0.00 0.00 21:10:01 ens3 139.11 103.77 758.10 26.38 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:00 lo 2956.38 2956.38 2810.31 2810.31 0.00 0.00 0.00 0.00 21:20:00 ens3 111.96 96.91 117.72 126.98 0.00 0.00 0.00 0.00 21:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3212.81 3212.81 3059.53 3059.53 0.00 0.00 0.00 0.00 Average: ens3 125.53 100.34 437.69 76.72 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-1556) 04/09/26 _x86_64_ (4 CPU) 20:53:23 LINUX RESTART (4 CPU) 21:00:03 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 57.99 0.00 3.53 0.13 0.08 38.27 21:10:01 0 57.62 0.00 3.71 0.12 0.08 38.47 21:10:01 1 57.15 0.00 3.41 0.14 0.08 39.22 21:10:01 2 58.35 0.00 3.28 0.17 0.08 38.11 21:10:01 3 58.85 0.00 3.73 0.07 0.08 37.27 21:20:00 all 46.91 0.00 2.77 0.11 0.07 50.14 21:20:00 0 47.24 0.00 2.62 0.10 0.07 49.96 21:20:00 1 44.77 0.00 2.75 0.08 0.07 52.32 21:20:00 2 47.41 0.00 2.88 0.19 0.07 49.45 21:20:00 3 48.24 0.00 2.81 0.07 0.07 48.81 Average: all 52.45 0.00 3.15 0.12 0.08 44.21 Average: 0 52.42 0.00 3.16 0.11 0.08 44.22 Average: 1 50.95 0.00 3.08 0.11 0.08 45.78 Average: 2 52.87 0.00 3.08 0.18 0.08 43.79 Average: 3 53.54 0.00 3.27 0.07 0.08 43.05