---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19704 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 667 10865 4 4456 14979 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:82:93:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84833sec preferred_lft 84833sec inet6 fe80::f816:3eff:fe82:93ae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:8d:81:54:bf:4f 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-19704) 02/21/26 _x86_64_ (4 CPU) 21:56:08 LINUX RESTART (4 CPU) 22:00:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:13 47.31 3.01 37.28 7.02 558.10 4690.85 52193.68 22:20:13 33.74 0.15 28.01 5.58 6.58 3582.84 11727.71 Average: 40.44 1.56 32.59 6.29 279.12 4130.38 31724.66 22:00:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:13 10398820 13828528 2129848 13.01 153528 3403224 2383412 13.68 686644 4906016 25828 22:20:13 11192436 15391208 561536 3.43 198356 4064096 1111708 6.38 910924 3800312 272 Average: 10795628 14609868 1345692 8.22 175942 3733660 1747560 10.03 798784 4353164 13050 22:00:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:13 lo 3653.05 3653.05 3482.30 3482.30 0.00 0.00 0.00 0.00 22:10:13 ens3 151.81 112.79 1004.45 28.68 0.00 0.00 0.00 0.00 22:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:13 lo 2789.17 2789.17 2647.79 2647.79 0.00 0.00 0.00 0.00 22:20:13 ens3 111.30 101.28 121.46 153.17 0.00 0.00 0.00 0.00 22:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3216.07 3216.07 3060.18 3060.18 0.00 0.00 0.00 0.00 Average: ens3 131.32 106.97 557.80 91.65 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-19704) 02/21/26 _x86_64_ (4 CPU) 21:56:08 LINUX RESTART (4 CPU) 22:00:26 CPU %user %nice %system %iowait %steal %idle 22:10:13 all 57.10 0.00 3.38 0.17 0.09 39.26 22:10:13 0 56.10 0.00 3.26 0.12 0.08 40.45 22:10:13 1 57.34 0.00 3.22 0.31 0.09 39.05 22:10:13 2 58.64 0.00 3.76 0.11 0.09 37.40 22:10:13 3 56.34 0.00 3.28 0.14 0.09 40.14 22:20:13 all 45.45 0.00 2.62 0.10 0.08 51.75 22:20:13 0 40.46 0.00 2.49 0.05 0.08 56.93 22:20:13 1 43.60 0.00 2.66 0.11 0.08 53.55 22:20:13 2 49.67 0.00 2.70 0.06 0.08 47.48 22:20:13 3 48.07 0.00 2.64 0.18 0.08 49.02 Average: all 51.21 0.00 3.00 0.13 0.08 45.58 Average: 0 48.18 0.00 2.87 0.08 0.08 48.79 Average: 1 50.39 0.00 2.93 0.20 0.08 46.39 Average: 2 54.10 0.00 3.22 0.08 0.09 42.50 Average: 3 52.16 0.00 2.96 0.16 0.09 44.64