---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-115888 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 617 10591 4 4780 15029 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:4d:11:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84924sec preferred_lft 84924sec inet6 fe80::f816:3eff:fe4d:11aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:0d:35:7a:44:d6 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-115888) 03/06/26 _x86_64_ (4 CPU) 10:07:32 LINUX RESTART (4 CPU) 10:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:03 28.48 1.13 24.44 2.91 48.80 3811.57 4263.84 10:30:01 30.51 0.02 27.38 3.12 0.21 2460.49 15273.47 Average: 29.49 0.57 25.90 3.02 24.56 3137.57 9756.15 10:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:03 9033404 12449784 3509944 21.44 132780 3413220 3557416 20.42 669604 6286064 8312 10:30:01 8766544 12710452 3245492 19.82 161816 3875644 3263576 18.73 803704 6390280 117980 Average: 8899974 12580118 3377718 20.63 147298 3644432 3410496 19.58 736654 6338172 63146 10:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:03 lo 1510.80 1510.80 1432.89 1432.89 0.00 0.00 0.00 0.00 10:20:03 ens3 62.45 47.66 442.76 10.82 0.00 0.00 0.00 0.00 10:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 1515.29 1515.29 1443.54 1443.54 0.00 0.00 0.00 0.00 10:30:01 ens3 23.64 20.71 41.17 6.34 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1513.04 1513.04 1438.20 1438.20 0.00 0.00 0.00 0.00 Average: ens3 43.09 34.22 242.42 8.59 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-115888) 03/06/26 _x86_64_ (4 CPU) 10:07:32 LINUX RESTART (4 CPU) 10:10:03 CPU %user %nice %system %iowait %steal %idle 10:20:03 all 70.54 0.00 2.54 0.20 0.14 26.59 10:20:03 0 72.49 0.00 2.35 0.09 0.14 24.94 10:20:03 1 69.26 0.00 2.85 0.26 0.14 27.49 10:20:03 2 69.57 0.00 2.52 0.19 0.14 27.58 10:20:03 3 70.81 0.00 2.44 0.26 0.14 26.35 10:30:01 all 63.52 0.00 2.64 0.52 0.13 33.19 10:30:01 0 62.73 0.00 2.72 0.72 0.13 33.69 10:30:01 1 63.69 0.00 2.62 0.23 0.13 33.32 10:30:01 2 63.44 0.00 2.59 0.94 0.13 32.89 10:30:01 3 64.22 0.00 2.63 0.17 0.13 32.84 Average: all 67.04 0.00 2.59 0.36 0.14 29.88 Average: 0 67.62 0.00 2.54 0.40 0.14 29.30 Average: 1 66.48 0.00 2.74 0.24 0.14 30.40 Average: 2 66.51 0.00 2.56 0.57 0.14 30.23 Average: 3 67.53 0.00 2.53 0.22 0.13 29.59