---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15498 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 9.1G 69G 12% / 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 576 12107 4 3305 15070 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:95:92:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84935sec preferred_lft 84935sec inet6 fe80::f816:3eff:fe95:9219/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:8b:ab:46:8d:fa 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-15498) 03/23/26 _x86_64_ (4 CPU) 19:06:47 LINUX RESTART (4 CPU) 19:10:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:33 9.19 2.03 6.97 0.19 124.89 2068.17 34.70 19:30:11 3.10 0.06 2.98 0.06 6.52 337.93 92.57 Average: 6.21 1.07 5.02 0.13 67.02 1222.26 62.99 19:10:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:33 10953668 13883728 2080628 12.71 111100 2987656 2411124 13.84 481404 4607572 9996 19:30:11 10788444 13812308 2151136 13.14 114588 3070268 2415300 13.86 504144 4731312 13088 Average: 10871056 13848018 2115882 12.92 112844 3028962 2413212 13.85 492774 4669442 11542 19:10:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:33 lo 0.32 0.32 0.03 0.03 0.00 0.00 0.00 0.00 19:20:33 ens3 69.00 53.45 573.53 6.54 0.00 0.00 0.00 0.00 19:20:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:11 lo 0.53 0.53 0.38 0.38 0.00 0.00 0.00 0.00 19:30:11 ens3 4.60 3.94 20.96 0.88 0.00 0.00 0.00 0.00 19:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.42 0.42 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 37.52 29.25 303.38 3.77 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-15498) 03/23/26 _x86_64_ (4 CPU) 19:06:47 LINUX RESTART (4 CPU) 19:10:28 CPU %user %nice %system %iowait %steal %idle 19:20:33 all 42.54 0.00 0.86 0.06 0.07 56.48 19:20:33 0 46.14 0.00 0.84 0.06 0.07 52.88 19:20:33 1 41.01 0.00 0.79 0.01 0.07 58.11 19:20:33 2 43.75 0.00 0.87 0.08 0.07 55.22 19:20:33 3 39.25 0.00 0.92 0.07 0.08 59.69 19:30:11 all 42.96 0.00 0.43 0.01 0.07 56.52 19:30:11 0 32.10 0.00 0.37 0.01 0.07 67.45 19:30:11 1 48.02 0.00 0.51 0.01 0.07 51.38 19:30:11 2 29.76 0.00 0.28 0.02 0.07 69.87 19:30:11 3 61.96 0.00 0.56 0.00 0.09 37.38 Average: all 42.74 0.00 0.65 0.03 0.07 56.50 Average: 0 39.26 0.00 0.61 0.04 0.07 60.01 Average: 1 44.44 0.00 0.66 0.01 0.07 54.82 Average: 2 36.91 0.00 0.58 0.05 0.07 62.38 Average: 3 50.35 0.00 0.74 0.03 0.08 48.79