---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33058 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 12G 66G 15% / 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 9319 4 5953 14931 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:68:26:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84438sec preferred_lft 84438sec inet6 fe80::f816:3eff:fe68:2655/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:88:5b:fc:89:33 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-33058) 07/05/26 _x86_64_ (4 CPU) 01:06:23 LINUX RESTART (4 CPU) 01:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:11 23.56 1.17 19.30 3.09 68.18 3619.19 54582.56 01:30:28 21.20 0.16 18.01 3.04 4.77 1636.07 17134.97 Average: 22.36 0.66 18.64 3.06 36.05 2614.21 35605.39 01:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:11 9433616 12955584 3003116 18.34 131104 3505996 3233832 18.56 677184 5867940 4 01:30:28 8634096 12686956 3268252 19.96 151420 3982572 3298372 18.93 816712 6491548 166832 Average: 9033856 12821270 3135684 19.15 141262 3744284 3266102 18.75 746948 6179744 83418 01:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:11 lo 28.70 28.70 6.65 6.65 0.00 0.00 0.00 0.00 01:20:11 ens3 33.26 27.01 157.83 7.50 0.00 0.00 0.00 0.00 01:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:28 lo 1314.74 1314.74 1228.45 1228.45 0.00 0.00 0.00 0.00 01:30:28 ens3 42.83 31.24 258.51 7.59 0.00 0.00 0.00 0.00 01:30:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 680.42 680.42 625.82 625.82 0.00 0.00 0.00 0.00 Average: ens3 38.11 29.15 208.85 7.55 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-33058) 07/05/26 _x86_64_ (4 CPU) 01:06:23 LINUX RESTART (4 CPU) 01:10:11 CPU %user %nice %system %iowait %steal %idle 01:20:11 all 35.76 0.00 1.30 0.11 0.08 62.76 01:20:11 0 34.93 0.00 1.14 0.08 0.08 63.77 01:20:11 1 34.55 0.00 1.27 0.12 0.08 63.98 01:20:11 2 34.68 0.00 1.04 0.10 0.08 64.11 01:20:11 3 38.89 0.00 1.74 0.12 0.08 59.16 01:30:28 all 28.57 0.00 1.58 0.05 0.07 69.73 01:30:28 0 28.86 0.00 1.49 0.07 0.07 69.50 01:30:28 1 28.75 0.00 1.60 0.05 0.07 69.52 01:30:28 2 27.77 0.00 1.73 0.05 0.07 70.37 01:30:28 3 28.88 0.00 1.48 0.04 0.07 69.53 Average: all 32.11 0.00 1.44 0.08 0.08 66.29 Average: 0 31.85 0.00 1.32 0.08 0.08 66.67 Average: 1 31.61 0.00 1.44 0.09 0.08 66.79 Average: 2 31.18 0.00 1.39 0.07 0.08 67.28 Average: 3 33.81 0.00 1.61 0.08 0.08 64.42