---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12959 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: 5600.00 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 67G 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 703 9450 4 5835 14943 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:9a:d1:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84531sec preferred_lft 84531sec inet6 fe80::f816:3eff:fe9a:d196/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:f0:68:2f:21:71 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-12959) 05/12/26 _x86_64_ (4 CPU) 12:37:20 LINUX RESTART (4 CPU) 12:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:02 43.82 2.93 25.33 15.57 358.75 5376.82 252290.67 13:00:01 35.68 0.05 32.33 3.30 1.58 6159.56 16531.67 Average: 39.73 1.48 28.85 9.40 179.13 5770.45 133733.02 12:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:02 8513468 12588160 3366488 20.56 158924 3996824 3493664 20.05 834860 6595588 183588 13:00:01 7596216 12969280 2979000 18.19 187060 5198140 3281888 18.84 1112964 7146648 28172 Average: 8054842 12778720 3172744 19.38 172992 4597482 3387776 19.45 973912 6871118 105880 12:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:02 lo 801.79 801.79 763.93 763.93 0.00 0.00 0.00 0.00 12:50:02 ens3 126.37 95.39 966.48 19.02 0.00 0.00 0.00 0.00 12:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 1403.46 1403.46 1337.65 1337.65 0.00 0.00 0.00 0.00 13:00:01 ens3 69.51 50.96 236.49 14.02 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1104.35 1104.35 1052.44 1052.44 0.00 0.00 0.00 0.00 Average: ens3 97.78 73.05 599.39 16.50 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-12959) 05/12/26 _x86_64_ (4 CPU) 12:37:20 LINUX RESTART (4 CPU) 12:40:10 CPU %user %nice %system %iowait %steal %idle 12:50:02 all 64.20 0.00 2.33 0.33 0.11 33.03 12:50:02 0 63.89 0.00 2.07 0.36 0.11 33.57 12:50:02 1 63.76 0.00 2.63 0.33 0.11 33.17 12:50:02 2 63.79 0.00 2.54 0.40 0.11 33.16 12:50:02 3 65.37 0.00 2.09 0.23 0.11 32.21 13:00:01 all 57.67 0.00 2.45 0.17 0.10 39.60 13:00:01 0 56.05 0.00 2.41 0.18 0.10 41.26 13:00:01 1 58.66 0.00 2.55 0.09 0.10 38.59 13:00:01 2 59.02 0.00 2.65 0.20 0.10 38.04 13:00:01 3 56.96 0.00 2.21 0.23 0.10 40.50 Average: all 60.92 0.00 2.39 0.25 0.10 36.33 Average: 0 59.95 0.00 2.24 0.27 0.10 37.44 Average: 1 61.20 0.00 2.59 0.21 0.10 35.89 Average: 2 61.39 0.00 2.59 0.30 0.10 35.61 Average: 3 61.14 0.00 2.15 0.23 0.10 36.38