---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33462 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 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 670 10280 4 5038 14976 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:ed:04:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84823sec preferred_lft 84823sec inet6 fe80::f816:3eff:feed:41f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:04:c7:f9:e2:8a 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-33462) 07/06/26 _x86_64_ (4 CPU) 15:26:29 LINUX RESTART (4 CPU) 15:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 18.04 2.67 14.02 1.36 543.78 3674.45 3175.40 15:50:04 30.29 0.64 25.24 4.42 25.01 4165.19 12295.69 Average: 24.20 1.65 19.66 2.90 283.05 3921.09 7759.17 15:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 9818156 13566452 2390996 14.60 145064 3702240 2707148 15.54 759264 5390020 50360 15:50:04 10568720 15367980 581864 3.55 177476 4649724 1104724 6.34 1037312 4260748 176 Average: 10193438 14467216 1486430 9.08 161270 4175982 1905936 10.94 898288 4825384 25268 15:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 15:40:01 ens3 122.00 93.84 612.16 21.32 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:04 lo 1750.53 1750.53 1663.05 1663.05 0.00 0.00 0.00 0.00 15:50:04 ens3 102.17 80.60 407.45 79.65 0.00 0.00 0.00 0.00 15:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 880.51 880.51 835.90 835.90 0.00 0.00 0.00 0.00 Average: ens3 112.03 87.18 509.28 50.64 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-33462) 07/06/26 _x86_64_ (4 CPU) 15:26:29 LINUX RESTART (4 CPU) 15:30:05 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 72.71 0.00 2.34 0.06 0.11 24.77 15:40:01 0 72.08 0.00 2.69 0.10 0.11 25.01 15:40:01 1 74.43 0.00 2.43 0.04 0.11 23.00 15:40:01 2 72.32 0.00 2.15 0.05 0.11 25.38 15:40:01 3 72.03 0.00 2.07 0.08 0.11 25.72 15:50:04 all 57.42 0.00 2.42 0.09 0.10 39.96 15:50:04 0 57.03 0.00 2.64 0.06 0.09 40.17 15:50:04 1 56.26 0.00 2.56 0.13 0.10 40.96 15:50:04 2 56.79 0.00 2.36 0.07 0.10 40.68 15:50:04 3 59.61 0.00 2.13 0.11 0.10 38.05 Average: all 65.03 0.00 2.38 0.08 0.10 32.41 Average: 0 64.52 0.00 2.67 0.08 0.10 32.63 Average: 1 65.30 0.00 2.50 0.08 0.10 32.02 Average: 2 64.51 0.00 2.25 0.06 0.11 33.07 Average: 3 65.79 0.00 2.10 0.09 0.11 31.91