---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32296 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 13G 65G 17% / 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 637 8329 4 7022 15009 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:6b:60:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83818sec preferred_lft 83818sec inet6 fe80::f816:3eff:fe6b:6042/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:ca:d0:0c:c6:fd 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-32296) 07/02/26 _x86_64_ (4 CPU) 07:04:38 LINUX RESTART (4 CPU) 07:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:19 27.10 1.02 23.11 2.96 41.86 3184.59 5948.67 07:30:18 35.03 0.01 31.48 3.55 0.13 2589.60 7729.70 07:40:02 5.30 0.02 4.99 0.29 0.33 2833.30 1525.82 Average: 22.65 0.36 20.00 2.29 14.37 2871.10 5102.54 07:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:19 9121180 12747788 3210504 19.61 138764 3603012 3140704 18.03 692480 6160488 3296 07:30:18 8086772 12361356 3592228 21.94 162632 4184316 3554940 20.41 848096 6997720 232948 07:40:02 5357900 10150924 5800804 35.43 166516 4684084 5384600 30.91 1023276 9490452 29788 Average: 7521951 11753356 4201179 25.66 155971 4157137 4026748 23.11 854617 7549553 88677 07:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:19 lo 1470.56 1470.56 1395.39 1395.39 0.00 0.00 0.00 0.00 07:20:19 ens3 77.91 61.17 459.63 15.42 0.00 0.00 0.00 0.00 07:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:18 lo 1577.76 1577.76 1503.20 1503.20 0.00 0.00 0.00 0.00 07:30:18 ens3 50.23 37.09 27.47 12.63 0.00 0.00 0.00 0.00 07:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:02 lo 2312.14 2312.14 9199.73 9199.73 0.00 0.00 0.00 0.00 07:40:02 ens3 9.51 7.78 7.68 2.93 0.00 0.00 0.00 0.00 07:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1780.74 1780.74 3975.47 3975.47 0.00 0.00 0.00 0.00 Average: ens3 46.36 35.71 167.78 10.42 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-32296) 07/02/26 _x86_64_ (4 CPU) 07:04:38 LINUX RESTART (4 CPU) 07:10:10 CPU %user %nice %system %iowait %steal %idle 07:20:19 all 66.29 0.00 2.37 0.06 0.09 31.19 07:20:19 0 67.02 0.00 2.34 0.05 0.09 30.50 07:20:19 1 66.63 0.00 2.27 0.11 0.09 30.91 07:20:19 2 65.40 0.00 2.60 0.03 0.09 31.87 07:20:19 3 66.10 0.00 2.26 0.07 0.09 31.48 07:30:18 all 64.75 0.00 2.59 0.09 0.10 32.47 07:30:18 0 64.45 0.00 2.37 0.06 0.10 33.02 07:30:18 1 63.90 0.00 2.33 0.05 0.11 33.62 07:30:18 2 65.64 0.00 2.93 0.17 0.10 31.16 07:30:18 3 65.02 0.00 2.73 0.08 0.10 32.07 07:40:02 all 31.41 0.00 1.10 0.17 0.08 67.23 07:40:02 0 27.16 0.00 0.98 0.03 0.08 71.75 07:40:02 1 37.09 0.00 1.17 0.07 0.08 61.60 07:40:02 2 27.44 0.00 0.94 0.55 0.08 70.99 07:40:02 3 33.97 0.00 1.32 0.04 0.08 64.59 Average: all 54.39 0.00 2.03 0.11 0.09 43.39 Average: 0 53.13 0.00 1.91 0.05 0.09 44.82 Average: 1 56.08 0.00 1.93 0.08 0.09 41.82 Average: 2 53.09 0.00 2.17 0.25 0.09 44.40 Average: 3 55.24 0.00 2.11 0.06 0.09 42.50