---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20142 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 694 10270 4 5024 14952 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:47:9c:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84886sec preferred_lft 84886sec inet6 fe80::f816:3eff:fe47:9ced/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:e5:1d:37:6c:97 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-20142) 05/25/26 _x86_64_ (4 CPU) 22:49:39 LINUX RESTART (4 CPU) 22:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:06 67.39 10.25 42.03 15.11 1588.35 9918.50 258961.62 23:10:27 32.24 0.87 27.97 3.41 29.35 4071.49 3096.74 Average: 49.62 5.50 34.92 9.19 799.93 6961.56 129566.15 22:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:06 10504512 14078608 1879792 11.48 134856 3557204 2490996 14.30 650452 4832940 23852 23:10:27 8078100 12804088 3144908 19.21 173368 4581464 3270796 18.77 967112 6832996 39416 Average: 9291306 13441348 2512350 15.34 154112 4069334 2880896 16.54 808782 5832968 31634 22:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:06 lo 1.45 1.45 0.15 0.15 0.00 0.00 0.00 0.00 23:00:06 ens3 187.45 138.62 1118.21 29.34 0.00 0.00 0.00 0.00 23:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:27 lo 1604.07 1604.07 1529.24 1529.24 0.00 0.00 0.00 0.00 23:10:27 ens3 71.38 52.79 413.11 16.39 0.00 0.00 0.00 0.00 23:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 811.92 811.92 773.43 773.43 0.00 0.00 0.00 0.00 Average: ens3 128.75 95.21 761.63 22.79 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-20142) 05/25/26 _x86_64_ (4 CPU) 22:49:39 LINUX RESTART (4 CPU) 22:50:00 CPU %user %nice %system %iowait %steal %idle 23:00:06 all 60.58 0.00 2.50 0.54 0.13 36.24 23:00:06 0 58.55 0.00 2.39 0.58 0.13 38.34 23:00:06 1 60.88 0.00 2.62 0.54 0.13 35.83 23:00:06 2 59.18 0.00 2.50 0.78 0.14 37.40 23:00:06 3 63.73 0.00 2.50 0.26 0.14 33.38 23:10:27 all 69.23 0.00 2.85 0.08 0.14 27.69 23:10:27 0 67.47 0.00 2.54 0.06 0.14 29.78 23:10:27 1 71.03 0.00 3.16 0.10 0.15 25.56 23:10:27 2 69.03 0.00 3.15 0.09 0.14 27.59 23:10:27 3 69.41 0.00 2.56 0.08 0.15 27.81 Average: all 64.96 0.00 2.68 0.31 0.14 31.91 Average: 0 63.06 0.00 2.47 0.32 0.14 34.01 Average: 1 66.01 0.00 2.89 0.32 0.14 30.64 Average: 2 64.16 0.00 2.83 0.43 0.14 32.44 Average: 3 66.60 0.00 2.53 0.17 0.14 30.56