---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39386 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 663 10226 4 5099 14983 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:18:95:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84564sec preferred_lft 84564sec inet6 fe80::f816:3eff:fe18:9509/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:e9:79:be:c1:36 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-39386) 07/27/26 _x86_64_ (4 CPU) 14:40:20 LINUX RESTART (4 CPU) 14:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:10 12.03 0.48 10.45 1.10 17.90 2942.15 3096.57 15:10:00 27.11 0.63 22.48 4.00 24.68 3863.01 2811.63 Average: 19.50 0.56 16.41 2.53 21.26 3398.33 2955.42 14:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:10 9533908 13426644 2528596 15.44 153168 3821744 2686340 15.42 674428 5737996 26532 15:10:00 10544104 15405976 542404 3.31 177868 4702756 1062244 6.10 936392 4360392 3096 Average: 10039006 14416310 1535500 9.38 165518 4262250 1874292 10.76 805410 5049194 14814 14:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:10 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 15:00:10 ens3 77.18 59.44 145.45 18.80 0.00 0.00 0.00 0.00 15:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:00 lo 1582.93 1582.93 1496.41 1496.41 0.00 0.00 0.00 0.00 15:10:00 ens3 127.92 114.68 435.42 202.22 0.00 0.00 0.00 0.00 15:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 784.86 784.86 741.37 741.37 0.00 0.00 0.00 0.00 Average: ens3 102.32 86.80 289.10 109.66 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-39386) 07/27/26 _x86_64_ (4 CPU) 14:40:20 LINUX RESTART (4 CPU) 14:50:09 CPU %user %nice %system %iowait %steal %idle 15:00:10 all 73.87 0.00 2.20 0.03 0.10 23.80 15:00:10 0 73.86 0.00 2.05 0.03 0.10 23.97 15:00:10 1 75.25 0.00 2.29 0.04 0.10 22.32 15:00:10 2 73.79 0.00 2.43 0.03 0.10 23.66 15:00:10 3 72.58 0.00 2.05 0.04 0.09 25.24 15:10:00 all 49.16 0.00 2.20 0.08 0.09 48.47 15:10:00 0 50.94 0.00 1.90 0.06 0.09 47.01 15:10:00 1 47.71 0.00 2.27 0.10 0.09 49.83 15:10:00 2 45.79 0.00 2.00 0.04 0.09 52.08 15:10:00 3 52.20 0.00 2.63 0.12 0.08 44.95 Average: all 61.63 0.00 2.20 0.06 0.09 36.02 Average: 0 62.50 0.00 1.98 0.04 0.09 35.39 Average: 1 61.61 0.00 2.28 0.07 0.09 35.95 Average: 2 59.92 0.00 2.21 0.03 0.09 37.74 Average: 3 62.49 0.00 2.34 0.08 0.09 35.00