---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1796 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 678 10270 4 5040 14968 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:59:8d:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84188sec preferred_lft 84188sec inet6 fe80::f816:3eff:fe59:8d23/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:bc:45:4b:4a:5b 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-1796) 08/03/26 _x86_64_ (4 CPU) 14:12:04 LINUX RESTART (4 CPU) 14:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:01 11.52 1.92 9.22 0.38 124.06 2075.60 1626.05 14:40:17 22.36 0.76 20.06 1.54 27.29 3281.60 3076.03 Average: 17.01 1.33 14.71 0.97 75.06 2686.20 2360.18 14:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:01 10886772 14255560 1704416 10.41 127296 3376804 2064388 11.85 542208 4570720 31216 14:40:17 9132008 13461732 2489188 15.20 170064 4207904 2725080 15.64 784980 5965784 11360 Average: 10009390 13858646 2096802 12.81 148680 3792354 2394734 13.75 663594 5268252 21288 14:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:01 lo 0.58 0.58 0.06 0.06 0.00 0.00 0.00 0.00 14:30:01 ens3 70.66 58.64 707.74 11.27 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:17 lo 396.20 396.20 376.53 376.53 0.00 0.00 0.00 0.00 14:40:17 ens3 93.40 69.04 324.40 20.25 0.00 0.00 0.00 0.00 14:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 200.89 200.89 190.67 190.67 0.00 0.00 0.00 0.00 Average: ens3 82.17 63.91 513.65 15.82 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-1796) 08/03/26 _x86_64_ (4 CPU) 14:12:04 LINUX RESTART (4 CPU) 14:20:01 CPU %user %nice %system %iowait %steal %idle 14:30:01 all 29.71 0.00 0.94 0.04 0.05 69.27 14:30:01 0 28.97 0.00 0.92 0.02 0.04 70.04 14:30:01 1 31.03 0.00 1.08 0.05 0.06 67.78 14:30:01 2 28.94 0.00 0.79 0.05 0.05 70.16 14:30:01 3 29.89 0.00 0.96 0.03 0.05 69.08 14:40:17 all 70.24 0.00 2.40 0.04 0.09 27.23 14:40:17 0 68.99 0.00 2.33 0.05 0.09 28.55 14:40:17 1 70.93 0.00 2.85 0.04 0.09 26.09 14:40:17 2 71.64 0.00 2.25 0.03 0.09 25.99 14:40:17 3 69.40 0.00 2.17 0.03 0.09 28.30 Average: all 50.21 0.00 1.68 0.04 0.07 48.00 Average: 0 49.22 0.00 1.63 0.03 0.07 49.05 Average: 1 51.23 0.00 1.98 0.04 0.07 46.67 Average: 2 50.54 0.00 1.53 0.04 0.07 47.82 Average: 3 49.87 0.00 1.57 0.03 0.07 48.46