---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26276 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 12G 66G 15% / 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 646 9223 4 6118 15000 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:db:06:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84364sec preferred_lft 84364sec inet6 fe80::f816:3eff:fedb:6d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:75:39:dc:d0:13 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-26276) 06/09/26 _x86_64_ (4 CPU) 22:20:28 LINUX RESTART (4 CPU) 22:30:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:01 41.01 1.40 26.04 13.57 101.73 948.99 251497.59 22:50:29 42.22 3.25 36.62 2.36 173.51 9957.73 9454.55 Average: 41.64 2.36 31.54 7.74 139.04 5631.47 125690.88 22:30:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:01 13199928 15366588 628060 3.84 82596 2290236 1241072 7.12 266876 2621784 201204 22:50:29 7682808 12875748 3077420 18.80 142340 5119036 3264896 18.74 1204500 7033592 221260 Average: 10441368 14121168 1852740 11.32 112468 3704636 2252984 12.93 735688 4827688 211232 22:30:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:01 lo 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 22:40:01 ens3 30.13 20.21 177.01 5.15 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:29 lo 927.60 927.60 883.74 883.74 0.00 0.00 0.00 0.00 22:50:29 ens3 123.03 92.34 1161.12 18.30 0.00 0.00 0.00 0.00 22:50:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 482.23 482.23 459.35 459.35 0.00 0.00 0.00 0.00 Average: ens3 78.42 57.70 688.52 11.99 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-26276) 06/09/26 _x86_64_ (4 CPU) 22:20:28 LINUX RESTART (4 CPU) 22:30:21 CPU %user %nice %system %iowait %steal %idle 22:40:01 all 2.03 0.00 0.24 0.23 0.01 97.49 22:40:01 0 4.48 0.00 0.36 0.15 0.02 94.99 22:40:01 1 1.84 0.00 0.31 0.38 0.01 97.46 22:40:01 2 1.42 0.00 0.17 0.39 0.02 98.00 22:40:01 3 0.35 0.00 0.11 0.01 0.02 99.51 22:50:29 all 51.72 0.00 2.09 0.12 0.09 45.99 22:50:29 0 47.11 0.00 1.84 0.15 0.09 50.81 22:50:29 1 52.07 0.00 2.00 0.09 0.09 45.75 22:50:29 2 53.86 0.00 2.23 0.12 0.09 43.70 22:50:29 3 53.85 0.00 2.29 0.10 0.09 43.68 Average: all 27.82 0.00 1.20 0.17 0.05 70.76 Average: 0 26.61 0.00 1.13 0.15 0.05 72.06 Average: 1 27.90 0.00 1.19 0.23 0.05 70.64 Average: 2 28.67 0.00 1.24 0.25 0.05 69.79 Average: 3 28.11 0.00 1.24 0.06 0.05 70.54