---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31375 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 681 10081 4 5226 14965 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:65:e9:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84593sec preferred_lft 84593sec inet6 fe80::f816:3eff:fe65:e996/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:88:f9:01:72:44 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-31375) 06/28/26 _x86_64_ (4 CPU) 14:38:19 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:09 22.74 3.08 18.21 1.45 532.93 4687.88 29336.54 15:00:09 25.82 0.80 21.63 3.40 27.36 3484.37 3499.31 Average: 24.27 1.95 19.91 2.41 281.81 4090.10 16503.27 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:09 10369036 13996504 1961696 11.98 135208 3614408 2419456 13.89 710144 4915904 23332 15:00:09 8687400 13250168 2699692 16.49 175576 4426688 3425544 19.66 955240 6249656 19580 Average: 9528218 13623336 2330694 14.23 155392 4020548 2922500 16.78 832692 5582780 21456 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:09 lo 1.09 1.09 0.11 0.11 0.00 0.00 0.00 0.00 14:50:09 ens3 166.26 123.30 929.46 22.32 0.00 0.00 0.00 0.00 14:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:09 lo 1513.80 1513.80 1443.32 1443.32 0.00 0.00 0.00 0.00 15:00:09 ens3 87.47 66.80 387.87 18.19 0.00 0.00 0.00 0.00 15:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 752.45 752.45 716.95 716.95 0.00 0.00 0.00 0.00 Average: ens3 127.13 95.24 660.46 20.26 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-31375) 06/28/26 _x86_64_ (4 CPU) 14:38:19 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:09 all 47.00 0.00 1.85 0.14 0.08 50.93 14:50:09 0 44.73 0.00 1.70 0.06 0.08 53.43 14:50:09 1 49.76 0.00 1.78 0.18 0.08 48.20 14:50:09 2 48.10 0.00 2.12 0.20 0.08 49.50 14:50:09 3 45.40 0.00 1.81 0.11 0.08 52.60 15:00:09 all 70.54 0.00 2.72 0.19 0.11 26.44 15:00:09 0 68.90 0.00 2.72 0.29 0.11 27.98 15:00:09 1 72.18 0.00 2.77 0.10 0.11 24.84 15:00:09 2 69.99 0.00 2.53 0.22 0.12 27.14 15:00:09 3 71.10 0.00 2.84 0.15 0.11 25.79 Average: all 58.69 0.00 2.28 0.16 0.10 38.77 Average: 0 56.73 0.00 2.21 0.17 0.09 40.79 Average: 1 60.89 0.00 2.27 0.14 0.10 36.60 Average: 2 58.97 0.00 2.32 0.21 0.10 38.40 Average: 3 58.17 0.00 2.32 0.13 0.09 39.28