---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1172 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 68G 13% / 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 661 10849 4 4478 14985 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:75:26:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84877sec preferred_lft 84877sec inet6 fe80::f816:3eff:fe75:2629/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:43:ad:48:21:43 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-1172) 08/01/26 _x86_64_ (4 CPU) 10:47:54 LINUX RESTART (4 CPU) 10:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:08 25.52 1.84 9.96 13.71 145.56 3453.41 244751.48 11:10:08 11.25 0.52 10.05 0.68 19.01 1750.67 2641.31 Average: 18.38 1.18 10.01 7.20 82.29 2602.04 123696.39 10:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:08 8380344 11639764 4321892 26.40 113564 3304452 4550000 26.12 505332 7142388 980 11:10:08 9026112 12706768 3251684 19.86 131868 3679136 3431212 19.70 665884 6288104 2336 Average: 8703228 12173266 3786788 23.13 122716 3491794 3990606 22.91 585608 6715246 1658 10:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:08 lo 0.69 0.69 0.39 0.39 0.00 0.00 0.00 0.00 11:00:08 ens3 45.50 32.05 509.26 5.37 0.00 0.00 0.00 0.00 11:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:08 lo 196.52 196.52 186.60 186.60 0.00 0.00 0.00 0.00 11:10:08 ens3 45.73 34.08 434.71 5.46 0.00 0.00 0.00 0.00 11:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 98.61 98.61 93.49 93.49 0.00 0.00 0.00 0.00 Average: ens3 45.62 33.06 471.99 5.41 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-1172) 08/01/26 _x86_64_ (4 CPU) 10:47:54 LINUX RESTART (4 CPU) 10:50:08 CPU %user %nice %system %iowait %steal %idle 11:00:08 all 49.78 0.00 0.94 0.07 0.08 49.13 11:00:08 0 55.43 0.00 1.04 0.05 0.07 43.41 11:00:08 1 47.55 0.00 0.88 0.11 0.08 51.38 11:00:08 2 45.71 0.00 0.84 0.06 0.08 53.32 11:00:08 3 50.43 0.00 1.00 0.08 0.08 48.42 11:10:08 all 47.37 0.00 0.94 0.04 0.08 51.57 11:10:08 0 30.68 0.00 0.85 0.02 0.08 68.37 11:10:08 1 36.08 0.00 1.09 0.04 0.08 62.71 11:10:08 2 57.89 0.00 0.84 0.05 0.09 41.12 11:10:08 3 64.82 0.00 0.97 0.03 0.08 34.11 Average: all 48.58 0.00 0.94 0.06 0.08 50.35 Average: 0 43.07 0.00 0.94 0.03 0.08 55.88 Average: 1 41.82 0.00 0.99 0.08 0.08 57.04 Average: 2 51.80 0.00 0.84 0.06 0.08 47.23 Average: 3 57.62 0.00 0.99 0.05 0.08 41.26