---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23614 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 16% / 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 636 8929 4 6423 15009 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:b0:66:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.32/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83938sec preferred_lft 83938sec inet6 fe80::f816:3eff:feb0:6624/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:19:56:2c:25:37 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-23614) 06/04/26 _x86_64_ (4 CPU) 05:24:01 LINUX RESTART (4 CPU) 05:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:26 23.88 2.84 18.84 2.20 154.91 3405.99 3854.20 05:50:26 25.84 0.02 23.02 2.81 0.20 2233.14 6842.59 06:00:01 19.25 0.03 17.53 1.69 0.38 3799.00 4231.40 Average: 23.05 1.00 19.81 2.24 53.99 3141.04 4969.99 05:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:26 10165540 13623200 2335784 14.27 134028 3454116 2537864 14.57 632796 5187352 18380 05:50:26 9312168 13179860 2775764 16.95 153640 3809164 2811876 16.14 750420 5883712 17660 06:00:01 7276120 13093980 2855008 17.44 168480 5676964 2867768 16.46 1406360 7178600 1087536 Average: 8917943 13299013 2655519 16.22 152049 4313415 2739169 15.72 929859 6083221 374525 05:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:26 lo 1189.20 1189.20 1127.88 1127.88 0.00 0.00 0.00 0.00 05:40:26 ens3 102.37 81.27 899.85 17.46 0.00 0.00 0.00 0.00 05:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:26 lo 1261.38 1261.38 1201.82 1201.82 0.00 0.00 0.00 0.00 05:50:26 ens3 39.96 32.20 23.88 11.47 0.00 0.00 0.00 0.00 05:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 lo 998.66 998.66 7733.87 7733.87 0.00 0.00 0.00 0.00 06:00:01 ens3 32.13 26.67 120.20 8.66 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1152.33 1152.33 3264.21 3264.21 0.00 0.00 0.00 0.00 Average: ens3 59.13 47.47 358.90 12.65 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-23614) 06/04/26 _x86_64_ (4 CPU) 05:24:01 LINUX RESTART (4 CPU) 05:30:01 CPU %user %nice %system %iowait %steal %idle 05:40:26 all 46.85 0.00 1.95 0.07 0.07 51.06 05:40:26 0 47.42 0.00 1.97 0.07 0.07 50.46 05:40:26 1 45.09 0.00 1.79 0.03 0.07 53.01 05:40:26 2 46.10 0.00 1.94 0.09 0.07 51.80 05:40:26 3 48.78 0.00 2.11 0.10 0.08 48.94 05:50:26 all 65.78 0.00 2.38 0.06 0.09 31.69 05:50:26 0 64.34 0.00 2.11 0.09 0.09 33.36 05:50:26 1 64.40 0.00 2.37 0.06 0.09 33.08 05:50:26 2 67.75 0.00 2.65 0.04 0.09 29.47 05:50:26 3 66.64 0.00 2.40 0.03 0.09 30.84 06:00:01 all 46.29 0.00 1.76 0.10 0.08 51.78 06:00:01 0 42.57 0.00 1.85 0.02 0.08 55.47 06:00:01 1 52.92 0.00 1.95 0.13 0.08 44.91 06:00:01 2 47.63 0.00 1.64 0.07 0.08 50.58 06:00:01 3 42.04 0.00 1.59 0.16 0.08 56.13 Average: all 52.97 0.00 2.03 0.07 0.08 44.84 Average: 0 51.51 0.00 1.98 0.06 0.08 46.36 Average: 1 54.03 0.00 2.04 0.07 0.08 43.78 Average: 2 53.79 0.00 2.08 0.07 0.08 43.98 Average: 3 52.56 0.00 2.04 0.09 0.08 45.22