---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30042 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 680 8877 4 6431 14966 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:a5:4f:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84109sec preferred_lft 84109sec inet6 fe80::f816:3eff:fea5:4fb6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:4a:9b:47:05:d4 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-30042) 06/24/26 _x86_64_ (4 CPU) 05:23:38 LINUX RESTART (4 CPU) 05:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 38.09 0.43 21.05 16.61 19.28 2195.89 243240.13 05:50:04 29.73 0.01 26.63 3.09 0.13 2374.99 8966.90 06:00:00 16.66 0.32 14.65 1.70 11.94 7979.24 31932.50 Average: 28.17 0.25 20.80 7.12 10.41 4173.98 94438.20 05:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9209924 13008624 2948196 18.01 140924 3764712 3093944 17.76 714076 6047020 190620 05:50:04 9248464 13255680 2698668 16.48 160336 3932656 2724912 15.64 793920 5883812 25756 06:00:00 9141360 15366008 581056 3.55 175612 6062296 1110720 6.38 1558628 5145540 4 Average: 9199916 13876771 2075973 12.68 158957 4586555 2309859 13.26 1022208 5692124 72127 05:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1497.38 1497.38 1420.31 1420.31 0.00 0.00 0.00 0.00 05:40:01 ens3 51.59 40.73 53.26 13.11 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:04 lo 1310.84 1310.84 1248.83 1248.83 0.00 0.00 0.00 0.00 05:50:04 ens3 35.05 29.20 33.86 9.94 0.00 0.00 0.00 0.00 05:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:00 lo 490.37 490.37 7012.84 7012.84 0.00 0.00 0.00 0.00 06:00:00 ens3 74.80 82.12 113.94 932.20 0.00 0.00 0.00 0.00 06:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1100.75 1100.75 3217.31 3217.31 0.00 0.00 0.00 0.00 Average: ens3 53.73 50.58 66.86 316.84 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-30042) 06/24/26 _x86_64_ (4 CPU) 05:23:38 LINUX RESTART (4 CPU) 05:30:04 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 70.84 0.00 2.64 0.08 0.08 26.35 05:40:01 0 71.97 0.00 2.81 0.06 0.09 25.07 05:40:01 1 71.42 0.00 2.54 0.13 0.08 25.83 05:40:01 2 70.16 0.00 2.77 0.05 0.08 26.93 05:40:01 3 69.83 0.00 2.45 0.07 0.08 27.57 05:50:04 all 62.47 0.00 2.61 0.08 0.09 34.75 05:50:04 0 62.78 0.00 2.52 0.06 0.09 34.57 05:50:04 1 62.87 0.00 2.92 0.10 0.08 34.03 05:50:04 2 61.50 0.00 2.49 0.11 0.09 35.82 05:50:04 3 62.75 0.00 2.51 0.05 0.09 34.59 06:00:00 all 35.78 0.00 1.30 0.26 0.08 62.59 06:00:00 0 33.78 0.00 1.03 0.10 0.07 65.02 06:00:00 1 37.00 0.00 1.62 0.09 0.08 61.21 06:00:00 2 39.17 0.00 1.20 0.50 0.08 59.05 06:00:00 3 33.17 0.00 1.36 0.33 0.08 65.06 Average: all 56.38 0.00 2.19 0.14 0.08 41.21 Average: 0 56.17 0.00 2.12 0.07 0.08 41.56 Average: 1 57.12 0.00 2.36 0.11 0.08 40.33 Average: 2 56.95 0.00 2.15 0.22 0.08 40.59 Average: 3 55.27 0.00 2.11 0.15 0.08 42.39