---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9428 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 13G 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 692 8582 4 6714 14954 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:0c:4e:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84037sec preferred_lft 84037sec inet6 fe80::f816:3eff:fe0c:4e2f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:70:25:03:e2:02 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-9428) 04/28/26 _x86_64_ (4 CPU) 19:01:33 LINUX RESTART (4 CPU) 19:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:13 23.08 0.07 20.26 2.76 6.32 2188.56 15355.52 19:30:01 32.85 0.04 29.56 3.26 0.82 4575.23 26844.45 19:40:02 11.02 0.29 9.44 1.29 11.53 6367.91 3036.26 Average: 22.24 0.13 19.68 2.43 6.26 4380.41 14991.25 19:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:13 9562868 13296988 2658872 16.24 148764 3695072 2820336 16.19 746052 5666196 24976 19:30:01 7817392 12586336 3365412 20.55 171320 4661200 3410868 19.58 1036876 7060436 2300 19:40:02 8872516 15388792 556284 3.40 187288 6335400 1044652 6.00 1693916 5255176 2756 Average: 8750925 13757372 2193523 13.40 169124 4897224 2425285 13.92 1158948 5993936 10011 19:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:13 lo 1304.10 1304.10 1236.08 1236.08 0.00 0.00 0.00 0.00 19:20:13 ens3 50.53 38.35 26.54 12.68 0.00 0.00 0.00 0.00 19:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1255.51 1255.51 1191.89 1191.89 0.00 0.00 0.00 0.00 19:30:01 ens3 48.37 37.01 51.29 12.66 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:02 lo 2444.56 2444.56 9278.29 9278.29 0.00 0.00 0.00 0.00 19:40:02 ens3 98.73 105.32 151.59 1076.22 0.00 0.00 0.00 0.00 19:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1671.87 1671.87 3927.75 3927.75 0.00 0.00 0.00 0.00 Average: ens3 66.04 60.44 76.77 370.56 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-9428) 04/28/26 _x86_64_ (4 CPU) 19:01:33 LINUX RESTART (4 CPU) 19:10:16 CPU %user %nice %system %iowait %steal %idle 19:20:13 all 64.84 0.00 2.28 0.05 0.10 32.73 19:20:13 0 62.12 0.00 2.45 0.06 0.10 35.27 19:20:13 1 64.49 0.00 2.28 0.07 0.11 33.05 19:20:13 2 67.61 0.00 2.36 0.04 0.10 29.89 19:20:13 3 65.13 0.00 2.02 0.04 0.10 32.71 19:30:01 all 60.65 0.00 2.49 0.09 0.10 36.67 19:30:01 0 59.51 0.00 2.45 0.17 0.10 37.77 19:30:01 1 60.99 0.00 2.44 0.05 0.10 36.42 19:30:01 2 61.73 0.00 2.65 0.05 0.10 35.47 19:30:01 3 60.37 0.00 2.42 0.08 0.11 37.02 19:40:02 all 33.40 0.00 1.27 0.11 0.07 65.15 19:40:02 0 35.07 0.00 1.09 0.03 0.07 63.74 19:40:02 1 29.16 0.00 1.19 0.29 0.08 69.28 19:40:02 2 36.15 0.00 1.84 0.06 0.08 61.87 19:40:02 3 33.20 0.00 0.95 0.06 0.07 65.73 Average: all 52.86 0.00 2.01 0.08 0.09 44.96 Average: 0 52.15 0.00 1.99 0.09 0.09 45.68 Average: 1 51.42 0.00 1.96 0.14 0.09 46.39 Average: 2 55.04 0.00 2.28 0.05 0.09 42.53 Average: 3 52.82 0.00 1.79 0.06 0.09 45.24