---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36295 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 65G 17% / 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 669 8076 4 7243 14977 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:13:10:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83942sec preferred_lft 83942sec inet6 fe80::f816:3eff:fe13:1024/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:c7:cb:7f:0f:d2 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-36295) 07/16/26 _x86_64_ (4 CPU) 06:48:21 LINUX RESTART (4 CPU) 06:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:02 38.62 4.08 31.35 3.20 225.30 6092.19 15225.10 07:10:06 25.07 0.02 22.40 2.65 0.24 2149.23 5375.76 07:20:01 18.65 0.03 16.90 1.72 0.46 3565.93 5013.19 Average: 27.47 1.38 23.57 2.52 75.41 3933.61 8542.12 06:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:02 9812500 13557460 2399332 14.65 140392 3723008 2465844 14.15 682012 5481096 12500 07:10:06 8335156 12475572 3477772 21.24 160128 4065344 3446452 19.78 788764 6814632 21844 07:20:01 5219860 10204456 5745960 35.09 173520 4862764 5516828 31.67 1046392 9618196 336 Average: 7789172 12079163 3874355 23.66 158013 4217039 3809708 21.87 839056 7304641 11560 06:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:02 lo 1411.64 1411.64 1339.40 1339.40 0.00 0.00 0.00 0.00 07:00:02 ens3 151.73 110.04 1376.35 21.65 0.00 0.00 0.00 0.00 07:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:06 lo 999.23 999.23 951.67 951.67 0.00 0.00 0.00 0.00 07:10:06 ens3 42.26 32.28 19.22 10.99 0.00 0.00 0.00 0.00 07:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 lo 677.79 677.79 2868.49 2868.49 0.00 0.00 0.00 0.00 07:20:01 ens3 27.78 20.58 16.64 7.42 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1030.47 1030.47 1715.30 1715.30 0.00 0.00 0.00 0.00 Average: ens3 74.00 54.35 471.18 13.36 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-36295) 07/16/26 _x86_64_ (4 CPU) 06:48:21 LINUX RESTART (4 CPU) 06:50:01 CPU %user %nice %system %iowait %steal %idle 07:00:02 all 57.18 0.00 2.37 0.15 0.10 40.20 07:00:02 0 60.03 0.00 2.43 0.16 0.10 37.28 07:00:02 1 54.92 0.00 2.27 0.26 0.10 42.46 07:00:02 2 56.80 0.00 2.37 0.08 0.11 40.64 07:00:02 3 56.99 0.00 2.41 0.09 0.10 40.42 07:10:06 all 64.69 0.00 2.28 0.06 0.12 32.85 07:10:06 0 65.68 0.00 2.11 0.04 0.12 32.05 07:10:06 1 65.20 0.00 2.68 0.13 0.12 31.87 07:10:06 2 63.37 0.00 2.17 0.04 0.12 34.29 07:10:06 3 64.52 0.00 2.15 0.04 0.12 33.18 07:20:01 all 36.92 0.00 1.47 0.06 0.09 61.46 07:20:01 0 39.00 0.00 1.18 0.02 0.09 59.71 07:20:01 1 35.15 0.00 1.80 0.07 0.09 62.89 07:20:01 2 37.53 0.00 1.48 0.07 0.09 60.82 07:20:01 3 36.00 0.00 1.44 0.07 0.09 62.40 Average: all 53.00 0.00 2.04 0.09 0.10 44.76 Average: 0 54.97 0.00 1.91 0.07 0.10 42.94 Average: 1 51.83 0.00 2.25 0.15 0.10 45.66 Average: 2 52.62 0.00 2.01 0.07 0.11 45.19 Average: 3 52.58 0.00 2.00 0.07 0.10 45.25