---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6632 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: 5600.00 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 659 8638 4 6691 14987 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:96:1f:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84022sec preferred_lft 84022sec inet6 fe80::f816:3eff:fe96:1f69/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:37:e4:68:78:80 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-6632) 04/22/26 _x86_64_ (4 CPU) 09:11:20 LINUX RESTART (4 CPU) 09:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:09 23.24 0.03 20.52 2.69 0.65 2159.73 9654.28 09:40:09 27.63 0.03 24.89 2.70 0.73 4229.15 17275.96 09:50:01 11.40 0.30 9.80 1.30 11.57 6867.28 3416.34 Average: 20.80 0.12 18.44 2.23 4.29 4408.02 10145.96 09:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:09 9196964 13038280 2917940 17.82 149440 3796380 3051036 17.51 756208 6010560 103832 09:40:09 7628732 12379728 3572132 21.82 169840 4645848 3436848 19.73 1031804 7246428 40 09:50:01 8909120 15400508 544948 3.33 185580 6313696 1022568 5.87 1686668 5221764 2572 Average: 8578272 13606172 2345007 14.32 168287 4918641 2503484 14.37 1158227 6159584 35481 09:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:09 lo 1315.72 1315.72 1247.73 1247.73 0.00 0.00 0.00 0.00 09:30:09 ens3 37.88 30.31 22.23 11.08 0.00 0.00 0.00 0.00 09:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:09 lo 1140.07 1140.07 1079.79 1079.79 0.00 0.00 0.00 0.00 09:40:09 ens3 48.82 38.04 52.97 17.91 0.00 0.00 0.00 0.00 09:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 2488.80 2488.80 9412.28 9412.28 0.00 0.00 0.00 0.00 09:50:01 ens3 94.95 102.08 152.63 1085.14 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1644.45 1644.45 3888.81 3888.81 0.00 0.00 0.00 0.00 Average: ens3 60.40 56.61 75.60 368.20 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-6632) 04/22/26 _x86_64_ (4 CPU) 09:11:20 LINUX RESTART (4 CPU) 09:20:09 CPU %user %nice %system %iowait %steal %idle 09:30:09 all 63.77 0.00 2.27 1.08 0.13 32.75 09:30:09 0 64.74 0.00 1.95 0.75 0.13 32.43 09:30:09 1 63.66 0.00 2.42 0.71 0.13 33.09 09:30:09 2 65.52 0.00 2.37 1.80 0.13 30.18 09:30:09 3 61.16 0.00 2.32 1.06 0.13 35.33 09:40:09 all 57.49 0.00 2.44 0.21 0.14 39.73 09:40:09 0 55.56 0.00 2.65 0.13 0.13 41.53 09:40:09 1 57.25 0.00 2.37 0.22 0.13 40.03 09:40:09 2 57.82 0.00 2.15 0.17 0.14 39.72 09:40:09 3 59.33 0.00 2.59 0.32 0.14 37.62 09:50:01 all 34.50 0.00 1.29 0.39 0.09 63.73 09:50:01 0 42.38 0.00 1.52 0.95 0.09 55.07 09:50:01 1 26.44 0.00 0.95 0.39 0.08 72.13 09:50:01 2 33.36 0.00 0.75 0.05 0.08 65.75 09:50:01 3 35.83 0.00 1.96 0.16 0.09 61.96 Average: all 51.99 0.00 2.00 0.56 0.12 45.33 Average: 0 54.27 0.00 2.04 0.61 0.12 42.96 Average: 1 49.20 0.00 1.91 0.44 0.12 48.33 Average: 2 52.31 0.00 1.76 0.68 0.12 45.13 Average: 3 52.17 0.00 2.29 0.52 0.12 44.91