---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16057 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 65G 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 689 8355 4 6943 14956 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:f1:f5:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83936sec preferred_lft 83936sec inet6 fe80::f816:3eff:fef1:f55f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:10:dc:c2:47:db 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-16057) 05/17/26 _x86_64_ (4 CPU) 19:01:20 LINUX RESTART (4 CPU) 19:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:12 21.39 0.06 18.81 2.52 6.28 2195.10 5384.81 19:30:01 34.67 0.01 30.95 3.70 0.22 2644.29 13893.17 19:40:15 12.08 0.31 10.59 1.18 12.13 9207.53 3171.12 Average: 22.56 0.13 19.97 2.45 6.29 4730.78 7408.96 19:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:12 9479048 13099224 2858800 17.46 141036 3594352 2972644 17.06 710220 5789652 2952 19:30:01 8860352 13099532 2854960 17.44 161724 4158792 2893524 16.61 836600 6247860 187548 19:40:15 8593144 15343148 602160 3.68 182988 6566816 1118100 6.42 1755632 5469836 316 Average: 8977515 13847301 2105307 12.86 161916 4773320 2328089 13.36 1100817 5835783 63605 19:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:12 lo 1292.54 1292.54 1225.30 1225.30 0.00 0.00 0.00 0.00 19:20:12 ens3 46.47 38.49 47.72 12.84 0.00 0.00 0.00 0.00 19:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1620.66 1620.66 1544.44 1544.44 0.00 0.00 0.00 0.00 19:30:01 ens3 47.76 37.12 30.35 12.84 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 19:40:15 lo 2374.95 2374.95 9071.10 9071.10 0.00 0.00 0.00 0.00 19:40:15 ens3 54.80 59.18 134.05 573.44 0.00 0.00 0.00 0.00 19:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1768.44 1768.44 4002.43 4002.43 0.00 0.00 0.00 0.00 Average: ens3 49.73 45.09 71.46 203.82 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-16057) 05/17/26 _x86_64_ (4 CPU) 19:01:20 LINUX RESTART (4 CPU) 19:10:11 CPU %user %nice %system %iowait %steal %idle 19:20:12 all 67.43 0.00 2.33 0.07 0.13 30.05 19:20:12 0 67.64 0.00 2.58 0.05 0.13 29.60 19:20:12 1 67.10 0.00 2.16 0.11 0.13 30.50 19:20:12 2 67.38 0.00 2.52 0.09 0.13 29.88 19:20:12 3 67.59 0.00 2.06 0.02 0.13 30.20 19:30:01 all 65.55 0.00 2.76 0.08 0.13 31.48 19:30:01 0 65.36 0.00 2.76 0.09 0.13 31.67 19:30:01 1 64.96 0.00 3.19 0.08 0.13 31.64 19:30:01 2 65.66 0.00 2.20 0.08 0.13 31.94 19:30:01 3 66.23 0.00 2.87 0.09 0.13 30.68 19:40:15 all 37.42 0.00 1.33 0.35 0.09 60.82 19:40:15 0 38.83 0.00 1.44 0.65 0.08 58.99 19:40:15 1 43.33 0.00 1.23 0.08 0.09 55.27 19:40:15 2 30.89 0.00 1.31 0.36 0.09 67.35 19:40:15 3 36.64 0.00 1.32 0.32 0.08 61.64 Average: all 56.56 0.00 2.13 0.17 0.11 41.03 Average: 0 57.06 0.00 2.25 0.27 0.11 40.31 Average: 1 58.29 0.00 2.18 0.09 0.12 39.33 Average: 2 54.34 0.00 2.00 0.18 0.11 43.36 Average: 3 56.57 0.00 2.07 0.14 0.12 41.10