---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22140 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 15% / 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 639 9280 4 6069 15007 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:75:39:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84513sec preferred_lft 84513sec inet6 fe80::f816:3eff:fe75:39e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:b1:be:17:00:91 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-22140) 06/01/26 _x86_64_ (4 CPU) 05:12:29 LINUX RESTART (4 CPU) 05:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:00 24.90 0.03 9.54 15.33 0.79 691.43 260553.61 05:40:01 38.83 0.18 34.22 4.43 5.76 8274.28 32874.21 Average: 31.87 0.10 21.88 9.88 3.27 4483.01 146709.17 05:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:00 9306564 12956880 3000376 18.33 131632 3632948 3211968 18.44 744192 5911304 1104 05:40:01 6472368 12427296 3518056 21.49 172520 5784348 3662236 21.02 1633028 7735380 93544 Average: 7889466 12692088 3259216 19.91 152076 4708648 3437102 19.73 1188610 6823342 47324 05:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:00 lo 56.35 56.35 13.99 13.99 0.00 0.00 0.00 0.00 05:30:00 ens3 6.32 5.50 7.69 1.64 0.00 0.00 0.00 0.00 05:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 2329.48 2329.48 2233.49 2233.49 0.00 0.00 0.00 0.00 05:40:01 ens3 75.34 57.44 467.90 14.74 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 Average: lo 1192.96 1192.96 1123.79 1123.79 0.00 0.00 0.00 0.00 Average: ens3 40.83 31.47 237.80 8.19 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-22140) 06/01/26 _x86_64_ (4 CPU) 05:12:29 LINUX RESTART (4 CPU) 05:20:00 CPU %user %nice %system %iowait %steal %idle 05:30:00 all 17.24 0.00 0.80 0.26 0.10 81.61 05:30:00 0 17.11 0.00 0.91 0.17 0.10 81.71 05:30:00 1 17.62 0.00 0.74 0.36 0.09 81.19 05:30:00 2 17.10 0.00 0.86 0.42 0.11 81.53 05:30:00 3 17.12 0.00 0.67 0.09 0.09 82.03 05:40:01 all 53.96 0.00 2.81 0.10 0.13 43.00 05:40:01 0 52.71 0.00 3.09 0.09 0.12 43.98 05:40:01 1 54.45 0.00 2.75 0.12 0.13 42.55 05:40:01 2 55.80 0.00 2.84 0.07 0.12 41.18 05:40:01 3 52.87 0.00 2.57 0.14 0.13 44.29 Average: all 35.60 0.00 1.80 0.18 0.11 62.31 Average: 0 34.92 0.00 2.00 0.13 0.11 62.84 Average: 1 36.03 0.00 1.74 0.24 0.11 61.88 Average: 2 36.45 0.00 1.85 0.24 0.12 61.35 Average: 3 35.01 0.00 1.62 0.11 0.11 63.15