---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31379 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 67G 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 726 9468 4 5794 14920 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:49:fe:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84179sec preferred_lft 84179sec inet6 fe80::f816:3eff:fe49:fe19/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:02:db:65:86: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-31379) 06/28/26 _x86_64_ (4 CPU) 15:47:31 LINUX RESTART (4 CPU) 15:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:12 46.54 3.54 27.74 15.26 182.54 6408.68 237829.05 16:10:01 33.10 0.05 29.52 3.53 1.36 3169.16 12733.58 16:20:16 24.34 0.30 21.44 2.60 11.94 5692.56 96518.37 Average: 34.65 1.31 26.18 7.16 65.91 5115.01 116886.48 15:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:12 9594060 13397940 2557288 15.62 156796 3734392 2725300 15.64 731968 5603504 12552 16:10:01 8949216 13302148 2648864 16.18 183400 4211520 2799500 16.07 883536 6041480 11084 16:20:16 9745380 15318172 626496 3.83 203852 5342552 1149272 6.60 959280 5104060 12940 Average: 9429552 14006087 1944216 11.87 181349 4429488 2224691 12.77 858261 5583015 12192 15:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:12 lo 528.45 528.45 503.08 503.08 0.00 0.00 0.00 0.00 16:00:12 ens3 126.49 96.22 991.89 19.18 0.00 0.00 0.00 0.00 16:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1615.05 1615.05 1539.29 1539.29 0.00 0.00 0.00 0.00 16:10:01 ens3 48.25 39.54 141.34 11.54 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:16 lo 11.60 11.60 1.17 1.17 0.00 0.00 0.00 0.00 16:20:16 ens3 75.99 72.51 118.21 222.67 0.00 0.00 0.00 0.00 16:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 705.59 705.59 668.94 668.94 0.00 0.00 0.00 0.00 Average: ens3 83.98 69.79 419.66 85.72 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-31379) 06/28/26 _x86_64_ (4 CPU) 15:47:31 LINUX RESTART (4 CPU) 15:50:02 CPU %user %nice %system %iowait %steal %idle 16:00:12 all 54.67 0.00 2.08 0.15 0.10 43.00 16:00:12 0 54.56 0.00 1.82 0.05 0.10 43.48 16:00:12 1 52.02 0.00 2.29 0.19 0.10 45.40 16:00:12 2 57.76 0.00 2.04 0.15 0.10 39.95 16:00:12 3 54.35 0.00 2.16 0.22 0.10 43.17 16:10:01 all 60.48 0.00 2.63 0.08 0.13 36.69 16:10:01 0 60.22 0.00 2.62 0.04 0.14 36.98 16:10:01 1 58.90 0.00 2.56 0.10 0.12 38.32 16:10:01 2 61.43 0.00 2.63 0.16 0.12 35.65 16:10:01 3 61.35 0.00 2.69 0.04 0.13 35.79 16:20:16 all 45.55 0.00 1.57 0.05 0.08 52.74 16:20:16 0 42.85 0.00 1.54 0.02 0.08 55.51 16:20:16 1 49.36 0.00 2.09 0.09 0.09 48.37 16:20:16 2 43.04 0.00 1.19 0.05 0.08 55.63 16:20:16 3 46.97 0.00 1.47 0.04 0.09 51.43 Average: all 53.45 0.00 2.08 0.10 0.10 44.27 Average: 0 52.41 0.00 1.98 0.04 0.10 45.47 Average: 1 53.34 0.00 2.31 0.13 0.10 44.12 Average: 2 53.95 0.00 1.94 0.12 0.10 43.89 Average: 3 54.11 0.00 2.10 0.10 0.10 43.59