---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-54445 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 12G 144G 8% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 888 25033 4 6170 30736 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:9e:ea:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84261sec preferred_lft 84261sec inet6 fe80::f816:3eff:fe9e:ea65/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:9c:f7:cc:e2:78 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-54445) 03/31/26 _x86_64_ (8 CPU) 08:03:51 LINUX RESTART (8 CPU) 08:10:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:38 26.14 0.16 22.73 3.24 5.85 2744.74 6027.84 08:30:33 48.08 0.01 28.99 19.09 0.24 2891.08 530466.25 Average: 36.96 0.09 25.82 11.06 3.08 2816.90 264625.30 08:10:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:38 25867900 29297660 3012768 9.17 162808 3498380 3245816 9.57 702820 5857588 38016 08:30:33 25482948 29451680 2854232 8.69 201056 3950472 2841404 8.38 847344 6032336 46584 Average: 25675424 29374670 2933500 8.93 181932 3724426 3043610 8.98 775082 5944962 42300 08:10:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:38 lo 1308.18 1308.18 1245.25 1245.25 0.00 0.00 0.00 0.00 08:20:38 ens3 28.03 20.89 13.08 7.59 0.00 0.00 0.00 0.00 08:20:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:33 lo 1969.25 1969.25 1876.22 1876.22 0.00 0.00 0.00 0.00 08:30:33 ens3 21.59 17.12 6.77 6.13 0.00 0.00 0.00 0.00 08:30:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1634.15 1634.15 1556.38 1556.38 0.00 0.00 0.00 0.00 Average: ens3 24.85 19.03 9.97 6.87 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-54445) 03/31/26 _x86_64_ (8 CPU) 08:03:51 LINUX RESTART (8 CPU) 08:10:27 CPU %user %nice %system %iowait %steal %idle 08:20:38 all 40.50 0.00 1.70 0.06 0.08 57.66 08:20:38 0 38.42 0.00 1.48 0.06 0.08 59.97 08:20:38 1 41.41 0.00 1.71 0.05 0.08 56.76 08:20:38 2 37.89 0.00 1.75 0.11 0.07 60.17 08:20:38 3 41.45 0.00 1.56 0.03 0.08 56.88 08:20:38 4 42.48 0.00 1.79 0.07 0.08 55.59 08:20:38 5 40.94 0.00 2.00 0.04 0.09 56.94 08:20:38 6 40.21 0.00 1.40 0.03 0.08 58.29 08:20:38 7 41.22 0.00 1.95 0.11 0.08 56.65 08:30:33 all 38.07 0.00 1.86 0.08 0.07 59.92 08:30:33 0 35.41 0.00 1.84 0.07 0.07 62.61 08:30:33 1 39.76 0.00 2.23 0.06 0.07 57.89 08:30:33 2 40.24 0.00 1.63 0.16 0.08 57.88 08:30:33 3 41.40 0.00 1.96 0.03 0.07 56.53 08:30:33 4 37.41 0.00 1.98 0.03 0.07 60.51 08:30:33 5 38.15 0.00 1.93 0.05 0.07 59.80 08:30:33 6 35.52 0.00 1.61 0.16 0.07 62.65 08:30:33 7 36.67 0.00 1.66 0.11 0.07 61.48 Average: all 39.30 0.00 1.78 0.07 0.08 58.77 Average: 0 36.94 0.00 1.65 0.06 0.08 61.27 Average: 1 40.60 0.00 1.97 0.05 0.07 57.32 Average: 2 39.05 0.00 1.69 0.14 0.07 59.04 Average: 3 41.43 0.00 1.76 0.03 0.08 56.71 Average: 4 39.98 0.00 1.88 0.05 0.07 58.01 Average: 5 39.57 0.00 1.96 0.04 0.08 58.35 Average: 6 37.89 0.00 1.50 0.10 0.07 60.44 Average: 7 38.97 0.00 1.81 0.11 0.08 59.03