---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46563 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 17% / 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 667 8084 4 7237 14978 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:4b:41:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83819sec preferred_lft 83819sec inet6 fe80::f816:3eff:fe4b:4193/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:7a:a3:2c:dc:9d 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46563) 09/01/26 _x86_64_ (4 CPU) 07:57:17 LINUX RESTART (4 CPU) 08:00:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:02 26.55 3.18 21.03 2.34 173.23 4091.57 3260.58 08:20:02 26.51 0.02 23.45 3.04 0.44 2207.69 6876.95 08:30:02 21.40 0.03 19.43 1.94 0.65 3723.19 6748.84 08:40:02 13.15 0.19 11.16 1.80 13.60 7556.34 3402.65 Average: 21.84 0.82 18.74 2.28 45.19 4399.03 5098.00 08:00:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:02 9731436 13367320 2590360 15.82 143108 3614756 2854868 16.39 672496 5587408 29696 08:20:02 9236856 13276136 2677872 16.36 162160 3965500 3177672 18.24 791608 5918372 23672 08:30:02 6811524 11764076 4186448 25.57 177004 4826056 4370668 25.09 1050964 8043868 2068 08:40:02 8373600 15427872 514604 3.14 195320 6842364 1058068 6.07 1835400 5607432 10652 Average: 8538354 13458851 2492321 15.22 169398 4812169 2865319 16.45 1087617 6289270 16522 08:00:36 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:02 lo 1013.02 1013.02 963.91 963.91 0.00 0.00 0.00 0.00 08:10:02 ens3 122.31 97.90 1230.27 19.84 0.00 0.00 0.00 0.00 08:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:02 lo 1480.33 1480.33 1405.89 1405.89 0.00 0.00 0.00 0.00 08:20:02 ens3 29.52 24.07 18.84 10.67 0.00 0.00 0.00 0.00 08:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:02 lo 707.63 707.63 665.18 665.18 0.00 0.00 0.00 0.00 08:30:02 ens3 24.06 19.48 21.63 8.56 0.00 0.00 0.00 0.00 08:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:02 lo 2568.33 2568.33 9291.08 9291.08 0.00 0.00 0.00 0.00 08:40:02 ens3 97.28 106.27 154.71 1271.79 0.00 0.00 0.00 0.00 08:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1448.44 1448.44 3111.65 3111.65 0.00 0.00 0.00 0.00 Average: ens3 67.52 61.42 343.94 332.10 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46563) 09/01/26 _x86_64_ (4 CPU) 07:57:17 LINUX RESTART (4 CPU) 08:00:36 CPU %user %nice %system %iowait %steal %idle 08:10:02 all 44.41 0.00 2.21 0.15 0.04 53.20 08:10:02 0 42.17 0.00 1.97 0.19 0.03 55.64 08:10:02 1 45.21 0.00 2.47 0.16 0.04 52.13 08:10:02 2 44.98 0.00 2.26 0.08 0.04 52.64 08:10:02 3 45.27 0.00 2.13 0.15 0.03 52.41 08:20:02 all 65.00 0.00 2.65 0.10 0.04 32.21 08:20:02 0 64.66 0.00 2.64 0.07 0.04 32.59 08:20:02 1 65.30 0.00 2.81 0.12 0.05 31.72 08:20:02 2 64.65 0.00 2.22 0.11 0.04 32.99 08:20:02 3 65.39 0.00 2.94 0.10 0.04 31.54 08:30:02 all 38.70 0.00 1.83 0.11 0.02 59.34 08:30:02 0 39.44 0.00 1.86 0.06 0.02 58.62 08:30:02 1 38.04 0.00 1.91 0.26 0.02 59.77 08:30:02 2 39.64 0.00 1.72 0.06 0.03 58.56 08:30:02 3 37.68 0.00 1.83 0.08 0.02 60.40 08:40:02 all 33.55 0.00 1.56 0.16 0.02 64.70 08:40:02 0 23.98 0.00 1.59 0.42 0.01 74.00 08:40:02 1 32.81 0.00 1.47 0.04 0.02 65.66 08:40:02 2 47.59 0.00 1.55 0.12 0.04 50.70 08:40:02 3 29.89 0.00 1.61 0.08 0.02 68.40 Average: all 45.42 0.00 2.06 0.13 0.03 52.36 Average: 0 42.54 0.00 2.02 0.19 0.02 55.24 Average: 1 45.34 0.00 2.16 0.14 0.03 52.33 Average: 2 49.27 0.00 1.93 0.09 0.04 48.67 Average: 3 44.54 0.00 2.13 0.10 0.03 53.20