---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-26400 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 18G 61G 23% / 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 725 10025 4 5237 14921 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:d0:ac:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82850sec preferred_lft 82850sec inet6 fe80::f816:3eff:fed0:acb9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:ad:7c:f5:93:7b 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 inet6 fe80::c4ad:7cff:fef5:937b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-26400) 06/10/26 _x86_64_ (4 CPU) 07:01:30 LINUX RESTART (4 CPU) 07:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:00 74.47 21.16 35.67 17.65 250.96 4998.66 217988.40 07:30:00 9.13 1.47 7.26 0.40 14.85 220.12 1084.52 07:40:00 7.31 0.04 6.91 0.36 0.79 220.39 1623.33 07:50:00 13.39 0.17 12.62 0.61 7.33 848.92 819.73 08:00:00 8.55 1.66 6.42 0.48 65.95 574.76 289.28 Average: 22.30 4.81 13.66 3.83 67.01 1353.48 43446.88 07:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:00 4403468 8957636 6969148 42.56 268360 4176720 7803784 44.79 1979396 9317156 100 07:30:00 5523284 10092364 5837636 35.65 269784 4190224 6851292 39.33 2031392 8143900 96 07:40:00 5022776 9607828 6321320 38.61 271004 4205020 7070048 40.58 2037600 8621304 288 07:50:00 6569340 11348112 4581560 27.98 278208 4385152 5269372 30.25 2071924 7068248 224 08:00:00 10392144 15357316 574248 3.51 280148 4564768 1226736 7.04 2114760 3189160 30296 Average: 6382202 11072651 4856782 29.66 273501 4304377 5644246 32.40 2047014 7267954 6201 07:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:00 lo 11.61 11.61 10.67 10.67 0.00 0.00 0.00 0.00 07:20:00 ens3 1.28 1.14 0.47 0.43 0.00 0.00 0.00 0.00 07:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:00 lo 11.16 11.16 5.73 5.73 0.00 0.00 0.00 0.00 07:30:00 ens3 0.73 0.47 0.13 0.10 0.00 0.00 0.00 0.00 07:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:00 lo 10.80 10.80 7.03 7.03 0.00 0.00 0.00 0.00 07:40:00 ens3 0.72 0.60 0.16 0.12 0.00 0.00 0.00 0.00 07:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:00 lo 17.28 17.28 9.38 9.38 0.00 0.00 0.00 0.00 07:50:00 ens3 1.53 2.00 0.34 1.34 0.00 0.00 0.00 0.00 07:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:00 lo 32.97 32.97 12.83 12.83 0.00 0.00 0.00 0.00 08:00:00 ens3 2.16 1.74 1.14 0.68 0.00 0.00 0.00 0.00 08:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 16.79 16.79 9.12 9.12 0.00 0.00 0.00 0.00 Average: ens3 1.28 1.19 0.45 0.53 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-16g-26400) 06/10/26 _x86_64_ (4 CPU) 07:01:30 LINUX RESTART (4 CPU) 07:10:16 CPU %user %nice %system %iowait %steal %idle 07:20:00 all 28.41 0.00 1.14 0.85 0.08 69.52 07:20:00 0 28.35 0.00 1.08 1.53 0.08 68.97 07:20:00 1 28.41 0.00 1.24 0.66 0.08 69.61 07:20:00 2 28.96 0.00 1.07 0.66 0.08 69.24 07:20:00 3 27.93 0.00 1.18 0.55 0.08 70.25 07:30:00 all 16.08 0.00 0.57 0.21 0.06 83.07 07:30:00 0 16.20 0.00 0.49 0.13 0.06 83.12 07:30:00 1 16.47 0.00 0.56 0.04 0.07 82.87 07:30:00 2 16.05 0.00 0.68 0.27 0.07 82.92 07:30:00 3 15.61 0.00 0.53 0.42 0.06 83.38 07:40:00 all 17.41 0.00 0.66 0.28 0.10 81.54 07:40:00 0 17.20 0.00 0.54 0.10 0.07 82.09 07:40:00 1 17.88 0.00 0.70 0.67 0.08 80.68 07:40:00 2 17.33 0.00 0.76 0.30 0.20 81.41 07:40:00 3 17.23 0.00 0.65 0.06 0.07 82.00 07:50:00 all 19.63 0.00 0.80 0.20 0.08 79.29 07:50:00 0 19.88 0.00 0.76 0.21 0.08 79.07 07:50:00 1 19.71 0.00 0.97 0.41 0.08 78.83 07:50:00 2 19.31 0.00 0.73 0.13 0.07 79.75 07:50:00 3 19.63 0.00 0.74 0.05 0.08 79.51 08:00:00 all 11.16 0.00 0.63 0.10 0.07 88.04 08:00:00 0 12.07 0.00 0.61 0.18 0.06 87.08 08:00:00 1 11.11 0.00 0.72 0.04 0.07 88.06 08:00:00 2 10.50 0.00 0.65 0.13 0.07 88.65 08:00:00 3 10.95 0.00 0.55 0.06 0.07 88.37 Average: all 18.48 0.00 0.76 0.33 0.08 80.36 Average: 0 18.68 0.00 0.69 0.42 0.07 80.13 Average: 1 18.66 0.00 0.84 0.36 0.07 80.07 Average: 2 18.37 0.00 0.78 0.30 0.10 80.46 Average: 3 18.21 0.00 0.73 0.23 0.07 80.76