---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-23776 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 709 10641 3 4638 14937 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:26:81:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79839sec preferred_lft 79839sec inet6 fe80::f816:3eff:fe26:81f9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:8e:44:b1:c5:38 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-23776) 02/27/26 _x86_64_ (4 CPU) 10:14:28 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:04 82.85 23.82 55.66 3.37 322.88 7070.24 5586.93 10:40:18 15.90 0.12 14.91 0.87 4.39 383.71 423.86 10:50:06 8.46 0.12 7.93 0.41 5.95 264.66 180.70 11:00:18 20.85 0.06 19.84 0.95 2.70 898.49 781.37 11:10:01 8.92 0.00 8.53 0.38 0.37 239.27 140.55 11:20:19 5.11 0.01 4.93 0.18 0.26 140.86 56.58 11:30:18 5.38 0.01 5.20 0.17 1.27 149.38 97.92 11:40:01 5.14 0.00 4.93 0.20 0.33 156.62 66.96 11:50:26 24.39 0.10 9.07 15.22 1.61 532.12 202512.14 12:00:18 7.30 0.03 6.93 0.34 1.16 282.48 112.88 Average: 18.54 2.43 13.84 2.27 34.14 1015.20 21773.82 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:04 5093560 8569908 7364792 44.98 258504 3188248 9000400 51.66 1966384 8733368 2508 10:40:18 3651804 7151128 8782860 53.64 261164 3208680 9547752 54.80 2005124 10106500 188 10:50:06 6060392 9585688 6348176 38.77 262292 3233548 6993504 40.14 2012540 7720052 704 11:00:18 10120456 13805188 2133796 13.03 268432 3386760 2974860 17.08 2041408 3649880 724 11:10:01 7645024 11357420 4580072 27.97 269952 3412948 5227048 30.00 2043940 6117036 432 11:20:19 7579900 11310624 4626716 28.26 270400 3430804 5229836 30.02 2045036 6180044 108 11:30:18 6100768 9850328 6086260 37.17 271000 3449036 6803076 39.05 2047480 7649840 500 11:40:01 6080268 9850560 6086036 37.17 271640 3469112 6763900 38.82 2050996 7666476 84 11:50:26 7419220 11317004 4620312 28.22 277616 3587168 5356292 30.75 2065280 6312392 188 12:00:18 6714144 10660848 5276012 32.22 278628 3634856 5968260 34.26 2084948 6996376 372 Average: 6646554 10345870 5590503 34.14 268963 3400116 6386493 36.66 2036314 7113196 581 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:04 lo 22.00 22.00 17.44 17.44 0.00 0.00 0.00 0.00 10:30:04 ens3 2.02 1.82 0.64 0.55 0.00 0.00 0.00 0.00 10:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:18 lo 40.66 40.66 18.11 18.11 0.00 0.00 0.00 0.00 10:40:18 ens3 1.97 1.41 0.46 0.35 0.00 0.00 0.00 0.00 10:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:06 lo 25.09 25.09 11.09 11.09 0.00 0.00 0.00 0.00 10:50:06 ens3 1.13 0.95 0.23 1.30 0.00 0.00 0.00 0.00 10:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:18 lo 12.28 12.28 6.25 6.25 0.00 0.00 0.00 0.00 11:00:18 ens3 1.13 0.91 0.28 0.22 0.00 0.00 0.00 0.00 11:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 20.24 20.24 10.65 10.65 0.00 0.00 0.00 0.00 11:10:01 ens3 1.13 0.72 0.33 0.24 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:19 lo 25.94 25.94 9.32 9.32 0.00 0.00 0.00 0.00 11:20:19 ens3 0.59 0.41 0.15 0.10 0.00 0.00 0.00 0.00 11:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:18 lo 16.21 16.21 8.07 8.07 0.00 0.00 0.00 0.00 11:30:18 ens3 0.92 0.55 0.25 0.18 0.00 0.00 0.00 0.00 11:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 16.56 16.56 9.90 9.90 0.00 0.00 0.00 0.00 11:40:01 ens3 0.87 0.58 0.23 0.16 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:26 lo 12.39 12.39 7.33 7.33 0.00 0.00 0.00 0.00 11:50:26 ens3 0.79 0.61 0.24 0.18 0.00 0.00 0.00 0.00 11:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:18 lo 23.78 23.78 10.16 10.16 0.00 0.00 0.00 0.00 12:00:18 ens3 1.24 0.79 0.35 0.26 0.00 0.00 0.00 0.00 12:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.52 21.52 10.83 10.83 0.00 0.00 0.00 0.00 Average: ens3 1.18 0.87 0.32 0.35 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-23776) 02/27/26 _x86_64_ (4 CPU) 10:14:28 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:04 all 57.19 0.00 2.11 0.13 0.09 40.48 10:30:04 0 58.34 0.00 2.18 0.11 0.09 39.29 10:30:04 1 56.12 0.00 2.22 0.10 0.09 41.48 10:30:04 2 56.97 0.00 2.17 0.12 0.09 40.65 10:30:04 3 57.33 0.00 1.86 0.21 0.09 40.51 10:40:18 all 34.89 0.00 1.36 0.04 0.10 63.61 10:40:18 0 35.02 0.00 1.20 0.04 0.10 63.64 10:40:18 1 34.23 0.00 1.31 0.03 0.09 64.33 10:40:18 2 35.16 0.00 1.49 0.04 0.09 63.21 10:40:18 3 35.15 0.00 1.44 0.05 0.10 63.26 10:50:06 all 18.29 0.00 1.00 0.02 0.08 80.61 10:50:06 0 18.05 0.00 1.00 0.03 0.08 80.84 10:50:06 1 18.84 0.00 1.13 0.01 0.08 79.94 10:50:06 2 18.65 0.00 1.02 0.03 0.08 80.21 10:50:06 3 17.62 0.00 0.83 0.02 0.08 81.45 11:00:18 all 30.55 0.00 0.98 0.06 0.09 68.32 11:00:18 0 30.65 0.00 0.92 0.06 0.08 68.29 11:00:18 1 30.29 0.00 1.17 0.04 0.09 68.41 11:00:18 2 30.69 0.00 1.02 0.12 0.09 68.08 11:00:18 3 30.56 0.00 0.82 0.02 0.08 68.51 11:10:01 all 16.13 0.00 0.66 0.15 0.08 82.97 11:10:01 0 15.87 0.00 0.66 0.54 0.08 82.85 11:10:01 1 15.86 0.00 0.65 0.03 0.08 83.39 11:10:01 2 16.19 0.00 0.68 0.04 0.09 83.01 11:10:01 3 16.63 0.00 0.67 0.00 0.08 82.62 11:20:19 all 9.09 0.00 0.51 0.97 0.08 89.35 11:20:19 0 9.28 0.00 0.45 1.90 0.08 88.28 11:20:19 1 9.23 0.00 0.53 0.02 0.08 90.13 11:20:19 2 8.60 0.00 0.57 1.93 0.08 88.82 11:20:19 3 9.24 0.00 0.50 0.01 0.07 90.18 11:30:18 all 10.38 0.00 0.56 0.02 0.07 88.96 11:30:18 0 10.09 0.00 0.49 0.02 0.07 89.34 11:30:18 1 10.72 0.00 0.60 0.01 0.07 88.59 11:30:18 2 9.93 0.00 0.59 0.04 0.08 89.35 11:30:18 3 10.79 0.00 0.57 0.00 0.07 88.57 11:40:01 all 11.27 0.00 0.60 0.02 0.08 88.03 11:40:01 0 11.07 0.00 0.66 0.02 0.08 88.17 11:40:01 1 11.52 0.00 0.55 0.01 0.08 87.84 11:40:01 2 11.50 0.00 0.66 0.02 0.08 87.74 11:40:01 3 11.00 0.00 0.54 0.03 0.08 88.35 11:50:26 all 13.98 0.00 0.71 0.06 0.08 85.17 11:50:26 0 14.59 0.00 0.78 0.06 0.08 84.49 11:50:26 1 13.21 0.00 0.65 0.13 0.08 85.93 11:50:26 2 14.07 0.00 0.86 0.02 0.09 84.96 11:50:26 3 14.06 0.00 0.54 0.01 0.08 85.31 12:00:18 all 15.84 0.00 0.61 0.02 0.09 83.44 12:00:18 0 15.84 0.00 0.54 0.03 0.08 83.51 12:00:18 1 15.34 0.00 0.65 0.02 0.09 83.91 12:00:18 2 16.07 0.00 0.51 0.04 0.08 83.30 12:00:18 3 16.12 0.00 0.75 0.01 0.09 83.03 Average: all 21.81 0.00 0.91 0.15 0.08 77.05 Average: 0 21.93 0.00 0.89 0.28 0.08 76.81 Average: 1 21.57 0.00 0.95 0.04 0.08 77.36 Average: 2 21.82 0.00 0.96 0.24 0.09 76.89 Average: 3 21.90 0.00 0.85 0.04 0.08 77.13