---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-9755 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 60G 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 691 10957 4 4339 14954 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:00:d6:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79574sec preferred_lft 79574sec inet6 fe80::f816:3eff:fe00:d654/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:f3:22:c1:c5:7e 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-9755) 02/12/26 _x86_64_ (4 CPU) 12:52:13 LINUX RESTART (4 CPU) 13:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:06 60.00 3.39 53.44 3.17 137.17 8884.79 3275.40 13:20:07 65.16 22.70 25.54 16.91 285.64 1665.94 213735.20 13:30:01 8.26 0.21 7.67 0.39 10.04 256.14 1101.61 13:40:08 11.03 0.01 10.49 0.52 0.40 554.77 942.32 13:50:09 14.05 0.02 13.44 0.58 1.42 407.58 433.84 14:00:01 8.02 0.01 7.66 0.35 0.39 221.73 254.46 14:10:21 7.84 0.01 7.45 0.38 1.17 238.98 158.46 14:20:09 5.36 0.01 5.18 0.17 0.34 155.45 93.20 14:30:01 5.08 0.00 4.92 0.16 0.14 153.73 54.07 14:40:22 9.49 0.16 8.95 0.38 6.28 539.23 84.80 Average: 19.46 2.65 14.50 2.30 44.33 1312.42 21989.19 13:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:06 2706448 5518480 10415560 63.61 252724 2566780 11753048 67.46 1926316 11178032 2240 13:20:07 2681000 5874240 10061160 61.45 265220 2935336 11717452 67.26 2137916 10999400 612 13:30:01 5899560 9115024 6823164 41.67 266288 2956540 7890200 45.29 2145284 7789780 240 13:40:08 8183648 11509880 4429256 27.05 270996 3058220 5216096 29.94 2192904 5457888 88 13:50:09 9560236 12941644 2998280 18.31 272908 3111380 3652616 20.97 2198792 4085032 140 14:00:01 7929580 11337996 4600760 28.10 273732 3137544 5323972 30.56 2200520 5702032 264 14:10:21 7071876 10514704 5423836 33.13 274604 3171084 6426108 36.89 2203400 6556116 308 14:20:09 6554248 10018176 5919812 36.16 275360 3191428 6664076 38.25 2206760 7060432 248 14:30:01 7963248 11449568 4489388 27.42 276308 3212788 5248612 30.13 2209052 5659304 324 14:40:22 7704736 11319396 4619276 28.21 280220 3330708 5204704 29.87 2225192 5881852 656 Average: 6625458 9959911 5978049 36.51 270836 3067181 6909688 39.66 2164614 7036987 512 13:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:06 lo 17.75 17.75 14.49 14.49 0.00 0.00 0.00 0.00 13:10:06 ens3 1.75 1.55 0.50 0.42 0.00 0.00 0.00 0.00 13:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:07 lo 47.76 47.76 21.31 21.31 0.00 0.00 0.00 0.00 13:20:07 ens3 1.81 1.76 0.41 0.36 0.00 0.00 0.00 0.00 13:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 14.62 14.62 7.72 7.72 0.00 0.00 0.00 0.00 13:30:01 ens3 0.75 0.49 0.13 0.09 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:08 lo 12.91 12.91 5.95 5.95 0.00 0.00 0.00 0.00 13:40:08 ens3 1.09 0.82 0.31 1.21 0.00 0.00 0.00 0.00 13:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:09 lo 8.83 8.83 5.33 5.33 0.00 0.00 0.00 0.00 13:50:09 ens3 0.83 0.56 0.23 0.17 0.00 0.00 0.00 0.00 13:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 19.48 19.48 9.26 9.26 0.00 0.00 0.00 0.00 14:00:01 ens3 0.88 0.65 0.21 0.16 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:21 lo 27.36 27.36 10.01 10.01 0.00 0.00 0.00 0.00 14:10:21 ens3 1.00 0.53 0.28 0.20 0.00 0.00 0.00 0.00 14:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:09 lo 22.00 22.00 11.80 11.80 0.00 0.00 0.00 0.00 14:20:09 ens3 0.73 0.67 0.14 0.12 0.00 0.00 0.00 0.00 14:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 15.53 15.53 9.05 9.05 0.00 0.00 0.00 0.00 14:30:01 ens3 0.78 0.52 0.18 0.12 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:22 lo 23.52 23.52 10.93 10.93 0.00 0.00 0.00 0.00 14:40:22 ens3 1.14 0.92 0.34 0.27 0.00 0.00 0.00 0.00 14:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.01 21.01 10.59 10.59 0.00 0.00 0.00 0.00 Average: ens3 1.08 0.85 0.27 0.31 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-9755) 02/12/26 _x86_64_ (4 CPU) 12:52:13 LINUX RESTART (4 CPU) 13:00:01 CPU %user %nice %system %iowait %steal %idle 13:10:06 all 47.08 0.00 1.90 0.16 0.12 50.74 13:10:06 0 47.66 0.00 1.78 0.06 0.12 50.38 13:10:06 1 46.67 0.00 1.94 0.22 0.12 51.06 13:10:06 2 47.61 0.00 1.86 0.23 0.12 50.18 13:10:06 3 46.39 0.00 2.01 0.13 0.12 51.36 13:20:07 all 46.70 0.00 1.78 0.14 0.12 51.26 13:20:07 0 47.00 0.00 1.67 0.08 0.12 51.13 13:20:07 1 46.43 0.00 1.84 0.22 0.12 51.39 13:20:07 2 46.63 0.00 1.84 0.14 0.12 51.27 13:20:07 3 46.75 0.00 1.78 0.12 0.12 51.24 13:30:01 all 16.25 0.00 0.73 0.03 0.08 82.91 13:30:01 0 16.99 0.00 0.66 0.02 0.08 82.25 13:30:01 1 16.72 0.00 0.76 0.01 0.08 82.43 13:30:01 2 16.38 0.00 0.81 0.06 0.08 82.66 13:30:01 3 14.93 0.00 0.68 0.03 0.08 84.28 13:40:08 all 16.46 0.00 0.65 0.05 0.08 82.76 13:40:08 0 16.17 0.00 0.68 0.12 0.08 82.96 13:40:08 1 16.43 0.00 0.59 0.01 0.08 82.89 13:40:08 2 16.25 0.00 0.65 0.03 0.08 82.99 13:40:08 3 17.00 0.00 0.68 0.04 0.09 82.19 13:50:09 all 18.86 0.00 0.64 0.07 0.08 80.35 13:50:09 0 19.12 0.00 0.69 0.04 0.08 80.07 13:50:09 1 18.56 0.00 0.62 0.11 0.09 80.64 13:50:09 2 18.52 0.00 0.66 0.03 0.08 80.71 13:50:09 3 19.24 0.00 0.59 0.09 0.08 79.99 14:00:01 all 14.13 0.00 0.55 0.03 0.07 85.22 14:00:01 0 14.50 0.00 0.51 0.02 0.07 84.91 14:00:01 1 13.23 0.00 0.54 0.02 0.07 86.15 14:00:01 2 14.35 0.00 0.50 0.05 0.08 85.01 14:00:01 3 14.47 0.00 0.63 0.02 0.07 84.81 14:10:21 all 13.46 0.00 0.53 0.02 0.08 85.90 14:10:21 0 13.32 0.00 0.49 0.04 0.08 86.07 14:10:21 1 13.50 0.00 0.59 0.02 0.08 85.81 14:10:21 2 13.22 0.00 0.56 0.02 0.08 86.13 14:10:21 3 13.82 0.00 0.50 0.03 0.08 85.58 14:20:09 all 11.74 0.00 0.47 0.02 0.09 87.69 14:20:09 0 12.02 0.00 0.52 0.03 0.08 87.35 14:20:09 1 11.36 0.00 0.42 0.01 0.09 88.13 14:20:09 2 11.76 0.00 0.43 0.01 0.09 87.72 14:20:09 3 11.82 0.00 0.49 0.04 0.09 87.57 14:30:01 all 7.95 0.00 0.44 0.02 0.08 91.52 14:30:01 0 7.70 0.00 0.46 0.01 0.07 91.76 14:30:01 1 8.26 0.00 0.43 0.01 0.08 91.22 14:30:01 2 7.99 0.00 0.43 0.03 0.08 91.47 14:30:01 3 7.85 0.00 0.43 0.03 0.08 91.61 14:40:22 all 14.16 0.00 0.68 0.04 0.08 85.04 14:40:22 0 13.69 0.00 0.61 0.02 0.08 85.61 14:40:22 1 14.10 0.00 0.61 0.03 0.09 85.17 14:40:22 2 15.33 0.00 0.80 0.02 0.08 83.77 14:40:22 3 13.51 0.00 0.70 0.08 0.08 85.63 Average: all 20.69 0.00 0.84 0.06 0.09 78.33 Average: 0 20.82 0.00 0.81 0.04 0.08 78.25 Average: 1 20.53 0.00 0.83 0.07 0.09 78.48 Average: 2 20.82 0.00 0.86 0.06 0.09 78.18 Average: 3 20.59 0.00 0.85 0.06 0.09 78.42